Steven Don Mickelson, PA
NPI 1477673804ActiveIndividual· Physician Assistant· Sonoma, CA
Physician Assistant (PA) in Sonoma, California, trained at Baylor College of Medicine (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $572,643 for 4,465 claims, against $1,114 paid for services in 2024. Pfizer Inc. was the largest of 6 companies reporting payments in 2025, $213.16 in all, mostly food and beverage.
Overview
| NPI | 1477673804 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Mar 30, 2007 |
| Last updated in NPPES | Apr 4, 2025 |
| Certified by provider | Apr 4, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA65992 | CA |
| Physician Assistant, Medical | 363AM0700X | PA05217 | TX |
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 - Physician Assistant (CA); Practitioner - Physician Assistant (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 86 |
|---|---|
| Services billed | 90 across 5 procedure codes |
| Paid by Medicare | $1,114 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,465 · 12,247 30-day fills |
|---|---|
| Patients | 948 |
| Total drug cost | $572,643 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Baylor College of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Regents Univ of California UCSFSan Francisco, CA · 283 clinicians
Hospital affiliations
- Marinhealth Medical CenterGreenbrae, CA
- Novato Community HospitalNovato, CA
- Sonoma Valley HospitalSonoma, CA
Industry payments (Open Payments)
- 2025$213.16 · 10 payments from 6 companies
- 2024$819.04 · 35 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $76.30 | 3 |
| Alnylam Pharmaceuticals Inc. | $38.93 | 1 |
| Amgen Inc. | $36.53 | 2 |
| Novartis Pharmaceuticals Corporation | $27.63 | 2 |
| B. Braun Interventional Systems Inc. | $17.42 | 1 |
What the 2025 payments were for
- Food and Beverage$213.16 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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