John Stephen Christensen, M.D.
NPI 1639158066ActiveIndividual· Internal Medicine· Richmond, VA
Internal Medicine (M.D.) in Richmond, Virginia, trained at Virginia Commonwealth University, School of Medicine (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $1,158,916 for 15,249 claims, against $230,690 paid for services in 2024. Pfizer Inc. was the largest of 20 companies reporting payments in 2025, $1,291 in all, mostly food and beverage.
Overview
| NPI | 1639158066 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 13, 2006 |
| Last updated in NPPES | Feb 3, 2021 |
| Certified by provider | Feb 3, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 0101056275 | VA |
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 (DC); Practitioner - Internal Medicine (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 714 |
|---|---|
| Services billed | 4,365 across 41 procedure codes |
| Paid by Medicare | $230,690 |
Part D prescriptions in 2024
| Prescriptions (claims) | 15,249 · 33,842 30-day fills |
|---|---|
| Patients | 988 |
| Total drug cost | $1,158,916 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Virginia Commonwealth University, School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Internal Medicine |
Medical group
- Privia Medical Group, LLCFairfax, VA · 1,533 clinicians
Hospital affiliations
- Bon Secours Memorial Regional Medical CenterMechanicsville, VA
- Bon Secours Richmond Community HospitalRichmond, VA
- Bon Secours St Francis Medical CenterMidlothian, VA
- Bon Secours St Marys HospitalRichmond, VA
- Henrico Doctors' HospitalRichmond, VA
Other facilities
- At Home CareHome health agency · Mechanicsvlle, VA
- Commonwealth Home CareHome health agency · Richmond, VA
- Westminster Canterbury CorporationHome health agency · Richmond, VA
- Sheltering Arms InstituteInpatient rehabilitation facility · Richmond, VA
- Westminster-Canterbury of RichmondNursing home · Richmond, VA
Industry payments (Open Payments)
- 2025$1,291 · 72 payments from 20 companies
- 2024$1,083 · 64 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $220.59 | 13 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $143.94 | 5 |
| Abbvie Inc. | $142.57 | 11 |
| Lilly USA, LLC | $112.35 | 6 |
| Novo Nordisk Inc | $102.32 | 5 |
What the 2025 payments were for
- Food and Beverage$1,291 · 72 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 620 internal medicine physicians in Richmond · All internal medicine physicians in Virginia