Patrick Michael Yaffee, M.D.
NPI 1144587676ActiveIndividual· Internal Medicine· Calabasas, CA
Internal Medicine (M.D.) in Calabasas, California, trained at Georgetown University School of Medicine (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $159,584 for 2,266 claims, against $17,286 paid for services in 2024.
Overview
| NPI | 1144587676 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 22, 2012 |
| Last updated in NPPES | Dec 10, 2019 |
| Certified by provider | Dec 10, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A130871 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 98 |
|---|---|
| Services billed | 344 across 19 procedure codes |
| Paid by Medicare | $17,286 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,266 · 5,064 30-day fills |
|---|---|
| Patients | 329 |
| Total drug cost | $159,584 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Georgetown University School of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Regents of the University of CaliforniaWoodland Hills, CA · 87 clinicians
Hospital affiliations
- Ronald Reagan UCLA Medical CenterLos Angeles, CA
- UCLA West Valley Medical CenterWest Hills, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 21 internal medicine physicians in Calabasas · All internal medicine physicians in California