Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Obstetrics/Gynecology

Anna S. Graseck, MD

Works at hospitals in Bryn Mawr, PA · Philadelphia, PA · Wynnewood, PA … · Pennsylvania

Summary

Dr. Anna S. Graseck, MD is an OB-GYN at 1100 Hector St, Suite 105, Conshohocken, PA 19428. Phone: (610) 828-2608. Accepts Medicare assignment. In 2024, Anna S. Graseck had 32 Original Medicare patients and 40 services. NPI 1578874392. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Anna S. Graseck, 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 Anna S. Graseck accept Medicare assignment?
Yes. Medicare's clinician data says Anna S. Graseck 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 Anna S. Graseck see?
In 2024, CMS data shows 32 Original Medicare patients and 40 services for Anna S. Graseck. This counts Original Medicare only and measures volume, not quality.
What is Anna S. Graseck's NPI number?
1578874392. 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 Anna S. Graseck, 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 patients32
Services billed to Medicare40
Different services or procedures13
Participating Medicare providerYes
Average age of these patients62

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 cholesterol63%
  • High blood pressure47%
  • Arthritis47%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)34%

Hospitals where Anna S. Graseck works

Medicare's Facility Affiliation Data lists Anna S. Graseck 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.

  • Bryn Mawr HospitalBryn Mawr, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390139
  • Hospital of University of PennsylvaniaPhiladelphia, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390111
  • Main Line Hospital LankenauWynnewood, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390195
  • Paoli HospitalPaoli, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390153
  • Riddle Memorial HospitalMedia, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390222

Practice locations

Addresses where Anna S. Graseck is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Anna S. Graseck as a member of this group (CMS data updated October 2, 2026).

  • Main Line Healthcare1,184 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Pennsylvania →

Other OB-GYNs in Pennsylvania

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

All OB-GYNs in Pennsylvania →

Other clinicians in Main Line Healthcare

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

Clinician information

CredentialMD
Medical schoolWashington University School Of Medicine
Graduation year2010 (16 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1578874392
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