Quick answers
- Does Michael C. Diesenhouse accept Medicare assignment?
- Yes. Medicare's clinician data says Michael C. Diesenhouse 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 Michael C. Diesenhouse see?
- In 2024, CMS data shows 231 Original Medicare patients and 820 services for Michael C. Diesenhouse. This counts Original Medicare only and measures volume, not quality.
- What is Michael C. Diesenhouse's NPI number?
- 1568548923. 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 Michael C. Diesenhouse, 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 | 231 |
|---|---|
| Services billed to Medicare | 820 |
| Different services or procedures | 23 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Measurement of corneal curvature and depth of eye (92136)246 services
- Removal of cataract with insertion of prosthetic lens (66984)192 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)184 services
- Removal of recurring cataract in lens capsule using a laser (66821)58 services
- Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye (66991)31 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 cholesterol75%
- High blood pressure61%
- Arthritis45%
- Diabetes23%
- Chronic kidney disease23%
- Depression21%
Practice locations
Addresses where Michael C. Diesenhouse is enrolled with Medicare (CMS data updated October 2, 2026).
- 5240 E Knight Dr, Suite 104Tucson, AZ 85712 (520) 795‑4202
- 6130 N La Cholla Blvd, Suite 245Tucson, AZ 85741 (520) 795‑4202
Group practices
Medicare enrollment lists Michael C. Diesenhouse as a member of this group (CMS data updated October 2, 2026).
- Eye Associates Ltd7 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Tucson
Clinicians with the same Medicare primary specialty in Tucson, AZ — not a recommendation.
Other clinicians in Eye Associates Ltd
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Emory University School Of Medicine |
| Graduation year | 1987 (39 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1568548923 |
| 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
- 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