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Richard Mark, MD
NPI 1003918905 · Internal Medicine Physician · New York, NY
Richard Mark, MD is a Internal Medicine Physician provider in New York, NY (NPI 1003918905).
Provider details
- NPI number
- 1003918905
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 137591 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
235 E 38th St
New York, NY 10016-2709
Phone: (212) 867-1824
Fax: (212) 599-4554
Street-level locationGet directions
Mailing address
316 E 30th St
New York, NY 10016-8366
Registry dates
- Enumerated
- 2006-09-01
- Last updated
- 2021-04-26
- Certified
- 2021-04-26
Frequently asked questions
- What is Richard Mark's NPI number?
- Richard Mark's National Provider Identifier (NPI) is 1003918905, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Mark's specialty?
- Richard Mark is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Mark located?
- Richard Mark's practice location on file with NPPES is 235 E 38th St, New York, NY 10016-2709.
- What is Richard Mark's phone number?
- The practice phone number listed in the NPPES registry for Richard Mark is (212) 867-1824.
- Is Richard Mark's NPI active?
- Yes — Richard Mark's NPI (1003918905) is active in the NPPES registry as of the last update on 2021-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.