What is Irwin Greenspan's NPI number?

Irwin Greenspan's National Provider Identifier (NPI) is 1730241621, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Irwin Greenspan's specialty?

Irwin Greenspan is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).

Where is Irwin Greenspan located?

Irwin Greenspan's practice location on file with NPPES is 205 20 32 Avenue, Bayside, NY 11361.

What is Irwin Greenspan's phone number?

The practice phone number listed in the NPPES registry for Irwin Greenspan is (718) 357-5201.

Is Irwin Greenspan's NPI active?

Yes — Irwin Greenspan's NPI (1730241621) is active in the NPPES registry as of the last update on 2007-07-08.

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Irwin Greenspan, MD

NPI 1730241621 · Ophthalmology Physician · Bayside, NY

Irwin Greenspan, MD is a Ophthalmology Physician provider in Bayside, NY (NPI 1730241621).

Provider details

NPI number: 1730241621
Entity type: Individual
Primary specialty: Ophthalmology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: 097079 (NY)

Specialties & taxonomies

Ophthalmology PhysicianPrimary207W00000XLicense 097079 (NY)
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

205 20 32 Avenue

Bayside, NY 11361

Phone: (718) 357-5201

Street-level locationGet directions

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Mailing address