Miki Watanabe, M.D.
NPI 1366634966ActiveIndividual· Hospitalist· Orange, CA
Hospitalist (M.D.) with The Regents of the University of California-Irvine, practicing in Orange, California. In 2024 Medicare paid $44,503 for 161 patients, and Part D covered 83 of their prescriptions, 86% of them generic. Lists Uci Health-Orange as a hospital affiliation.
Overview
| NPI | 1366634966 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 16, 2007 |
| Last updated in NPPES | Jul 29, 2024 |
| Certified by provider | Jul 29, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | A102318 | CA |
| Internal Medicine | 207R00000X | MD165733 | OR |
| Internal Medicine | 207R00000X | 49294 | CO |
| Internal Medicine | 207R00000X | MT186972 | PA |
| Internal Medicine, Infectious Disease | 207RI0200X | A102318 | CA |
| Hospitalist | 208M00000X | 49294 | CO |
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 | 161 |
|---|---|
| Services billed | 449 across 16 procedure codes |
| Paid by Medicare | $44,503 |
Part D prescriptions in 2024
| Prescriptions (claims) | 83 · 96 30-day fills |
|---|---|
| Patients | 36 |
| Total drug cost | $4,646 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- The Regents of the University of California-IrvineOrange, CA · 125 clinicians
Hospital affiliation
- Uci Health-OrangeOrange, 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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