Patrick C. Ahearn, MD
NPI 1972878072ActiveIndividual· Internal Medicine, Nephrology· Stanford, CA
Internal Medicine, Nephrology (MD) with Stanford Health Care, practicing in Stanford, California. Their prescriptions cost Medicare Part D more than their services did: $177,200 for 1,317 claims, against $79,473 paid for services in 2024. Lists Stanford Health Care and 1 other hospital as hospital affiliations.
Overview
| NPI | 1972878072 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 21, 2012 |
| Last updated in NPPES | Apr 17, 2024 |
| Certified by provider | Apr 17, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A129551 | CA |
| Internal Medicine | 207R00000X | A129551 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 244 |
|---|---|
| Services billed | 806 across 16 procedure codes |
| Paid by Medicare | $79,473 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,317 · 1,581 30-day fills |
|---|---|
| Patients | 106 |
| Total drug cost | $177,200 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliations
- Stanford Health CareStanford, CA
- Stanford Health Care Tri-ValleyPleasanton, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Nephrology providers in Stanford
- 1306896758
- 1760644678
- 1932238326
- 1104117407
- 1730118738
- 1629343033
- 1902190721
- 1427552488
- 1437166592
- 1689099715
- 1558656231
- 1407823875