Quick answers
- Does Marc F. Comaratta accept Medicare assignment?
- Yes. Medicare's clinician data says Marc F. Comaratta 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 Marc F. Comaratta see?
- In 2024, CMS data shows 1,164 Original Medicare patients and 18,288 services for Marc F. Comaratta. This counts Original Medicare only and measures volume, not quality.
- What is Marc F. Comaratta's NPI number?
- 1053679886. 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 Marc F. Comaratta, 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 | 1,164 |
|---|---|
| Services billed to Medicare | 18,288 |
| Different services or procedures | 41 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Imaging of retina (92134)4,229 services
- Injection, faricimab-svoa, 0.1 mg (J2777)4,142 services
- Established patient complete exam of visual system (92014)2,149 services
- Injection of drug into eye (67028)2,029 services
- Injection, ranibizumab, 0.1 mg (J2778)1,155 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 pressure61%
- High cholesterol59%
- Arthritis39%
- Diabetes21%
- Ischemic heart disease17%
- Depression16%
Hospitals where Marc F. Comaratta works
Medicare's Facility Affiliation Data lists Marc F. Comaratta 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.
- Bozeman Health Deaconess HospitalBozeman, MT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 270057
- Livingston HealthcareLivingston, MT · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 271317
Practice locations
Addresses where Marc F. Comaratta is enrolled with Medicare (CMS data updated October 2, 2026).
- 1940 W Dickerson St, Suite 103Bozeman, MT 59718 (406) 284‑2370
Group practices
Medicare enrollment lists Marc F. Comaratta as a member of this group (CMS data updated October 2, 2026).
- Marc F Comaratta MD PC2 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Bozeman
Clinicians with the same Medicare primary specialty in Bozeman, MT — not a recommendation.
Other clinicians in Marc F Comaratta MD PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York At Buffalo School Of Medicine |
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1053679886 |
| 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