Quick answers
- Does Jennifer Gangnier accept Medicare assignment?
- Yes. Medicare's clinician data says Jennifer Gangnier 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 Jennifer Gangnier see?
- In 2024, CMS data shows 266 Original Medicare patients and 1,393 services for Jennifer Gangnier. This counts Original Medicare only and measures volume, not quality.
- What is Jennifer Gangnier's NPI number?
- 1265635155. 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 Jennifer Gangnier, 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 patients | 266 |
|---|---|
| Services billed to Medicare | 1,393 |
| Different services or procedures | 34 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)393 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)246 services
- Destruction of skin growth, 1-14 growths (17110)151 services
- Destruction of precancer skin growth, 1 growth (17000)142 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)72 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 cholesterol72%
- High blood pressure66%
- Arthritis38%
- Ischemic heart disease26%
- Chronic kidney disease21%
- Osteoporosis21%
Hospitals where Jennifer Gangnier works
Medicare's Facility Affiliation Data lists Jennifer Gangnier 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.
- Trinity Health Ann Arbor HospitalAnn Arbor, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230156
- Trinity Health Livingston HospitalBrighton, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230069
Practice locations
Addresses where Jennifer Gangnier is enrolled with Medicare (CMS data updated October 2, 2026).
- 2305 Genoa Business Park Dr, Suite 180Brighton, MI 48114 (810) 355‑4300
Group practices
Medicare enrollment lists Jennifer Gangnier as a member of this group (CMS data updated October 2, 2026).
- Dermatology and Phototherapy Center of Brighton PLC9 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Brighton
Clinicians with the same Medicare primary specialty in Brighton, MI — not a recommendation.
Other clinicians in Dermatology and Phototherapy Center of Brighton PLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2007 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1265635155 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians