Dr. Dennis R. Witmer
- Gender: Male
- Experience: 42 years
- Graduated from: Jefferson Medical College Of Thomas Jefferson University
- Graduation year: 1979
- Sole propriator: No
- NPI: 1477533677
Dr. Dennis R. Witmer MD
Surgeon
He is located at 4735 Ogletown Stanton Road Suite 3301 in Newark, DE 19713. Can help patients with the following: Boils, Diverticulosis, Hemorrhoids, Inflammatory Bowel Disease (IBD), Pilonidal Cyst, Ulcerative Colitis. His National Provider Identifier (NPI) number is 1477533677. Appointment can be made via the phone number (302) 623-4370. He is affiliated with 4 practices and 1 hospitals.
Conditions treated
Dr. Dennis R. Witmer, being an surgeon, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Dennis R. Witmer.
- Achalasia
- Anal Fissure
- Appendicitis
- Boils
- Cancer
- Colon Cancer
- Crohn's Disease
- Cyst
- Diverticulosis
- Enlarged Spleen
- Esophageal Cancer
- Gallstones
- Gangrene
- Heart Disease
- Hemorrhoids
- Hernia
- Inflammatory Bowel Disease (IBD)
- Lymphedema
- Pancreatitis
- Peptic Ulcer
- Pilonidal Cyst
- Sebaceous Cyst
- Ulcerative Colitis
Procedures Performed by Dr. Dennis R. Witmer
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Dennis R. Witmer as in-network for the following 2026 plans.
Health plans
AmeriHealth Caritas Next
Network data as of Sep 11, 2026, as reported by the insurer.
Show all 8 plans from AmeriHealth Caritas Next
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| AmeriHealth Caritas Next Bronze Essential + No Referrals | HMO · Bronze | Preferred | Accepting new patients |
| AmeriHealth Caritas Next Bronze Premier + No Referrals | HMO · Expanded Bronze | Preferred | Accepting new patients |
| AmeriHealth Caritas Next Bronze Signature + No Referrals | HMO · Expanded Bronze | Preferred | Accepting new patients |
| AmeriHealth Caritas Next Gold Premier + No Referrals | HMO · Gold | Preferred | Accepting new patients |
| AmeriHealth Caritas Next Gold Signature + No Referrals | HMO · Gold | Preferred | Accepting new patients |
| AmeriHealth Caritas Next Silver Essential + No Referrals | HMO · Silver | Preferred | Accepting new patients |
| AmeriHealth Caritas Next Silver Premier + No Referrals | HMO · Silver | Preferred | Accepting new patients |
| AmeriHealth Caritas Next Silver Signature + No Referrals | HMO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Dennis R. Witmer is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Dennis R. Witmer is enrolled to bill Medicare as a Practitioner - General Surgery .
Bills through: Christiana Care Health Services Inc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Studies
JEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated in 1979Additional Specialities
- Specialist
Affiliated practices
Looking for more Surgeons?
Out of the 65 surgeons in this region, here are 10 randomly selected ones for you to explore.
- Gender: Male
- Address: Suite 4000 4701 Ogletown Stanton Road Newark, 19713, DE
- Gender: Male
- Address: Suite 220 4745 Ogletown Stanton Road Newark, 19713, DE
- Gender: Male
- Address: Suite 1340 4701 Ogletown Stanton Road Newark, 19713, DE
- Gender: Male
- Address: Suite 101 774 Christiana Road Newark, 19713, DE
- Gender: Female
- Address: Omega Professional Center E62 Omega Drive Newark, 19713, DE
- Gender: Male
- Address: Suite 307 1 Centurian Drive Newark, 19713, DE
- Gender: Female
- Address: Suite 2224 4735 Ogletown Stanton Road Newark, 19713, DE
- Gender: Male
- Address: Suite 2100 4701 Ogletown Stanton Road Newark, 19713, DE
- Gender: Female
- Address: Suite 1500 4701 Ogletown Stanton Road Newark, 19713, DE
- Gender: Male
- Address: 360 Linden Oaks Suite 300 Rochester, 14625, NY
Questions & Answers
Does Dr. Dennis R. Witmer have affiliation with practices?
Dr. Dennis R. Witmer is affiliated with CCHS Surgery. For the full list of practices see this list.
Where can you meet with Dr. Dennis R. Witmer?
Dr. Dennis R. Witmer's office is located at 4735 Ogletown Stanton Road Suite 3301 in Newark, DE 19713.
What conditions does Dr. Dennis R. Witmer treat?
Dr. Dennis R. Witmer provides treatment for Boils, Diverticulosis, Hemorrhoids, Inflammatory Bowel Disease (IBD), Pilonidal Cyst, Ulcerative Colitis. For the full list see this list.
Has Dr. Dennis R. Witmer affiliation with hospitals?
Dr. Dennis R. Witmer is affiliated with CHRISTIANA HOSPITAL.
Does Dr. Dennis R. Witmer accept patients with AmeriHealth Caritas Next?
Yes, Dr. Dennis R. Witmer is listed in-network for AmeriHealth Caritas Next through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.