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Physician Assistant

Timothy G. Petrosky, PA

Works at hospitals in Ann Arbor, MI · Michigan

Summary

Timothy G. Petrosky, PA is a physician assistant at 39000 7 Mile Rd, Livonia, MI 48152. Phone: (734) 259-6015. Accepts Medicare assignment. In 2024, Timothy G. Petrosky had 153 Original Medicare patients and 1,039 services. NPI 1609844208. 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: 39000 7 Mile Rd, Livonia, MI 48152 · Directions (2 more locations)
  • Phone: (734) 259‑6015
  • Medicare: Accepts Medicare assignment
  • Hospital: Trinity Health Ann Arbor Hospital
  • Group practice: Comprehensive Pain Solutions PLLC
  • School: graduated 2000
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Timothy G. Petrosky, 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 Timothy G. Petrosky accept Medicare assignment?
Yes. Medicare's clinician data says Timothy G. Petrosky 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 Timothy G. Petrosky see?
In 2024, CMS data shows 153 Original Medicare patients and 1,039 services for Timothy G. Petrosky. This counts Original Medicare only and measures volume, not quality.
What is Timothy G. Petrosky's NPI number?
1609844208. 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 Timothy G. Petrosky, 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 patients153
Services billed to Medicare1,039
Different services or procedures14
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Remote therapeutic monitoring treatment management services by physician or other qualified health care professional, each additional 20 minutes per calendar month (98981)390 services
  2. Remote therapeutic monitoring treatment management services by physician or other qualified health care professional, first 20 minutes per calendar month (98980)350 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)166 services
  4. Set-up and patient education for remote monitoring of therapy (98975)62 services
  5. Testing for presence of drug, read by direct observation (80305)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 blood pressure75%
  • Arthritis75%
  • High cholesterol70%
  • Anxiety48%
  • Diabetes37%
  • Depression35%

Hospitals where Timothy G. Petrosky works

Medicare's Facility Affiliation Data lists Timothy G. Petrosky 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 Timothy G. Petrosky is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Timothy G. Petrosky as a member of this group (CMS data updated October 2, 2026).

  • Comprehensive Pain Solutions PLLC6 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Michigan →

Other physician assistants in Livonia

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

All physician assistants in Livonia →

Other clinicians in Comprehensive Pain Solutions PLLC

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

Clinician information

CredentialPA
Graduation year2000
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1609844208
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