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Obstetrics/Gynecology

Anna M. Grassi, DO

Works at hospitals in West Reading, PA · Pottsville, PA · Pennsylvania

Summary

Dr. Anna M. Grassi, DO is an OB-GYN at 2610 Keiser Blvd, Wyomissing, PA 19610. Accepts Medicare assignment. In 2024, Anna M. Grassi had 78 Original Medicare patients and 227 services. NPI 1255691457. 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: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 2610 Keiser Blvd, Wyomissing, PA 19610 · Directions (1 more location)
  • Medicare: Accepts Medicare assignment
  • Hospitals: Reading Hospital, Schuylkill Medical Center - South Jackson Street
  • Group practice: Tower Health Medical Group
  • Medical school: Lake Erie College Of Osteopathic Medicine, Erie · graduated 2012 (14 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Anna M. Grassi, 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 M. Grassi accept Medicare assignment?
Yes. Medicare's clinician data says Anna M. Grassi 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 M. Grassi see?
In 2024, CMS data shows 78 Original Medicare patients and 227 services for Anna M. Grassi. This counts Original Medicare only and measures volume, not quality.
What is Anna M. Grassi's NPI number?
1255691457. 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 M. Grassi, 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 patients78
Services billed to Medicare227
Different services or procedures19
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)49 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)12 services
  3. Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)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 cholesterol75%
  • High blood pressure63%
  • Arthritis44%
  • Osteoporosis31%
  • Anxiety22%
  • Depression19%

Hospitals where Anna M. Grassi works

Medicare's Facility Affiliation Data lists Anna M. Grassi 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 Anna M. Grassi is enrolled with Medicare (CMS data updated October 2, 2026).

  • 2610 Keiser BlvdWyomissing, PA 19610
  • 301 S 7th AveWest Reading, PA 19611

Group practices

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

  • Tower Health Medical Group584 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Pennsylvania →

Other OB-GYNs in Wyomissing

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

All OB-GYNs in Wyomissing →

Other clinicians in Tower Health Medical Group

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

Clinician information

CredentialDO
Medical schoolLake Erie College Of Osteopathic Medicine, Erie
Graduation year2012 (14 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1255691457
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