Quick answers
- Does Michael H. Maiman accept Medicare assignment?
- Yes. Medicare's clinician data says Michael H. Maiman 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 H. Maiman see?
- In 2024, CMS data shows 4,396 Original Medicare patients and 8,169 services for Michael H. Maiman. This counts Original Medicare only and measures volume, not quality.
- What is Michael H. Maiman's NPI number?
- 1588659882. 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 H. Maiman, 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 | 4,396 |
|---|---|
| Services billed to Medicare | 8,169 |
| Different services or procedures | 209 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- X-ray of chest, 1 view (71045)1,272 services
- Screening mammography (77067)682 services
- Screening 3d breast mammography (77063)670 services
- X-ray of chest, 2 views (71046)656 services
- Dxa bone density measurement of hip, pelvis, spine (77080)262 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 pressure72%
- High cholesterol70%
- Arthritis49%
- Diabetes25%
- Anxiety25%
- Depression22%
Hospitals where Michael H. Maiman works
Medicare's Facility Affiliation Data lists Michael H. Maiman 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.
- Adventist Health SonoraSonora, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 050335
- Doctors Medical CenterModesto, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050464
- Mark Twain Medical CenterSan Andreas, CA · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 051332
- Stanford Health CareStanford, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050441
Practice locations
Addresses where Michael H. Maiman is enrolled with Medicare (CMS data updated October 2, 2026).
- 1000 Greenley RdSonora, CA 95370 (855) 504‑4544
- 900 Mono WaySonora, CA 95370 (855) 504‑4544
Group practices
Medicare enrollment lists Michael H. Maiman as a member of this group (CMS data updated October 2, 2026).
- Jason L Hwang MD Inc53 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Sonora
Clinicians with the same Medicare primary specialty in Sonora, CA — not a recommendation.
Other clinicians in Jason L Hwang MD Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 1975 (51 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588659882 |
| 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