Quick answers
- Does James B. Froehlich accept Medicare assignment?
- Yes. Medicare's clinician data says James B. Froehlich 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 James B. Froehlich see?
- In 2024, CMS data shows 851 Original Medicare patients and 1,171 services for James B. Froehlich. This counts Original Medicare only and measures volume, not quality.
- What is James B. Froehlich's NPI number?
- 1821174954. 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 James B. Froehlich, 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 | 851 |
|---|---|
| Services billed to Medicare | 1,171 |
| Different services or procedures | 34 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Ultrasound study of arm or leg veins with compression and maneuvers (93970)222 services
- Ultrasound of both sides of head and neck blood flow (93880)153 services
- Complete ultrasound study of arm and leg arteries (93923)119 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)83 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)74 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%
- High cholesterol73%
- Arthritis50%
- Ischemic heart disease45%
- Chronic kidney disease38%
- Diabetes36%
Hospitals where James B. Froehlich works
Medicare's Facility Affiliation Data lists James B. Froehlich 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.
- Beaumont Hospital Royal OakRoyal Oak, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230130
- Beaumont Hospital, TroyTroy, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230269
- Edward W Sparrow HospitalLansing, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230230
- ProMedica Charles and Virginia Hickman HospitalAdrian, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230005
- University of Michigan Health SystemAnn Arbor, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230046
Practice locations
Addresses where James B. Froehlich is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 19; the Medicare profile lists all.
- 1051 N Canton Cntr Rd, University of Michigan Med Peds AssociationAnn Arbor, MI 48187 (734) 844‑5400
- 1051 N Canton CtrCanton, MI 48187 (734) 844‑5390
- 1051 N Canton Ctr RdCanton, MI 48187
- 1051 N Canton Ctr Rd, Umhs Canton Health CenterCanton, MI 48187
- 1500 E Medical Ctr DrAnn Arbor, MI 48109
Group practices
Medicare enrollment lists James B. Froehlich as a member of this group (CMS data updated October 2, 2026).
- Regents of the University of Michigan3,346 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Michigan →
Other cardiologists in Ann Arbor
Clinicians with the same Medicare primary specialty in Ann Arbor, MI — not a recommendation.
Other clinicians in Regents of the University of Michigan
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Geisel School Of Medicine At Dartmouth |
| Graduation year | 1986 (40 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1821174954 |
| 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