Tammy Harper, NP-C
NPI 1164537023ActiveIndividual· Nurse Practitioner, Adult Health· Los Angeles, CA
Nurse Practitioner, Adult Health (NP-C) in Los Angeles, California, trained at University of California, Geffen School of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $331,844 for 1,045 claims, against $9,030 paid for services in 2024. Ipsen Biopharmaceuticals, Inc was the largest of 4 companies reporting payments in 2025, $10,617 in all, mostly speaking and faculty fees.
Overview
| NPI | 1164537023 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP-C |
| Sole proprietor | No |
| NPI issued | Aug 20, 2006 |
| Last updated in NPPES | Nov 27, 2023 |
| Certified by provider | Sep 23, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | NP10908 | 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 - Nurse Practitioner (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 122 |
|---|---|
| Services billed | 205 across 5 procedure codes |
| Paid by Medicare | $9,030 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,045 · 1,459 30-day fills |
|---|---|
| Patients | 119 |
| Total drug cost | $331,844 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Usc Care Medical Group IncLos Angeles, CA · 1,380 clinicians
Hospital affiliation
- Keck Hospital of UscLos Angeles, CA
Industry payments (Open Payments)
- 2025$10,617 · 20 payments from 4 companies
- 2024$289.64 · 8 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ipsen Biopharmaceuticals, Inc | $10,440 | 16 |
| Madrigal Pharmaceuticals | $114.64 | 1 |
| Abbott Laboratories | $45.63 | 2 |
| Ferring Pharmaceuticals Inc. | $16.80 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$7,812 · 6 payments
- Travel and Lodging$2,067 · 6 payments
- Food and Beverage$737.89 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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