Donald Marks, MD
NPI 1841272309 · Internal Medicine Physician · Wharton, NJ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donald Marks, MD is a Internal Medicine Physician provider in Wharton, NJ (NPI 1841272309).
Provider details
- NPI number
- 1841272309
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 180133 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-18
- Last updated
- 2021-05-24
- Certified
- 2021-05-24
Frequently asked questions
- What is Donald Marks's NPI number?
- Donald Marks's National Provider Identifier (NPI) is 1841272309, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Marks's specialty?
- Donald Marks is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Marks located?
- Donald Marks's practice location on file with NPPES is 8215 Polk Dr, Wharton, NJ 07885-4202.
- What is Donald Marks's phone number?
- The practice phone number listed in the NPPES registry for Donald Marks is (973) 307-0364.
- Does Donald Marks accept Medicare?
- Donald Marks is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donald Marks's NPI active?
- Yes — Donald Marks's NPI (1841272309) is active in the NPPES registry as of the last update on 2021-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.