James Christopher Knapp, M.D.
NPI 1033208145ActiveIndividual· Family Medicine· Turlock, CA
Family Medicine (M.D.) in Turlock, California, trained at University of California, Geffen School of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $1,208,327 for 14,629 claims, against $189,694 paid for services in 2024. Pfizer Inc. was the largest of 10 companies reporting payments in 2025, $292.30 in all, mostly food and beverage.
Overview
| NPI | 1033208145 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Oct 12, 2006 |
| Last updated in NPPES | Feb 18, 2020 |
| Certified by provider | Feb 18, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | G80371 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 766 |
|---|---|
| Services billed | 3,630 across 56 procedure codes |
| Paid by Medicare | $189,694 |
Part D prescriptions in 2024
| Prescriptions (claims) | 14,629 · 33,443 30-day fills |
|---|---|
| Patients | 942 |
| Total drug cost | $1,208,327 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Ronald Johanson, Thomas Wilson, James Maclaren PtrsTurlock, CA · 4 clinicians
Hospital affiliations
- Emanuel Medical CenterTurlock, CA
- Memorial Medical CenterModesto, CA
Other facilities
- Compassionate Care Home Health Agency, LLCHome health agency · Fresno, CA
- Covenant Care at HomeHome health agency · Turlock, CA
- Sutter Care at HomeHome health agency · Salida, CA
- Covenant Care HospiceHospice · Turlock, CA
- Covenant Village Care CenterNursing home · Turlock, CA
Industry payments (Open Payments)
- 2025$292.30 · 14 payments from 10 companies
- 2024$69.72 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $48.00 | 3 |
| Lilly USA, LLC | $45.00 | 1 |
| Amgen Inc. | $43.46 | 2 |
| Novo Nordisk Inc | $41.04 | 2 |
| Hologic Sales and Service, LLC | $23.92 | 1 |
What the 2025 payments were for
- Food and Beverage$247.30 · 13 payments
- Education$45.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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