Erik J. Geiger, MD
NPI 1255490199ActiveIndividual· Internal Medicine· Irvine, CA
Internal Medicine (MD) in Irvine, California, licensed in CA, with an NPI issued in December 2006. 847 Medicare patients in 2024, $476,245 paid; nearly all of their 321 Part D prescriptions were generic (96%). Otsuka America Pharmaceutical, Inc. reported $28.91 in payments in 2025, mostly food and beverage. Lists Providence Mission Hospital as a hospital affiliation.
Overview
| NPI | 1255490199 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 6, 2006 |
| Last updated in NPPES | Nov 22, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A84929 | CA |
| Hospitalist | 208M00000X | A84929 | 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 | 847 |
|---|---|
| Services billed | 10,714 across 20 procedure codes |
| Paid by Medicare | $476,245 |
Part D prescriptions in 2024
| Prescriptions (claims) | 321 · 477 30-day fills |
|---|---|
| Patients | 114 |
| Total drug cost | $7,510 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliation
- Providence Mission HospitalMission Viejo, CA
Industry payments (Open Payments)
- 2025$28.91 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $28.91 | 1 |
What the 2025 payments were for
- Food and Beverage$28.91 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Irvine
- 1003856204
- 1063033298
- 1073501565
- 1073630521
- 1093716151
- 1104808443
- 1164691549
- 1164748182
- 1184663932
- 1184688475
- 1205105913
- 1215001904
All 207 internal medicine physicians in Irvine · All internal medicine physicians in California