Martin Sarkar, D.O.
NPI 1518005636 · Endocrinology, Diabetes & Metabolism Physician · Frederick, MD
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Martin Sarkar, D.O. is a Endocrinology, Diabetes & Metabolism Physician provider in Frederick, MD (NPI 1518005636).
Provider details
- NPI number
- 1518005636
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 57553 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
649 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 | 319 | $128 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 137 | $34 |
| 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 | 121 | $17 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 50 | $187 |
| Ultrasound Scan of Head and Neck Soft Tissue76536 | 11 | $113 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 356 | 123 |
| Semaglutidebrand: Ozempic | 203 | 63 |
| Metformin Hclbrand: Metformin Hcl Er | 145 | 57 |
| Empagliflozinbrand: Jardiance | 111 | 41 |
| Dapagliflozin Propanediolbrand: Farxiga | 93 | 32 |
| Levothyroxine Sodiumbrand: Synthroid |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$154,410 across 237 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
- 2007-02-01
- Last updated
- 2025-04-23
- Certified
- 2025-04-23
Frequently asked questions
- What is Martin Sarkar's NPI number?
- Martin Sarkar's National Provider Identifier (NPI) is 1518005636, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martin Sarkar's specialty?
- Martin Sarkar is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Martin Sarkar located?
- Martin Sarkar's practice location on file with NPPES is 9093 Ridgefield Dr Ste 104, Frederick, MD 21701-6711.
- What is Martin Sarkar's phone number?
- The practice phone number listed in the NPPES registry for Martin Sarkar is (240) 956-5475.
- Does Martin Sarkar accept Medicare?
- Martin Sarkar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Martin Sarkar's NPI active?
- Yes — Martin Sarkar's NPI (1518005636) is active in the NPPES registry as of the last update on 2025-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.