Leonard M. Mattes M.D., P.C.
NPI 1023395654 · Cardiovascular Disease Physician · New York, NY
Leonard M. Mattes M.D., P.C. is a Cardiovascular Disease Physician organization in New York, NY (NPI 1023395654).
Provider details
- NPI number
- 1023395654
- Entity type
- Organization
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Leonard Mattes, Owner(212) 876-7045
- License
- 093836 (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
14 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
- 2011-11-10
- Last updated
- 2011-11-10
Frequently asked questions
- What is Leonard M. Mattes M.D., P.C.'s NPI number?
- Leonard M. Mattes M.D., P.C.'s National Provider Identifier (NPI) is 1023395654, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Leonard M. Mattes M.D., P.C.?
- Leonard M. Mattes M.D., P.C. is classified in the NPPES registry as Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Leonard M. Mattes M.D., P.C. located?
- Leonard M. Mattes M.D., P.C.'s practice location on file with NPPES is 1199 Park Ave, New York, NY 10128-1711.
- What is Leonard M. Mattes M.D., P.C.'s phone number?
- The practice phone number listed in the NPPES registry for Leonard M. Mattes M.D., P.C. is (212) 876-7045.
- Who is the authorized official for Leonard M. Mattes M.D., P.C.?
- The authorized official listed on Leonard M. Mattes M.D., P.C.'s NPPES record is Leonard Mattes, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Leonard M. Mattes M.D., P.C.'s NPI active?
- Yes — Leonard M. Mattes M.D., P.C.'s NPI (1023395654) is active in the NPPES registry as of the last update on 2011-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.