Heather Mambretti, PA-C
NPI 1417243726ActiveIndividual· Physician Assistant· League City, TX
Physician Assistant (PA-C) with Prashanth R. Sunkureddi, M.D., P.A., practicing in League City, Texas. Their prescriptions cost Medicare Part D more than their services did: $660,158 for 896 claims, against $249,295 paid for services in 2024. Janssen Biotech, Inc. was the largest of 23 companies reporting payments in 2025, $64,068 in all, mostly speaking and faculty fees.
Overview
| NPI | 1417243726 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jun 24, 2011 |
| Last updated in NPPES | Jul 19, 2022 |
| Certified by provider | Jun 16, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA07324 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 171 |
|---|---|
| Services billed | 19,616 across 27 procedure codes |
| Paid by Medicare | $249,295 |
Part D prescriptions in 2024
| Prescriptions (claims) | 896 · 1,963 30-day fills |
|---|---|
| Patients | 250 |
| Total drug cost | $660,158 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Prashanth R. Sunkureddi, M.D., P.A.League City, TX · 5 clinicians
Industry payments (Open Payments)
- 2025$64,068 · 262 payments from 23 companies
- 2024$52,083 · 230 payments from 27 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $20,593 | 37 |
| Astrazeneca Pharmaceuticals LP | $13,752 | 33 |
| Genzyme Corporation | $7,595 | 15 |
| Janssen Scientific Affairs, LLC | $6,469 | 11 |
| Ucb, Inc. | $5,699 | 24 |
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$32,269 · 16 payments
- Consulting Fee$16,004 · 8 payments
- Travel and Lodging$8,470 · 29 payments
- Food and Beverage$7,294 · 208 payments
- Education$31.32 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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