Maria Louise Stamp, MD
NPI 1902836984ActiveIndividual· Family Medicine· Valparaiso, IN
Family Medicine (MD) in Valparaiso, Indiana, trained at Indiana University School of Medicine (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $60,165 for 317 claims, against $3,350 paid for services in 2024.
Overview
| NPI | 1902836984 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 4, 2006 |
| Last updated in NPPES | Sep 18, 2020 |
| Certified by provider | Sep 18, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 01068785A | IN |
| Emergency Medicine | 207P00000X | M8681 | ID |
| Family Medicine | 207Q00000X | MD00043551 | WA |
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 (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 58 |
|---|---|
| Services billed | 110 across 17 procedure codes |
| Paid by Medicare | $3,350 |
Part D prescriptions in 2024
| Prescriptions (claims) | 317 · 321 30-day fills |
|---|---|
| Patients | 259 |
| Total drug cost | $60,165 |
| Generic share | 27% of claims |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Family Practice |
Medical groups
- Porter Physician Services LLCValparaiso, IN · 99 clinicians
- La Porte Clinic Company LLCKnox, IN · 69 clinicians
Hospital affiliations
- Northwest Health - PorterValparaiso, IN
- Northwest Health-La PorteLa Porte, IN
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 44 family medicine physicians in Valparaiso · All family medicine physicians in Indiana