John Martin, M.D.
NPI 1447577788 · Internal Medicine Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Martin, M.D. is a Internal Medicine Physician provider in Brooklyn, NY (NPI 1447577788).
Provider details
- NPI number
- 1447577788
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
168 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 51 | $9 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 24 | $8 |
| Hemoglobin A1c Level83036 | 24 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 20 | $13 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test85027 | 14 | $6 |
| Urine Microalbumin (protein) Level82043 | 12 | $6 |
| Blood Test, Thyroid Stimulating Hormone (tsh) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 72 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 234 | 87 |
| Amlodipine Besylate | 197 | 71 |
| Metformin Hclbrand: Metformin Hcl Er | 126 | 37 |
| Meloxicam | 118 | 46 |
| Diclofenac Sodium | 118 | 37 |
| Rosuvastatin Calcium | 116 | 41 |
| Fluticasone Propionate | 115 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-04-27
- Last updated
- 2022-07-21
Frequently asked questions
- What is John Martin's NPI number?
- John Martin's National Provider Identifier (NPI) is 1447577788, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Martin's specialty?
- John Martin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Martin located?
- John Martin's practice location on file with NPPES is 150 55th St, Brooklyn, NY 11232-2508.
- What is John Martin's phone number?
- The practice phone number listed in the NPPES registry for John Martin is (718) 630-7131.
- Does John Martin accept Medicare?
- John Martin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Martin's NPI active?
- Yes — John Martin's NPI (1447577788) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.