Timothy Matthew Ryan, M.D.
NPI 1295759439ActiveIndividual· Anesthesiology· Orange, CA
Anesthesiology (M.D.) in Orange, California, trained at University of Minnesota Medical School (class of 1995). Medicare paid $30,445 for services to 140 patients in 2024. Merck Sharp & Dohme LLC was the largest of 2 companies reporting payments in 2024, $97.01 in all, mostly food and beverage.
Overview
| NPI | 1295759439 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 27, 2006 |
| Last updated in NPPES | Nov 19, 2025 |
| Certified by provider | Nov 19, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | A72433 | 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 - Anesthesiology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 140 |
|---|---|
| Services billed | 150 across 43 procedure codes |
| Paid by Medicare | $30,445 |
Education and affiliations
| Medical school | University of Minnesota Medical School |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Anesthesiology |
Medical groups
- Regents of the University ofOrange, CA · 239 clinicians
- Orange Coast Anesthesia IncGlendale, CA · 87 clinicians
Hospital affiliations
- Southern California Hospital at HollywoodHollywood, CA
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2024$97.01 · 5 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $65.15 | 3 |
| Chiesi USA, Inc. | $31.86 | 2 |
What the 2024 payments were for
- Food and Beverage$97.01 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 312 anesthesiologists in Orange · All anesthesiologists in California