Warren Greenspan, M.D.
NPI 1497816474 · Anesthesiology Physician · Long Beach, NY
Enrolled with Medicare as Order and Referring Only - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Warren Greenspan, M.D. is a Anesthesiology Physician provider in Long Beach, NY (NPI 1497816474).
Provider details
- NPI number
- 1497816474
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 143936 (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
- 2006-12-13
- Last updated
- 2010-05-24
Frequently asked questions
- What is Warren Greenspan's NPI number?
- Warren Greenspan's National Provider Identifier (NPI) is 1497816474, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Warren Greenspan's specialty?
- Warren Greenspan is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Warren Greenspan located?
- Warren Greenspan's practice location on file with NPPES is 454 Grand Blvd, Long Beach, NY 11561-1742.
- What is Warren Greenspan's phone number?
- The practice phone number listed in the NPPES registry for Warren Greenspan is (516) 680-6417.
- Does Warren Greenspan accept Medicare?
- Warren Greenspan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Warren Greenspan's NPI active?
- Yes — Warren Greenspan's NPI (1497816474) is active in the NPPES registry as of the last update on 2010-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.