Martin Grajower, MD
NPI 1538245824 · Endocrinology, Diabetes & Metabolism Physician · Bronx, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Martin Grajower, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Bronx, NY (NPI 1538245824).
Provider details
- NPI number
- 1538245824
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 120544 (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
8,767 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 1,500 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,100 | $139 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,098 | $9 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 598 | $68 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439 | 527 | $52 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 101 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 379 | 119 |
| Semaglutidebrand: Ozempic | 315 | 63 |
| Atorvastatin Calcium | 275 | 80 |
| Pioglitazone Hcl | 253 | 72 |
| Levothyroxine Sodiumbrand: Synthroid | 243 | 63 |
| Tirzepatidebrand: Mounjaro | 218 | 34 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$129,632 across 219 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
- 2006-10-28
- Last updated
- 2007-07-08
Frequently asked questions
- What is Martin Grajower's NPI number?
- Martin Grajower's National Provider Identifier (NPI) is 1538245824, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martin Grajower's specialty?
- Martin Grajower is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Martin Grajower located?
- Martin Grajower's practice location on file with NPPES is 3736 Henry Hudson Pkwy, Bronx, NY 10463-1502.
- What is Martin Grajower's phone number?
- The practice phone number listed in the NPPES registry for Martin Grajower is (718) 549-6268.
- Does Martin Grajower accept Medicare?
- Martin Grajower is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Martin Grajower's NPI active?
- Yes — Martin Grajower's NPI (1538245824) 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.