James Attarian, MD
NPI 1144209198 · Internal Medicine Physician · Bozeman, MT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Attarian, MD is a Internal Medicine Physician provider in Bozeman, MT (NPI 1144209198).
Provider details
- NPI number
- 1144209198
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 33021 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
49 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 32 | $74 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 17 | $77 |
Typical Medicare-allowed amounts for these services range $74–$77 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levofloxacin | 44 | 42 |
| Prednisone | 32 | 29 |
| Furosemide | 28 | 18 |
| Potassium Chloride | 27 | 16 |
| Amlodipine Besylate | 21 | — |
| Losartan Potassium | 19 | — |
| Methenamine Hippurate | 18 | — |
| Hydralazine Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-10
- Last updated
- 2007-10-12
Frequently asked questions
- What is James Attarian's NPI number?
- James Attarian's National Provider Identifier (NPI) is 1144209198, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Attarian's specialty?
- James Attarian is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Attarian located?
- James Attarian's practice location on file with NPPES is 915 Highland Blvd, Bozeman, MT 59715-6902.
- What is James Attarian's phone number?
- The practice phone number listed in the NPPES registry for James Attarian is (406) 522-2400.
- Does James Attarian accept Medicare?
- James Attarian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Attarian's NPI active?
- Yes — James Attarian's NPI (1144209198) is active in the NPPES registry as of the last update on 2007-10-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.