Michael Larkin, D.O.
NPI 1639147788 · Cardiovascular Disease Physician · Altoona, PA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Larkin, D.O. is a Cardiovascular Disease Physician provider in Altoona, PA (NPI 1639147788).
Provider details
- NPI number
- 1639147788
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- OS006874L (PA)
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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
9,431 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) |
|---|---|---|
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System Or Implantable Defibrillator System, Remote Up to 90 Days93296 | 1,382 | $19 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 1,150 | $179 |
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System, Remote Up to 90 Days93294 | 1,010 | $28 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439 | 939 | $44 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 816 | $58 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 59 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 1,110 | 280 |
| Apixabanbrand: Eliquis | 1,078 | 192 |
| Atorvastatin Calcium | 342 | 103 |
| Lisinopril | 342 | 81 |
| Furosemide | 330 | 90 |
| Rivaroxabanbrand: Xarelto | 295 | 63 |
| Amlodipine Besylate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$996 across 26 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
Additional practice locations (1)
- 1227 Warm Springs AveHuntingdon, PA 16652-2300Phone: (814) 643-8478
Registry dates
- Enumerated
- 2006-03-14
- Last updated
- 2022-12-22
- Certified
- 2022-12-22
Frequently asked questions
- What is Michael Larkin's NPI number?
- Michael Larkin's National Provider Identifier (NPI) is 1639147788, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Larkin's specialty?
- Michael Larkin is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Larkin located?
- Michael Larkin's practice location on file with NPPES is 1321 11th Avenue, Altoona, PA 16601-3301.
- What is Michael Larkin's phone number?
- The practice phone number listed in the NPPES registry for Michael Larkin is (814) 942-2411.
- Does Michael Larkin accept Medicare?
- Michael Larkin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Larkin's NPI active?
- Yes — Michael Larkin's NPI (1639147788) is active in the NPPES registry as of the last update on 2022-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.