Jeremy Ian Grosser, M.D.
NPI 1235123373ActiveIndividual· Internal Medicine· Canoga Park, CA
Internal Medicine (M.D.) in Canoga Park, California, trained at Temple University School of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $205,477 for 2,171 claims, against $49,867 paid for services in 2024. Otsuka America Pharmaceutical, Inc. reported $24.85 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1235123373 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 5, 2005 |
| Last updated in NPPES | Sep 4, 2022 |
| Certified by provider | Sep 4, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A67128 | 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 | 258 |
|---|---|
| Services billed | 570 across 14 procedure codes |
| Paid by Medicare | $49,867 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,171 · 2,213 30-day fills |
|---|---|
| Patients | 137 |
| Total drug cost | $205,477 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | Temple University School of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospice/Palliative Care |
Hospital affiliation
- Northridge Hospital Medical CenterNorthridge, CA
Other facilities
- True Care Home Health Services, IncHome health agency · Canoga Park, CA
- True Care Hospice of Northern California, IncHospice · Citrus Heights, CA
- True Care Hospice Southern California, IncHospice · Canoga Park, CA
- True Care Hospice, Inc.Hospice · Canoga Park, CA
- Canyon Oaks Nursing and Rehabilitation CenterNursing home · Canoga Park, CA
- Joyce Eisenberg Keefer Medical Center D/P SnfNursing home · Reseda, CA
Industry payments (Open Payments)
- 2025$24.85 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $24.85 | 1 |
What the 2025 payments were for
- Food and Beverage$24.85 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 23 internal medicine physicians in Canoga Park · All internal medicine physicians in California