Michael Sullivan, MD
NPI 1598722381ActiveIndividual· Anesthesiology· Duarte, CA
Anesthesiology (MD) in Duarte, California, trained at Creighton University School of Medicine (class of 1990). Medicare paid $29,647 for services to 147 patients in 2024. Merck Sharp & Dohme LLC was the largest of 3 companies reporting payments in 2025, $96.98 in all, mostly food and beverage.
Overview
| NPI | 1598722381 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 27, 2006 |
| Last updated in NPPES | Nov 13, 2020 |
| Certified by provider | Nov 13, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | G73318 | CA |
| Emergency Medicine | 207P00000X | G73318 | 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 | 147 |
|---|---|
| Services billed | 197 across 45 procedure codes |
| Paid by Medicare | $29,647 |
Education and affiliations
| Medical school | Creighton University School of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Anesthesiology |
Medical group
- City of Hope Medical FoundationDuarte, CA · 982 clinicians
Industry payments (Open Payments)
- 2025$96.98 · 4 payments from 3 companies
- 2024$517.75 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $53.44 | 2 |
| Cumberland Pharmaceuticals, Inc. | $23.79 | 1 |
| Heron Therapeutics, Inc. | $19.75 | 1 |
What the 2025 payments were for
- Food and Beverage$96.98 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 36 anesthesiologists in Duarte · All anesthesiologists in California