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Family Practice

Mary Ann Sarker, MD

Works at hospitals in Ephrata, PA · Pennsylvania

Summary

Dr. Mary Ann Sarker, MD is a family doctor at 446 N Reading Rd, Ephrata, PA 17522. Accepts Medicare assignment. In 2024, Mary Ann Sarker had 147 Original Medicare patients and 283 services. NPI 1518999168. 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: Family doctor (Medicare lists Family Practice)
  • Address: 446 N Reading Rd, Ephrata, PA 17522 · Directions
  • Medicare: Accepts Medicare assignment
  • Hospital: WellSpan Ephrata Community Hospital
  • Medical school: graduated 1976 (50 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Mary Ann Sarker, 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 Mary Ann Sarker accept Medicare assignment?
Yes. Medicare's clinician data says Mary Ann Sarker 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 Mary Ann Sarker see?
In 2024, CMS data shows 147 Original Medicare patients and 283 services for Mary Ann Sarker. This counts Original Medicare only and measures volume, not quality.
What is Mary Ann Sarker's NPI number?
1518999168. 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 Mary Ann Sarker, 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 patients147
Services billed to Medicare283
Different services or procedures31
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)65 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)62 services
  3. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)17 services
  4. Automated urinalysis test (81003)16 services
  5. X-ray of chest, 2 views (71046)15 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 cholesterol75%
  • High blood pressure67%
  • Arthritis44%
  • Diabetes29%
  • Ischemic heart disease27%
  • Anxiety27%

Hospitals where Mary Ann Sarker works

Medicare's Facility Affiliation Data lists Mary Ann Sarker 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.

Practice locations

Addresses where Mary Ann Sarker is enrolled with Medicare (CMS data updated October 2, 2026).

  • 446 N Reading RdEphrata, PA 17522

Specialties

Find other Family Practice doctors in Pennsylvania →

Other family doctors in Ephrata

Clinicians with the same Medicare primary specialty in Ephrata, PA — not a recommendation.

All family doctors in Ephrata →

Clinician information

CredentialMD
Graduation year1976 (50 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1518999168
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