Quick answers
- Does James G. Cawthorne accept Medicare assignment?
- Yes. Medicare's clinician data says James G. Cawthorne 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 G. Cawthorne see?
- In 2024, CMS data shows 262 Original Medicare patients and 310 services for James G. Cawthorne. This counts Original Medicare only and measures volume, not quality.
- What is James G. Cawthorne's NPI number?
- 1558681114. 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 G. Cawthorne, 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 | 262 |
|---|---|
| Services billed to Medicare | 310 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)137 services
- Emergency department visit with moderate level of medical decision making (99284)46 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)30 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)20 services
- Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza (87428)16 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 cholesterol74%
- Arthritis55%
- Anxiety44%
- Depression40%
- Ischemic heart disease37%
Hospitals where James G. Cawthorne works
Medicare's Facility Affiliation Data lists James G. Cawthorne 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.
- St Joe Mercy Hospital System LivoniaLivonia, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 230002
Practice locations
Addresses where James G. Cawthorne is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.
- 19000 St Joes PkwyLivonia, MI 48152
- 202 W Highland RdHowell, MI 48843
- 23200 Pontiac TrlSouth Lyon, MI 48178
- 4200 Whitehall DrAnn Arbor, MI 48105
- 44428 Woodward Ave, Suite 102Pontiac, MI 48341 (734) 712‑8700
Group practices
Medicare enrollment lists James G. Cawthorne as a member of this group (CMS data updated October 2, 2026).
- Iha Health Services Corporation1,168 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Livonia
Clinicians with the same Medicare primary specialty in Livonia, MI — not a recommendation.
Other clinicians in Iha Health Services Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| School | Wayne State University School Of Medicine |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558681114 |
| 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