IndividualActive
James Mazzara, MD
NPI 1285727347 · Internal Medicine Physician · New York, NY
James Mazzara, MD is a Internal Medicine Physician provider in New York, NY (NPI 1285727347).
Provider details
- NPI number
- 1285727347
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 092892 (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
170 W 12th St
Medicine /Cardiology
New York, NY 10011-8202
Phone: (212) 356-4474
Fax: (212) 356-4608
Street-level locationGet directions
Mailing address
450 W 33rd St
New York, NY 10001-2603
Registry dates
- Enumerated
- 2006-10-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is James Mazzara's NPI number?
- James Mazzara's National Provider Identifier (NPI) is 1285727347, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Mazzara's specialty?
- James Mazzara is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Mazzara located?
- James Mazzara's practice location on file with NPPES is 170 W 12th St, New York, NY 10011-8202.
- What is James Mazzara's phone number?
- The practice phone number listed in the NPPES registry for James Mazzara is (212) 356-4474.
- Is James Mazzara's NPI active?
- Yes — James Mazzara's NPI (1285727347) 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.