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

Nurse Practitioner

Bonnie M. Graff, NP

Works at hospitals in West Chester, PA · Philadelphia, PA · Paoli, PA · Pennsylvania

Summary

Bonnie M. Graff, NP is a nurse practitioner at 150 E Pennsylvania Ave, Suite 300, Downingtown, PA 19335. Phone: (610) 692-3434. Accepts Medicare assignment. In 2024, Bonnie M. Graff had 29 Original Medicare patients and 39 services. NPI 1962488114. 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 Bonnie M. Graff, 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 Bonnie M. Graff accept Medicare assignment?
Yes. Medicare's clinician data says Bonnie M. Graff 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 Bonnie M. Graff see?
In 2024, CMS data shows 29 Original Medicare patients and 39 services for Bonnie M. Graff. This counts Original Medicare only and measures volume, not quality.
What is Bonnie M. Graff's NPI number?
1962488114. 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 Bonnie M. Graff, 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 patients29
Services billed to Medicare39
Different services or procedures5
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)25 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%
  • Arthritis45%
  • High blood pressure38%

Hospitals where Bonnie M. Graff works

Medicare's Facility Affiliation Data lists Bonnie M. Graff 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 Bonnie M. Graff is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

Group practices

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

  • Regional Womens Health Group LLC354 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Pennsylvania →

Other nurse practitioners in Downingtown

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

All nurse practitioners in Downingtown →

Other clinicians in Regional Womens Health Group LLC

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

Clinician information

CredentialNP
Graduation year1986
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1962488114
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