Drs Blau, Tiger, Sullivan, Sumner
NPI 1417012790 · Rheumatology Physician · Massapequa, NY
Drs Blau, Tiger, Sullivan, Sumner is a Rheumatology Physician organization in Massapequa, NY (NPI 1417012790).
Provider details
- NPI number
- 1417012790
- Entity type
- Organization
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Sheldon Blau, Owner(516) 541-6262
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
- 2006-12-27
- Last updated
- 2020-08-22
Frequently asked questions
- What is Drs Blau, Tiger, Sullivan, Sumner's NPI number?
- Drs Blau, Tiger, Sullivan, Sumner's National Provider Identifier (NPI) is 1417012790, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Drs Blau, Tiger, Sullivan, Sumner?
- Drs Blau, Tiger, Sullivan, Sumner is classified in the NPPES registry as Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Drs Blau, Tiger, Sullivan, Sumner located?
- Drs Blau, Tiger, Sullivan, Sumner's practice location on file with NPPES is 566 Broadway, Massapequa, NY 11758-5017.
- What is Drs Blau, Tiger, Sullivan, Sumner's phone number?
- The practice phone number listed in the NPPES registry for Drs Blau, Tiger, Sullivan, Sumner is (516) 544-6262.
- Who is the authorized official for Drs Blau, Tiger, Sullivan, Sumner?
- The authorized official listed on Drs Blau, Tiger, Sullivan, Sumner's NPPES record is Sheldon Blau, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Drs Blau, Tiger, Sullivan, Sumner's NPI active?
- Yes — Drs Blau, Tiger, Sullivan, Sumner's NPI (1417012790) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.