Michael Diaz M.D.
NPI 1265605794 · Hematology & Oncology Physician · New York, NY
Michael Diaz M.D. is a Hematology & Oncology Physician organization in New York, NY (NPI 1265605794).
Provider details
- NPI number
- 1265605794
- Entity type
- Organization
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Michael Diaz, Owner212228764500
- License
- 114488 (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
18 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
- 2008-04-04
- Last updated
- 2008-04-04
Frequently asked questions
- What is Michael Diaz M.D.'s NPI number?
- Michael Diaz M.D.'s National Provider Identifier (NPI) is 1265605794, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Michael Diaz M.D.?
- Michael Diaz M.D. is classified in the NPPES registry as Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Diaz M.D. located?
- Michael Diaz M.D.'s practice location on file with NPPES is 1112 Park Ave, New York, NY 10128-1235.
- What is Michael Diaz M.D.'s phone number?
- The practice phone number listed in the NPPES registry for Michael Diaz M.D. is (212) 876-4500.
- Who is the authorized official for Michael Diaz M.D.?
- The authorized official listed on Michael Diaz M.D.'s NPPES record is Michael Diaz, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Michael Diaz M.D.'s NPI active?
- Yes — Michael Diaz M.D.'s NPI (1265605794) is active in the NPPES registry as of the last update on 2008-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.