Terrence O'Malia, D.O.
NPI 1972738532 · Family Medicine Physician · Ronan, MT
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Terrence O'Malia, D.O. is a Family Medicine Physician provider in Ronan, MT (NPI 1972738532).
Provider details
- NPI number
- 1972738532
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 28105 (MT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
43 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Hemoglobin A1c Level83036 | 43 | $10 |
Typical Medicare-allowed amounts for these services range $10–$10 (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 · 53 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 111 | 32 |
| Omeprazole | 90 | 28 |
| Lisinopril | 71 | 22 |
| Atorvastatin Calcium | 67 | 21 |
| Apixabanbrand: Eliquis | 57 | — |
| Warfarin Sodium | 56 | — |
| Tamsulosin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$43 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-05-26
- Last updated
- 2021-04-26
- Certified
- 2021-04-26
Frequently asked questions
- What is Terrence O'Malia's NPI number?
- Terrence O'Malia's National Provider Identifier (NPI) is 1972738532, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Terrence O'Malia's specialty?
- Terrence O'Malia is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Terrence O'Malia located?
- Terrence O'Malia's practice location on file with NPPES is 107 6th Ave Sw, Ronan, MT 59864-2634.
- What is Terrence O'Malia's phone number?
- The practice phone number listed in the NPPES registry for Terrence O'Malia is (406) 676-4441.
- Does Terrence O'Malia accept Medicare?
- Terrence O'Malia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Terrence O'Malia's NPI active?
- Yes — Terrence O'Malia's NPI (1972738532) is active in the NPPES registry as of the last update on 2021-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.