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

Physician Assistant

Melissa A. Westhoven, PA

Works at hospitals in Chelsea, MI · Michigan

Summary

Melissa A. Westhoven, PA is a physician assistant at 128 Van Buren St, Chelsea, MI 48118. Phone: (734) 475-8677. Accepts Medicare assignment. In 2024, Melissa A. Westhoven had 15 Original Medicare patients and 25 services. NPI 1316085392. 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: Physician assistant
  • Address: 128 Van Buren St, Chelsea, MI 48118 · Directions (4 more locations)
  • Phone: (734) 475‑8677
  • Medicare: Accepts Medicare assignment
  • Hospital: Chelsea Hospital
  • Group practice: Iha Health Services Corporation
  • School: graduated 1997
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Melissa A. Westhoven, 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 Melissa A. Westhoven accept Medicare assignment?
Yes. Medicare's clinician data says Melissa A. Westhoven 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 Melissa A. Westhoven see?
In 2024, CMS data shows 15 Original Medicare patients and 25 services for Melissa A. Westhoven. This counts Original Medicare only and measures volume, not quality.
What is Melissa A. Westhoven's NPI number?
1316085392. 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 Melissa A. Westhoven, 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 patients15
Services billed to Medicare25
Different services or procedures14
Participating Medicare providerYes
Average age of these patients72

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%

Hospitals where Melissa A. Westhoven works

Medicare's Facility Affiliation Data lists Melissa A. Westhoven 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.

  • Chelsea HospitalChelsea, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230259

Practice locations

Addresses where Melissa A. Westhoven is enrolled with Medicare (CMS data updated October 2, 2026).

  • 128 Van Buren StChelsea, MI 48118 (734) 475‑8677
  • 19000 St Joes PkwyLivonia, MI 48152
  • 44428 Woodward Ave, Suite 102Pontiac, MI 48341 (734) 712‑8700
  • 51341 W Huron River DrVan Buren, MI 48111
  • 775 S Main StChelsea, MI 48118

Group practices

Medicare enrollment lists Melissa A. Westhoven as a member of this group (CMS data updated October 2, 2026).

  • Iha Health Services Corporation1,168 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Michigan →

Other physician assistants in Chelsea

Clinicians with the same Medicare primary specialty in Chelsea, MI — not a recommendation.

All physician assistants in Chelsea →

Other clinicians in Iha Health Services Corporation

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

Clinician information

CredentialPA
Graduation year1997
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1316085392
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