Lauren Rose Ammerman, MD
NPI 1548651177ActiveIndividual· Internal Medicine· Stanford, CA
Internal Medicine (MD) in Stanford, California, trained at Northwestern University Feinberg Medical School (class of 2018). Mostly services rather than prescriptions: Medicare paid $21,747 for 73 patients in 2024, with only 18 Part D claims.
Overview
| NPI | 1548651177 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 18, 2015 |
| Last updated in NPPES | Oct 7, 2021 |
| Certified by provider | Oct 7, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD475646 | PA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 73 |
|---|---|
| Services billed | 256 across 8 procedure codes |
| Paid by Medicare | $21,747 |
Part D prescriptions in 2024
| Prescriptions (claims) | 18 · 18 30-day fills |
|---|---|
| Patients | 11 |
| Total drug cost | $2,992 |
| Generic share | 72% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Internal Medicine |
Medical group
- Jefferson University PhysiciansPhiladelphia, PA · 1,531 clinicians
Hospital affiliation
- Thomas Jefferson University HospitalPhiladelphia, PA
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 394 internal medicine physicians in Stanford · All internal medicine physicians in California