Alvin Greengart, MD
NPI 1427007947 · Cardiovascular Disease Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alvin Greengart, MD is a Cardiovascular Disease Physician provider in Brooklyn, NY (NPI 1427007947).
Provider details
- NPI number
- 1427007947
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1243251 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
52 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 32 | $212 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 20 | $74 |
Typical Medicare-allowed amounts for these services range $74–$212 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 39 | 15 |
| Atorvastatin Calcium | 33 | 11 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 21 | — |
| Apixabanbrand: Eliquis | 21 | — |
| Ezetimibe | 18 | — |
| Metoprolol Tartrate | 17 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-10
- Last updated
- 2011-11-08
Frequently asked questions
- What is Alvin Greengart's NPI number?
- Alvin Greengart's National Provider Identifier (NPI) is 1427007947, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alvin Greengart's specialty?
- Alvin Greengart is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Alvin Greengart located?
- Alvin Greengart's practice location on file with NPPES is 4802 Tenth Avenue, Brooklyn, NY 11219-2916.
- What is Alvin Greengart's phone number?
- The practice phone number listed in the NPPES registry for Alvin Greengart is (718) 283-6473.
- Does Alvin Greengart accept Medicare?
- Alvin Greengart is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alvin Greengart's NPI active?
- Yes — Alvin Greengart's NPI (1427007947) is active in the NPPES registry as of the last update on 2011-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.