Quick answers
- Does Vann M. Miller accept Medicare assignment?
- Yes. Medicare's clinician data says Vann M. Miller 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 Vann M. Miller see?
- In 2024, CMS data shows 153 Original Medicare patients and 157 services for Vann M. Miller. This counts Original Medicare only and measures volume, not quality.
- What is Vann M. Miller's NPI number?
- 1336232842. 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 Vann M. Miller, 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 | 153 |
|---|---|
| Services billed to Medicare | 157 |
| Different services or procedures | 37 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Anesthesia for other procedure on large bowel using an endoscope (00811)34 services
- Anesthesia for exam of colon using an endoscope (00812)31 services
- Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)15 services
- Anesthesia for procedure on small and large bowel using an endoscope (00813)13 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 cholesterol74%
- High blood pressure69%
- Arthritis42%
- Diabetes24%
- Chronic kidney disease23%
- Osteoporosis20%
Hospitals where Vann M. Miller works
Medicare's Facility Affiliation Data lists Vann M. Miller 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 CastleKailua, HI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 120006
- Adventist Health Howard MemorialWillits, CA · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 051310
- Adventist Health Ukiah ValleyUkiah, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050301
- North Hawaii Community Hospital, IncKamuela, HI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 120028
Practice locations
Addresses where Vann M. Miller is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Marcela DrWillits, CA 95490 (707) 459‑6801
- 275 Hospital DrUkiah, CA 95482 (707) 462‑3111
- 3 Marcela Dr, Suite DWillits, CA 95490 (707) 459‑4220
- 640 Ulukahiki StKailua, HI 96734 (808) 263‑5500
- 67-1125 Mamalaho HwyKamuela, HI 96743 (808) 885‑4444
Group practices
Medicare enrollment lists Vann M. Miller as a member of these groups (CMS data updated October 2, 2026).
- Willits Hospital Inc67 clinicians in the group
- Medstream Anesthesia Hawaii LLC23 clinicians in the group
- Koolau Anesthesia Group LLC20 clinicians in the group
- Anesthesia Management Services of California Inc17 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), California →
Other nurse anesthetists in Willits
Clinicians with the same Medicare primary specialty in Willits, CA — not a recommendation.
Other clinicians in Willits Hospital Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1336232842 |
| 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