Sheldon Greenberg, MD
NPI 1831270305 · Nephrology Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sheldon Greenberg, MD is a Nephrology Physician provider in Brooklyn, NY (NPI 1831270305).
Provider details
- NPI number
- 1831270305
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 178274 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
966 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 277 | $145 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 175 | $87 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 | 123 | $325 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 79 | $205 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 77 | $146 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydralazine Hcl | 136 | 47 |
| Calcitriol | 100 | 23 |
| Amlodipine Besylate | 93 | 32 |
| Losartan Potassium | 77 | 21 |
| Sevelamer Carbonate | 54 | 19 |
| Dapagliflozin Propanediolbrand: Farxiga | 43 | 12 |
| Nifedipinebrand: Nifedipine Er | 40 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$223 across 12 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Sheldon Greenberg's NPI number?
- Sheldon Greenberg's National Provider Identifier (NPI) is 1831270305, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sheldon Greenberg's specialty?
- Sheldon Greenberg is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Sheldon Greenberg located?
- Sheldon Greenberg's practice location on file with NPPES is 4802 10th Ave, Brooklyn, NY 11219-2916.
- What is Sheldon Greenberg's phone number?
- The practice phone number listed in the NPPES registry for Sheldon Greenberg is (718) 283-8773.
- Does Sheldon Greenberg accept Medicare?
- Sheldon Greenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sheldon Greenberg's NPI active?
- Yes — Sheldon Greenberg's NPI (1831270305) 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.