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G. Robert Witmer

G. Robert Witmer, MD

Internal Medicine

Accepting New Patients
Online Booking
Need help scheduling? Call 856-536-1515

Highlights

Age Groups Seen

  • Adult 18-65
  • Older Adult 65+

Languages

  • English

Gender

Female

Affiliations

  • Cooper University Hospital

About G. Robert Witmer

Title

Primary Care Physician

Internal Medicine Physician

Awards and Honors

South Jersey Magazine, Top Physician - 2009

SJ Magazine, Top Doc - 2013, 2014

Top 25 top teacher rating, Thomas Jefferson Internal Medicine Residents - 2009, 2012, 2013

Community Ambulatory Attending Award, Thomas Jefferson Residency program - 2007, 2009, 2013, 2017

Practice Groups

Cooper Care Alliance

Appointments

Locations

Education and Training

Education

  • Residency: Thomas Jefferson University Hospital, Internal Medicine, 2003
  • Medical School: University of Rochester School of Medicine & Dentistry, 2000

Board Certifications

  • Internal Medicine: American Board of Internal Medicine, 2003

Insurance

Cooper University Health Care accepts the following health plans. For questions about co-payments, deductibles, and the specific procedures your plan covers, please contact your plan provider.
Search plans
  • Aetna Better Health Medicaid HMO
  • Aetna First Health (Coventry)
  • Aetna HMO/PPO/POS
  • Aetna Medicare
  • Aetna Quality Health
  • Aetna Whole Health
  • AmeriHealth HMO/PPO/POS
  • AmeriHealth Medicare
  • AmeriHealth Value Network
  • Braven Health Medicare
  • Cigna Evernorth Behavioral Health
  • Cigna HMO/PPO/POS
  • Cigna Medicare
  • Cigna One Health
  • Clover Health Medicare PPO
  • Fidelis Care Medicaid HMO
  • First MCO Group Health
  • Galaxy Health Network Group Health
  • Guardian
  • Horizon Blue Cross Blue Shield of New Jersey HMO/PPO
  • Horizon Blue Cross Blue Shield of New Jersey Omnia
  • Horizon Blue Cross Blue Shield of New Jersey State Benefit Plans
  • Horizon NJ Health Medicaid HMO
  • Horizon NJ Health NJ Family Kidcare
  • Humana Medicare Advantage Medicare HMO
  • Humana Medicare Advantage Medicare PPO
  • Humana Military Prime
  • Humana Military Standard
  • Humana Military TriCare
  • Independence Blue Cross IBC PPO
  • Independence Blue Cross Keystone Healthplan East
  • Independence Blue Cross Medicare
  • Independence Blue Cross Personal Choice
  • Jefferson Health Plans Medicare HMO
  • Jefferson Health Plans Medicare PPO
  • Longevity Health Plan Medicare PPO I-SNP
  • Magellan Behavioral Health
  • MagnaCare Group Health
  • Medicaid (NJ)
  • Medicare
  • MultiPlan PHCS
  • Prime Health Services Group Health
  • QualCare Emblem Health
  • QualCare HMO/PPO
  • Railroad Medicare
  • Three Rivers Contigo
  • Three Rivers Devon
  • United Behavioral Health Group Health
  • United Behavioral Health Medicaid
  • United Behavioral Health Medicare
  • United Behavioral Health Optum
  • United Healthcare AARP
  • United Healthcare Community Plan Medicaid HMO
  • United Healthcare Community Plan NJ Family Kidcare
  • United Healthcare Dual Complete D-SNP
  • United Healthcare Group Health
  • United Healthcare Medicaid
  • United Healthcare Medicare
  • United Healthcare Medicare Advantage
  • US Family Health Plan
  • VA Community Care Network
  • WellCare Medicare
  • Wellpoint Medicaid HMO
  • Wellpoint Medicare

Ratings & Reviews

4.9 out of 5

268 ratings, 113 reviews

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

Search reviews
  • Reviewed on 6/24/2025

    Quality medical care with reasonable wait time.

  • Reviewed on 6/21/2025

    Dr. Witmer is very thorough and reviews everything. He asks pertinent questions and allows the patient to voice their concerns and questions. And he actually listens to patients and discusses any difficulties.

  • Reviewed on 6/18/2025

    It is ALWAYS a pleasure coming to Dr. Witmer's office. The staff are always friendly, helpful and courteous. I don't mind waiting a little longer after my appointment time because I know Dr. Witmer cares about his patients and I will receive the same attention they did.

  • Reviewed on 6/17/2025

    Dr. Witmer is the best

  • Reviewed on 6/17/2025

    I appreciate the service I received because I was able to get an appointment in an emergency situation. Thank you.

  • Reviewed on 6/12/2025

    Dr Witmer is a caring, exceptional man who cares about his patients well being. I would highly recommend him to anyone.

  • Reviewed on 6/12/2025

    Each visit is always a good experience

  • Reviewed on 6/12/2025

    I am always impressed by the staff. Everyone is attentive and smiling. I get great care from Dr Witmer and I leave the office with a good feeling.

  • Reviewed on 6/10/2025

    Dr. Witmer is kind, caring, and warm. Everyone on the staff is as well. He is also very responsive on the portal. I get an answer from HIM, not a nurse, usually before the day is over.

  • Reviewed on 6/9/2025

    Dr Witmer is knowledgeable , caring and very thorough, always asks if I have any further questions, totally supportive and generally great!

  • Reviewed on 6/8/2025

    My visits are pleasant.The staff are very professional.They answer any questions I might have and make me feel comfortable.

  • Reviewed on 6/7/2025

    Dr Witmer is about as good as it gets.A good listener who try's to solve your problems.A lot of thought goes into his response after you ask a question to give the best possible solution to your problems.

  • Reviewed on 6/5/2025

    Everything was excellent.

  • Reviewed on 6/2/2025

    Extremely friendly staff and knowledgeable as well as the doctor. Whitmer is a very excellent doctor and knowledgeable and listens.

  • Reviewed on 5/30/2025

    I have had a lot of doctors in my life, and Dr. Witmer is the best. Extremely knowledgeable, empathetic and responsive all the time.

  • Reviewed on 5/30/2025

    My doctor is professional and caring. He always tries to help me and he seems very interested in trying to get me better.

  • Reviewed on 5/30/2025

    Seeing Dr. Witmer and the staff is always a positive experience

  • Reviewed on 5/30/2025

    Always feel everyone cares for your wellbeing.

  • Reviewed on 5/28/2025

    Dr. Witmer is always professional and very caring.He has helped me through many health concerns. I trust his opinions and diagnosis. He is an asset to Cooper Health care.

  • Reviewed on 5/24/2025

    My appointments with Dr Witmer are always very pleasant. He's an excellent doctor in every way! He is always helpful with any questions or concerns that I may have during each appointment.

  • Reviewed on 5/23/2025

    Dr. Witmer is very kind and has a pleasant personality. The staff has come a long way since this location has opened.

  • Reviewed on 5/23/2025

    Dr Witmer is great!

  • Reviewed on 5/23/2025

    Always courteous and friendly, Dr Witmer is very thorough explaining my health care

  • Reviewed on 5/23/2025

    I've been a patient of Dr. Witmer for many years. He has always traeted me with respect and compassion, like a true friend.

  • Reviewed on 5/23/2025

    I m a recently new patient and feel well provided for and supported by not only the doctor but all the staff that I dealt with

  • Reviewed on 5/21/2025

    Best doctors here. Thank you and grest staff

  • Reviewed on 5/20/2025

    Everyone was truly professional and made the office visit a positive experience.

  • Reviewed on 5/19/2025

    My Provider and his staff are excellent. Everyone is very curious and polite. My Provider is a very caring doctor, he always makes sure I understand everything we go over. He's a true professional.

  • Reviewed on 5/19/2025

    Dr. Whitmer is a fine physician, very knowledgeable and very personable. He sets an example for other physicians to follow!

  • Reviewed on 5/18/2025

    Dr Witmer is an incredible GP. I depend on him to sort out all the information

  • Reviewed on 5/17/2025

    Dr Witmer and staff are wonderful.

  • Reviewed on 5/16/2025

    We were patients of Dr Witmer for a few years prior to moving to North Carolina. When we decided to move back to South Jersey, I immediately contacted his office to make an appointment so that we can reacquaint ourselves with him. Yes, he is that good of a doctor. We live 26 miles from his office and are willing to travel to see him. Our experience at this appointment did not disappoint! He was the same caring person as he was in 2018!

  • Reviewed on 5/16/2025

    He's great

  • Reviewed on 5/14/2025

    Productive

  • Reviewed on 5/12/2025

    Dr. Witmer is wonderful and always takes the time during the appointment to explain things clearly and always professional. The staff is welcoming and a pleasure as well.

  • Reviewed on 5/12/2025

    Me and my wife have been seen by doctor Witmer probably for the past 20 years and he's a great doctor.

  • Reviewed on 5/11/2025

    Everyone at Copper is always friendly and courteous. Real nice people.

  • Reviewed on 5/7/2025

    Dr Witmer is fantastic - I am very lucky to have him as my PCP! !

  • Reviewed on 5/2/2025

    Grrat

  • Reviewed on 5/2/2025

    Great!

  • Reviewed on 4/30/2025

    As a senior, it is with considerable experience that I commend Dr. Witmer as one of the finest physicians and certainly the most caring doctor who I have ever seen.

  • Reviewed on 4/29/2025

    Dr Witmer is professional and very knowledgeable. He is eager to explain new actions I can do as well as continuing the healthy things I do.

  • Reviewed on 4/22/2025

    Happy with service.

  • Reviewed on 4/19/2025

    Dr. Witmer is the best. So very knowledgeable and caring. He explains carefully so that the patient understands.

  • Reviewed on 4/15/2025

    I have total trust in dr witmer

  • Reviewed on 4/14/2025

    It's always a pleasure to see Dr.Witmer.

  • Reviewed on 4/12/2025

    Dr. Witmer is always courteous and attentive.

  • Reviewed on 4/12/2025

    Everyone was great. Dr wittmer especially

  • Reviewed on 4/11/2025

    Dr. Witmer is the best!

  • Reviewed on 4/10/2025

    Dr Witmer is the best doctor. Easy to talk to and he listens and follows up.

  • Reviewed on 4/10/2025

    perfect patient experience.

  • Reviewed on 4/10/2025

    Dr Witmer is a great manager of our healthcare and the staff is excellent along with being pleasant! Thank you

  • Reviewed on 4/9/2025

    It's always a good experience dealing with Dr. Witmer and his staff.

  • Reviewed on 4/9/2025

    Dr. Witmer is a very caring and knowledgeable doctor. The office staff is very pleasant.

  • Reviewed on 4/8/2025

    Provider is kind and respectful.

  • Reviewed on 4/8/2025

    Dr Witmer is simply the best! Wonderfully kind, warm and compassionate, very friendly and easy to talk to. I recommend him to everybody.

  • Reviewed on 4/7/2025

    Everyone that we dealt with in that office was respectful, professional, and friendly. We love Dr. Whitmer. He's wonderful. He listens and provides common sense treatment and care to everyone in our family.

  • Reviewed on 4/5/2025

    Dr Witmer is the best doctor I've ever been to nothing but phrase for him

  • Reviewed on 4/5/2025

    I waited a while for Dr. Whitmer to see him but I don't mind because he takes the time with me and he is very thorough and he's probably the best doctor I've seen in a long, long time.

  • Reviewed on 4/5/2025

    Dr.Winter has always showed compassion he listens to my issues he takes his time explaining things I never feel rushed with him. He's an excellent Doctor

  • Reviewed on 4/3/2025

    Dr Witmer and the entire staff were a pleasure to deal with. They are polite and courteous. Going to this office is always a pleasure! I trust Dr Witmer with my care 110% and followed him to Cooper from <Name.. I'm pretty sure he is the reason I'm still alive!! Sincerely.

  • Reviewed on 3/31/2025

    Dr. Witmer is wonderful and always puts me at ease.

  • Reviewed on 3/29/2025

    Yes, Dr. Whitmer is an excellent provider. He's very caring, very professional, and very helpful in all circumstances, and you feel very comfortable with him personally.

  • Reviewed on 3/28/2025

    I always recommend Dr. Witmer to my friends.

  • Reviewed on 3/27/2025

    Dr. Rob is always knowledgeable and compassionate.

  • Reviewed on 3/26/2025

    Dr. Witmer is an outstanding physician and provider in every possible way. He is always able to properly diagnose and treat any medical problems that I present successfully.

  • Reviewed on 3/24/2025

    Dr witmer & the whole staff are considerate, kind, helpful.

  • Reviewed on 3/22/2025

    Dr Witmer is incredible as well as his staff

  • Reviewed on 3/21/2025

    Awesome care and concern for me.

  • Reviewed on 3/21/2025

    Dr. Witmer and his staff are always courteous and professional

  • Reviewed on 3/17/2025

    Dr Witmer is the Best!! Mom is 103 and treats her like a really important person, doesn't talk around her or just to a care giver. Very grateful.

  • Reviewed on 3/12/2025

    Hands down the best office I've been to. I mention it to friends and family all the time!

  • Reviewed on 3/11/2025

    Dr. Witmer is the best doc I have ever had. I've been with him almost 20 years and travel from far away to see him.

  • Reviewed on 3/8/2025

    As always good and keep up the good work

  • Reviewed on 3/8/2025

    Parking is tough but once inside everything was great

  • Reviewed on 3/8/2025

    Dr. Witmer is an outstanding and caring physician. He takes the time to listen carefully and explains things thoroughly. He's the best!

  • Reviewed on 3/7/2025

    Part of being a good doctor is listening and the ability to put patients at ease. His demeanor is a little bit of humor and a lot of candor. Those two qualities are the best! I am so glad Dr Witmer is my doctor.

  • Reviewed on 3/7/2025

    Had an immediate medical need and was seen same day. Met Dr whitmor first time and he was an excellent practitioner

  • Reviewed on 3/6/2025

    Dr. Witmer is a wonderful, knowledgeable, compassionate doctor. So grateful that he is my primary care doctor.

  • Reviewed on 3/6/2025

    I followed Dr. Whitmer from Jefferson to Cooper because he is a very caring doctor and that's why I follow him from one place to another. I've been going to him now for over 14 years and he makes me feel very safe.

  • Reviewed on 3/5/2025

    Appreciate the doctors interest in me as a person and great communication on a consistent basis.

  • Reviewed on 3/5/2025

    Been seeing Dr Witmer for a long while! My son sees him too! Very caring and he is the only doctor I look forward to seeing! And I see many! He is always so pleasant. He is very caring .

  • Reviewed on 3/5/2025

    Dr. Witmer is always caring and concerned about my overall well being.

  • Reviewed on 3/1/2025

    Always treated with respect and in a professional caring manner. Patient of Dr. Witmer for over 20 years and I have complete confidence in him and his abilities.

  • Reviewed on 3/1/2025

    DR Wittmer is a very good Dr. My wife and I feel comfortable have him as primary Dr. Great guy.

  • Reviewed on 2/28/2025

    Dr Witmer is a wonderful doctor, he is always attentive, I trust him, he always talks me through any concerns. The office staff is so pleasant, it's always a pleasure to be there, thank you!

  • Reviewed on 2/28/2025

    Excellent Dr.! Could not have been a better experience! !

  • Reviewed on 2/26/2025

    Love my doctor Dr George Whitmer I have been with him for over 25 years he is like family to me I would not traded him for anything

  • Reviewed on 2/25/2025

    Dr Witmer is an excellent, extremely knowledgeable, and caring provider. Dr. Witmer is thorough and takes the time necessary to accommodate the needs of the patient. He makes each patient feel valued and special. I hope the system doesn't work him to death.

  • Reviewed on 2/25/2025

    Dr witmer takes the time to listen I trust in him for my care Staff is friendly

  • Reviewed on 2/21/2025

    great Doctor and staff.

  • Reviewed on 2/20/2025

    Dr. Witmer and the entire staff are the best.

  • Reviewed on 2/20/2025

    Everyone is professional and pleasant at this facility

  • Reviewed on 2/20/2025

    Staff & doctor awesome! !

  • Reviewed on 2/19/2025

    Everyone is polite, friendly, and professional. I feel totally confident with Dr Witmer and his staff.

  • Reviewed on 2/14/2025

    No complaints.

  • Reviewed on 2/13/2025

    Since my original PCP provider has left this practice, I was given Dr Witmer as a replacement. He was extremely welcoming.

  • Reviewed on 2/12/2025

    Dr Whitmer is great we drive an hour from PA

  • Reviewed on 2/11/2025

    Dr Witmer and the staff are WONDERFUL!! !

  • Reviewed on 2/11/2025

    Dr. Whitmer is wonderful and caring. Have always been a Jefferson patient, followed him to Cooper!

  • Reviewed on 2/10/2025

    Dr. Whitmer is always responsive to my needs and gets me quick responses through my chart.

  • Reviewed on 2/10/2025

    Dr witmer is an excellent provider and has been my pcp for many years. He has seen me through some very difficult times and has been unwavering in his support. He's an excellent clinician and very knowlegeable. I am grateful for the wholistic care he provides.

  • Reviewed on 2/9/2025

    Great Dr.

  • Reviewed on 2/8/2025

    Always a pleasure to visit your office. Dr. Whitmer is a very caring and thorough physician, and everyone that works with him also is very good. No one really wants to go to the doctors all the time, but he always is so caring and seems to solve all my problems when I go. Thank you.

  • Reviewed on 2/7/2025

    Front office staff were especially welcoming and helpful. Although my wait was short, they made it enjoyable and it past even faster than the time allotted.

  • Reviewed on 2/7/2025

    Dr. Witmer is the best in every way!! !

  • Reviewed on 2/7/2025

    My experience was positive and very nice with Dr. Witmer.

  • Reviewed on 2/6/2025

    I didn't see my regular Doctor but the Doctor I saw was Great. He has been following my progress and I have recommended him to family members!

  • Reviewed on 2/6/2025

    I find Dr. Witmer to be absolutely fabulous and his knowledge is unbelievable. I mean I'm 83 years old so I've seen a lot of doctors in my lifetime, but he is really outstanding.

  • Reviewed on 2/6/2025

    My experience is always exceptional with Dr. Witmer. I especially appreciate his response to me in "MY CHART."

  • Reviewed on 2/6/2025

    Excellent

  • Reviewed on 2/6/2025

    He's an excellent, caring, professional, and compassionate doctor.

  • Reviewed on 2/6/2025

    The whole staff is wonderful and quite knowledgeable

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