Jenna Joelle Brimmer, M.D.
NPI 1295703775ActiveIndividual· Internal Medicine· Alameda, CA
Internal Medicine (M.D.) in Alameda, California, trained at University of California, Davis School of Medicine (class of 2001). 240 Medicare patients in 2024, $272,980 paid; nearly all of their 109 Part D prescriptions were generic (95%). Kerecis Limited was the largest of 7 companies reporting payments in 2025, $815.29 in all, mostly food and beverage.
Overview
| NPI | 1295703775 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 9, 2006 |
| Last updated in NPPES | Sep 3, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A81625 | 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 | 240 |
|---|---|
| Services billed | 4,763 across 20 procedure codes |
| Paid by Medicare | $272,980 |
Part D prescriptions in 2024
| Prescriptions (claims) | 109 · 114 30-day fills |
|---|---|
| Patients | 57 |
| Total drug cost | $5,265 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | University of California, Davis School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Internal Medicine |
Hospital affiliations
- Alameda HospitalAlameda, CA
- Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CA
- Highland HospitalOakland, CA
- Sutter Delta Medical CenterAntioch, CA
Other facilities
- Centerwell Asian American Home HealthHome health agency · Alameda, CA
- Comfort Assisting, IncHome health agency · Walnut Creek, CA
- Gateway Home Health Corp.Home health agency · San Ramon, CA
- Golden Pacific Home Health, IncHome health agency · Alameda, CA
Industry payments (Open Payments)
- 2025$815.29 · 34 payments from 7 companies
- 2024$30.77 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Kerecis Limited | $378.24 | 24 |
| Smith+nephew, Inc. | $147.31 | 2 |
| Organogenesis Inc. | $133.57 | 2 |
| Solventum Corporation | $72.35 | 3 |
| Mimedx Group, Inc. | $33.66 | 1 |
What the 2025 payments were for
- Food and Beverage$815.29 · 34 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 42 internal medicine physicians in Alameda · All internal medicine physicians in California