Quick answers
- Does Charles T. Karbon accept Medicare assignment?
- Yes. Medicare's clinician data says Charles T. Karbon 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 Charles T. Karbon see?
- In 2024, CMS data shows 310 Original Medicare patients and 319 services for Charles T. Karbon. This counts Original Medicare only and measures volume, not quality.
- What is Charles T. Karbon's NPI number?
- 1700896321. 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 Charles T. Karbon, 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 | 310 |
|---|---|
| Services billed to Medicare | 319 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Anesthesia for lens surgery (00142)163 services
- Anesthesia for other procedure on eye (00140)49 services
- Anesthesia for electroshock therapy (00104)22 services
- Anesthesia for procedure on eye for corneal transplant (00144)14 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 pressure74%
- High cholesterol72%
- Arthritis41%
- Diabetes29%
- Chronic kidney disease29%
- Anxiety27%
Hospitals where Charles T. Karbon works
Medicare's Facility Affiliation Data lists Charles T. Karbon 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.
- 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 Charles T. Karbon is enrolled with Medicare (CMS data updated October 2, 2026).
- 1000 Wall StAnn Arbor, MI 48105 (734) 936‑4000
- 14050 Dix Toledo RdSouthgate, MI 48195 (734) 281‑0100
- 1500 E Medical Ctr DrAnn Arbor, MI 48109 (734) 936‑4000
- 4270 Plymouth RdAnn Arbor, MI 48109 (734) 936‑4000
Group practices
Medicare enrollment lists Charles T. Karbon as a member of these groups (CMS data updated October 2, 2026).
- Regents of the University of Michigan3,346 clinicians in the group
- Metropolitan Anesthesia Consultants PLLC31 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Michigan →
Other nurse anesthetists 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 | CNA |
|---|---|
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1700896321 |
| 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