Quick answers
- Does Richard A. Isenberg accept Medicare assignment?
- Yes. Medicare's clinician data says Richard A. Isenberg 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 Richard A. Isenberg see?
- In 2024, CMS data shows 591 Original Medicare patients and 1,861 services for Richard A. Isenberg. This counts Original Medicare only and measures volume, not quality.
- What is Richard A. Isenberg's NPI number?
- 1669453452. 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 Richard A. Isenberg, 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 | 591 |
|---|---|
| Services billed to Medicare | 1,861 |
| Different services or procedures | 30 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient complete exam of visual system (92014)330 services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)240 services
- New patient complete exam of visual system (92004)138 services
- Established patient problem focused exam of visual system (92012)134 services
- Exam of visual field with extended testing (92083)120 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 pressure67%
- Arthritis49%
- Ischemic heart disease27%
- Osteoporosis21%
- Chronic kidney disease19%
Practice locations
Addresses where Richard A. Isenberg is enrolled with Medicare (CMS data updated October 2, 2026).
- 3700 N 24th St, Suite 150Phoenix, AZ 85016 (602) 263‑8098
Group practices
Medicare enrollment lists Richard A. Isenberg as a member of this group (CMS data updated October 2, 2026).
- Buena Vista Opthalmologists, P.C.2 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Phoenix
Clinicians with the same Medicare primary specialty in Phoenix, AZ — not a recommendation.
Other clinicians in Buena Vista Opthalmologists, P.C.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Utah School Of Medicine |
| Graduation year | 1985 (41 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1669453452 |
| 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