Janine Jo Chamberlin, M.D.
NPI 1225210016ActiveIndividual· Family Medicine· Brea, CA
Family Medicine (M.D.) in Brea, California, trained at Loyola University of Chicago, Stritch School of Medicine (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $745,227 for 6,954 claims, against $42,211 paid for services in 2024. Amgen Inc. was the largest of 4 companies reporting payments in 2024, $130.75 in all, mostly food and beverage.
Overview
| NPI | 1225210016 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Dec 3, 2007 |
| Last updated in NPPES | Oct 8, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A104263 | 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 | 201 |
|---|---|
| Services billed | 546 across 27 procedure codes |
| Paid by Medicare | $42,211 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,954 · 16,193 30-day fills |
|---|---|
| Patients | 499 |
| Total drug cost | $745,227 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical groups
- Regents of the University of CaliforniaOrange, CA · 60 clinicians
- Regents of the University ofOrange, CA · 30 clinicians
Hospital affiliations
- Providence St. Jude Medical CenterFullerton, CA
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2024$130.75 · 5 payments from 4 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $66.54 | 2 |
| Lilly USA, LLC | $27.95 | 1 |
| Novo Nordisk Inc | $18.90 | 1 |
| Glaxosmithkline, LLC. | $17.36 | 1 |
What the 2024 payments were for
- Food and Beverage$130.75 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 59 family medicine physicians in Brea · All family medicine physicians in California