Jan O. Sonander, MD
NPI 1982763959ActiveIndividual· Family Medicine· Santa Rosa, CA
Family Medicine (MD) in Santa Rosa, California, trained at University of California, Davis School of Medicine (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $764,071 for 9,912 claims, against $219,321 paid for services in 2024. Lilly USA, LLC was the largest of 5 companies reporting payments in 2025, $168.13 in all, mostly food and beverage.
Overview
| NPI | 1982763959 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Dec 6, 2006 |
| Last updated in NPPES | Aug 26, 2025 |
| Certified by provider | Aug 26, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | G56178 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 464 |
|---|---|
| Services billed | 2,700 across 65 procedure codes |
| Paid by Medicare | $219,321 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,912 · 19,744 30-day fills |
|---|---|
| Patients | 436 |
| Total drug cost | $764,071 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of California, Davis School of Medicine |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Family Practice |
Medical group
- American Specialty Physicians Group IncColusa, CA · 100 clinicians
Hospital affiliations
- Providence Santa Rosa Memorial HospitalSanta Rosa, CA
- Sutter Santa Rosa Regional HospitalSanta Rosa, CA
Other facilities
- Accentcare Home Health of California, IncHome health agency · San Ramon, CA
- Blc Homehealth IncHome health agency · San Leandro, CA
- Gateway Home Health Corp.Home health agency · San Ramon, CA
- Providence at Home With Compassus Home Health, SonomaHome health agency · Santa Rosa, CA
- Sutter Care at HomeHome health agency · Santa Rosa, CA
- Sonoma Specialty HospitalLong-term care hospital · Sebastopol, CA
Industry payments (Open Payments)
- 2025$168.13 · 7 payments from 5 companies
- 2024$83.31 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $48.33 | 2 |
| Exact Sciences Corporation | $40.90 | 2 |
| Amgen Inc. | $34.57 | 1 |
| Abbvie Inc. | $26.25 | 1 |
| Novo Nordisk Inc | $18.08 | 1 |
What the 2025 payments were for
- Food and Beverage$168.13 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 298 family medicine physicians in Santa Rosa · All family medicine physicians in California