Matthew E. Sitzer, MD
NPI 1871641860ActiveIndividual· Internal Medicine, Gastroenterology· San Diego, CA
Internal Medicine, Gastroenterology (MD) in San Diego, California, trained at University of California, San Diego School of Medicine (class of 1986). Part D covered 954 prescriptions written in 2024, 93% of them generic. Takeda Pharmaceuticals U.S.A., Inc. reported $28.28 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1871641860 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 8, 2007 |
| Last updated in NPPES | Dec 1, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | G62045 | 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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 954 · 2,099 30-day fills |
|---|---|
| Patients | 457 |
| Total drug cost | $234,461 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | University of California, San Diego School of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Internal Medicine |
Medical groups
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
- Barton Medical FoundationStateline, NV · 105 clinicians
Hospital affiliation
- Barton Memorial HospitalSouth Lake Tahoe, CA
Industry payments (Open Payments)
- 2025$28.28 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $28.28 | 1 |
What the 2025 payments were for
- Food and Beverage$28.28 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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