Quick answers
- Does Michael M. Fountain accept Medicare assignment?
- Yes. Medicare's clinician data says Michael M. Fountain 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 M. Fountain see?
- In 2024, CMS data shows 288 Original Medicare patients and 363 services for Michael M. Fountain. This counts Original Medicare only and measures volume, not quality.
- What is Michael M. Fountain's NPI number?
- 1073023115. 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 M. Fountain, 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 | 288 |
|---|---|
| Services billed to Medicare | 363 |
| Different services or procedures | 40 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Emergency department visit with moderate level of medical decision making (99284)145 services
- Emergency department visit with high level of medical decision making (99285)113 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)17 services
- Emergency department visit with low level of medical decision making (99283)17 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 cholesterol67%
- High blood pressure63%
- Arthritis41%
- Diabetes23%
- Chronic kidney disease23%
- Atrial fibrillation20%
Practice locations
Addresses where Michael M. Fountain is enrolled with Medicare (CMS data updated October 2, 2026).
- 1190 Waianuenue AveHilo, HI 96720 (808) 974‑6800
- 73 -4976 Kamanu St, Suite 110Kailua Kona, HI 96740 (808) 300‑3441
Group practices
Medicare enrollment lists Michael M. Fountain as a member of these groups (CMS data updated October 2, 2026).
- Hawaii Emergency Physicians Associated Inc120 clinicians in the group
- Ac Med LLC4 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Hilo
Clinicians with the same Medicare primary specialty in Hilo, HI — not a recommendation.
Other clinicians in Hawaii Emergency Physicians Associated Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1073023115 |
| 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