Mark Swartz, M.D.
NPI 1275634651 · Cardiovascular Disease Physician · New York, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Swartz, M.D. is a Cardiovascular Disease Physician provider in New York, NY (NPI 1275634651).
Provider details
- NPI number
- 1275634651
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 120783 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-09-26
- Last updated
- 2023-03-07
Frequently asked questions
- What is Mark Swartz's NPI number?
- Mark Swartz's National Provider Identifier (NPI) is 1275634651, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Swartz's specialty?
- Mark Swartz is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Swartz located?
- Mark Swartz's practice location on file with NPPES is 55 E 124th St, New York, NY 10035-1815.
- What is Mark Swartz's phone number?
- The practice phone number listed in the NPPES registry for Mark Swartz is (212) 410-8457.
- Does Mark Swartz accept Medicare?
- Mark Swartz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Swartz's NPI active?
- Yes — Mark Swartz's NPI (1275634651) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.