Douglas Greenfield, M.D.
NPI 1548256928 · Cardiovascular Disease Physician · Brooklyn, NY
Douglas Greenfield, M.D. is a Cardiovascular Disease Physician provider in Brooklyn, NY (NPI 1548256928).
Provider details
- NPI number
- 1548256928
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 130689 (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
20 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
- 2005-09-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Douglas Greenfield's NPI number?
- Douglas Greenfield's National Provider Identifier (NPI) is 1548256928, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Greenfield's specialty?
- Douglas Greenfield is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Greenfield located?
- Douglas Greenfield's practice location on file with NPPES is 6410 Veterans Ave, Brooklyn, NY 11234-5639.
- What is Douglas Greenfield's phone number?
- The practice phone number listed in the NPPES registry for Douglas Greenfield is (718) 763-0080.
- Is Douglas Greenfield's NPI active?
- Yes — Douglas Greenfield's NPI (1548256928) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.