Sheldon Blau, MD
NPI 1376607267 · Rheumatology Physician · Massapequa, NY
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sheldon Blau, MD is a Rheumatology Physician provider in Massapequa, NY (NPI 1376607267).
Provider details
- NPI number
- 1376607267
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 087639 (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
- 2006-12-22
- Last updated
- 2010-08-05
Frequently asked questions
- What is Sheldon Blau's NPI number?
- Sheldon Blau's National Provider Identifier (NPI) is 1376607267, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sheldon Blau's specialty?
- Sheldon Blau is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Sheldon Blau located?
- Sheldon Blau's practice location on file with NPPES is 566 Broadway, Massapequa, NY 11758.
- What is Sheldon Blau's phone number?
- The practice phone number listed in the NPPES registry for Sheldon Blau is (516) 541-6262.
- Does Sheldon Blau accept Medicare?
- Sheldon Blau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sheldon Blau's NPI active?
- Yes — Sheldon Blau's NPI (1376607267) is active in the NPPES registry as of the last update on 2010-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.