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Endocrinology

Martin Sarkar, DO

Works at hospitals in Frederick, MD · Maryland

Summary

Dr. Martin Sarkar, DO is an endocrinologist at 110 Baughmans Ln, Suite 140, Frederick, MD 21702. Phone: (240) 215-1138. Accepts Medicare assignment. In 2024, Martin Sarkar had 323 Original Medicare patients and 681 services. NPI 1518005636. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Endocrinologist (Medicare lists Endocrinology)
  • Address: 110 Baughmans Ln, Suite 140, Frederick, MD 21702 · Directions (2 more locations)
  • Phone: (240) 215‑1138
  • Medicare: Accepts Medicare assignment
  • Hospital: Frederick Health Hospital
  • Group practice: Privia Medical Group, LLC (+1 more)
  • Medical school: West Virginia School Of Osteopathic Medicine · graduated 2004 (22 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Martin Sarkar, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Martin Sarkar accept Medicare assignment?
Yes. Medicare's clinician data says Martin Sarkar accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Martin Sarkar see?
In 2024, CMS data shows 323 Original Medicare patients and 681 services for Martin Sarkar. This counts Original Medicare only and measures volume, not quality.
What is Martin Sarkar's NPI number?
1518005636. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Martin Sarkar, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients323
Services billed to Medicare681
Different services or procedures16
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)319 services
  2. Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (95251)137 services
  3. 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's (G2211)121 services
  4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)50 services
  5. Ultrasound scan of head and neck soft tissue (76536)11 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Diabetes70%
  • Arthritis54%
  • Ischemic heart disease41%
  • Chronic kidney disease35%

Hospitals where Martin Sarkar works

Medicare's Facility Affiliation Data lists Martin Sarkar at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Frederick Health HospitalFrederick, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210005

Practice locations

Addresses where Martin Sarkar is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Martin Sarkar as a member of these groups (CMS data updated October 2, 2026).

  • Privia Medical Group, LLC1,533 clinicians in the group
  • Privia Care Center LLC287 clinicians in the group

Specialties

Find other Endocrinology doctors in Maryland →

Other endocrinologists in Maryland

Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.

All endocrinologists in Maryland →

Other clinicians in Privia Medical Group, LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Medical schoolWest Virginia School Of Osteopathic Medicine
Graduation year2004 (22 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1518005636
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians