Margaret Ann Mathews-D'Avanzo
NPI 1013160399ActiveIndividual· Nurse Practitioner, Family· Delray Beach, FL
Nurse Practitioner, Family with Gastro Health, LLC, practicing in Delray Beach, Florida. Their prescriptions cost Medicare Part D more than their services did: $184,729 for 1,230 claims, against $66,346 paid for services in 2024. Abbvie Inc. was the largest of 17 companies reporting payments in 2025, $3,053 in all, mostly food and beverage. Lists Bethesda Hospital East and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1013160399 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Oct 30, 2008 |
| Last updated in NPPES | Oct 30, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 2157962 | FL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 633 |
|---|---|
| Services billed | 1,000 across 13 procedure codes |
| Paid by Medicare | $66,346 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,230 · 2,843 30-day fills |
|---|---|
| Patients | 492 |
| Total drug cost | $184,729 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Gastro Health, LLCOcoee, FL · 247 clinicians
Hospital affiliations
- Bethesda Hospital EastBoynton Beach, FL
- Boca Raton Regional HospitalBoca Raton, FL
- Delray Medical CenterDelray Beach, FL
Industry payments (Open Payments)
- 2025$3,053 · 109 payments from 17 companies
- 2024$2,832 · 132 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $717.19 | 24 |
| Janssen Biotech, Inc. | $444.86 | 17 |
| Takeda Pharmaceuticals U.S.A., Inc. | $320.57 | 13 |
| Ardelyx, Inc. | $299.59 | 11 |
| Phathom Pharmaceuticals, Inc. | $264.89 | 4 |
What the 2025 payments were for
- Food and Beverage$2,963 · 108 payments
- Education$89.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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