James Mariadason, MD
NPI 1366526667 · Surgery Physician · New York, NY
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Mariadason, MD is a Surgery Physician provider in New York, NY (NPI 1366526667).
Provider details
- NPI number
- 1366526667
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 150217 (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
- 2006-10-24
- Last updated
- 2007-07-08
Frequently asked questions
- What is James Mariadason's NPI number?
- James Mariadason's National Provider Identifier (NPI) is 1366526667, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Mariadason's specialty?
- James Mariadason is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is James Mariadason located?
- James Mariadason's practice location on file with NPPES is 1901 1st Ave, New York, NY 10029-7404.
- What is James Mariadason's phone number?
- The practice phone number listed in the NPPES registry for James Mariadason is (212) 423-6614.
- Does James Mariadason accept Medicare?
- James Mariadason is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Mariadason's NPI active?
- Yes — James Mariadason's NPI (1366526667) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.