Douglas Severance, M.D.
NPI 1639289838ActiveIndividual· Family Medicine· San Ramon, CA
Family Medicine (M.D.) in San Ramon, California, trained at Loma Linda University School of Medicine (class of 1976). Their prescriptions cost Medicare Part D more than their services did: $1,090,840 for 8,011 claims, against $235,148 paid for services in 2024. Novo Nordisk Inc was the largest of 20 companies reporting payments in 2025, $1,640 in all, mostly food and beverage.
Overview
| NPI | 1639289838 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 30, 2006 |
| Last updated in NPPES | Aug 13, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | G35610 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 536 |
|---|---|
| Services billed | 3,491 across 69 procedure codes |
| Paid by Medicare | $235,148 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,011 · 17,686 30-day fills |
|---|---|
| Patients | 655 |
| Total drug cost | $1,090,840 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 1976 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Family Practice |
| Telehealth | Offers telehealth |
Hospital affiliations
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
- San Ramon Regional Medical CenterSan Ramon, CA
- Stanford Health Care Tri-ValleyPleasanton, CA
Other facilities
- Accentcare Home Health of California, IncHome health agency · San Ramon, CA
Industry payments (Open Payments)
- 2025$1,640 · 84 payments from 20 companies
- 2024$2,222 · 106 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $402.57 | 33 |
| Lilly USA, LLC | $185.56 | 7 |
| Astrazeneca Pharmaceuticals LP | $152.14 | 6 |
| Exact Sciences Corporation | $108.69 | 4 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $108.23 | 5 |
What the 2025 payments were for
- Food and Beverage$1,640 · 84 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 46 family medicine physicians in San Ramon · All family medicine physicians in California