Quick answers
- Does Annette C. Comes accept Medicare assignment?
- Yes. Medicare's clinician data says Annette C. Comes 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 Annette C. Comes see?
- In 2024, CMS data shows 256 Original Medicare patients and 586 services for Annette C. Comes. This counts Original Medicare only and measures volume, not quality.
- What is Annette C. Comes's NPI number?
- 1346247087. 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 Annette C. Comes, 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 | 256 |
|---|---|
| Services billed to Medicare | 586 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Insertion of needle into vein for collection of blood sample (36415)277 services
- Blood test, clotting time (85610)79 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)47 services
- Automated urinalysis test (81003)40 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)30 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 pressure64%
- High cholesterol57%
- Arthritis34%
- Chronic kidney disease32%
- Depression27%
- Diabetes22%
Hospitals where Annette C. Comes works
Medicare's Facility Affiliation Data lists Annette C. Comes 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.
- Billings Clinic HospitalBillings, MT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 270004
- Central Montana Medical CenterLewistown, MT · Critical Access Hospital · Emergency services: listed by Medicare · CCN 271345
- Great Falls Clinic HospitalGreat Falls, MT · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 270086
- Intermountain Health St Vincent Regional HospitalBillings, MT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 270049
Practice locations
Addresses where Annette C. Comes is enrolled with Medicare (CMS data updated October 2, 2026).
- 408 Wendell AveLewistown, MT 59457 (406) 535‑1502
Group practices
Medicare enrollment lists Annette C. Comes as a member of this group (CMS data updated October 2, 2026).
- Central Montana Medical Facilities Inc25 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Lewistown
Clinicians with the same Medicare primary specialty in Lewistown, MT — not a recommendation.
Other clinicians in Central Montana Medical Facilities Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Sanford School Of Medicine Of University Of South Dakota |
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346247087 |
| 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