Geoffrey Liang, D.O.
NPI 1083064091ActiveIndividual· Internal Medicine· Mission Hills, CA
Internal Medicine (D.O.) in Mission Hills, California, trained at Lake Erie College of Osteopathic Medicine, Erie (class of 2016). 142 Medicare patients in 2024, $51,748 paid; nearly all of their 269 Part D prescriptions were generic (93%). Zoll Services LLC (A/K/A Zoll Lifecor Corp) was the largest of 2 companies reporting payments in 2025, $196.71 in all, mostly food and beverage.
Overview
| NPI | 1083064091 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Jun 21, 2016 |
| Last updated in NPPES | Aug 28, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 20A17086 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 | 142 |
|---|---|
| Services billed | 489 across 7 procedure codes |
| Paid by Medicare | $51,748 |
Part D prescriptions in 2024
| Prescriptions (claims) | 269 · 273 30-day fills |
|---|---|
| Patients | 114 |
| Total drug cost | $12,566 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Lake Erie College of Osteopathic Medicine, Erie |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Internal Medicine |
Medical group
- Providence Facey Medical FoundationValencia, CA · 385 clinicians
Hospital affiliations
- Henry Mayo Newhall HospitalValencia, CA
- Providence Holy Cross Medical CenterMission Hills, CA
Industry payments (Open Payments)
- 2025$196.71 · 5 payments from 2 companies
- 2024$277.62 · 11 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $131.91 | 2 |
| Abbvie Inc. | $64.80 | 3 |
What the 2025 payments were for
- Food and Beverage$196.71 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Mission Hills
- 1003173071
- 1023268869
- 1043505969
- 1124300082
- 1154610897
- 1154854826
- 1174539100
- 1184121204
- 1205493608
- 1205855848
- 1235517533
- 1255587580
All 95 internal medicine physicians in Mission Hills · All internal medicine physicians in California