Gladys Happi
NPI 1548598519ActiveIndividual· Nurse Practitioner, Family· Columbia, MD
Nurse Practitioner, Family with Imran H Chowdhury MD PA and 1 other group, practicing in Columbia, Maryland. Their prescriptions cost Medicare Part D more than their services did: $21,455 for 177 claims, against $12,022 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 6 companies reporting payments in 2025, $642.87 in all, mostly food and beverage.
Overview
| NPI | 1548598519 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Dec 2, 2009 |
| Last updated in NPPES | Mar 2, 2026 |
| Certified by provider | Mar 2, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | R147833 | MD |
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 (DC); Practitioner - Nurse Practitioner (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 90 |
|---|---|
| Services billed | 193 across 12 procedure codes |
| Paid by Medicare | $12,022 |
Part D prescriptions in 2024
| Prescriptions (claims) | 177 · 291 30-day fills |
|---|---|
| Patients | 34 |
| Total drug cost | $21,455 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Imran H Chowdhury MD PAColumbia, MD · 18 clinicians
- Happy Medical Care and ClinicColumbia, MD · 2 clinicians
Industry payments (Open Payments)
- 2025$642.87 · 8 payments from 6 companies
- 2024$476.06 · 11 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $236.60 | 3 |
| Pfizer Inc. | $125.00 | 1 |
| Ardelyx, Inc. | $121.84 | 1 |
| Axsome Therapeutics, Inc. | $121.52 | 1 |
| Boston Scientific Corporation | $20.35 | 1 |
What the 2025 payments were for
- Food and Beverage$642.87 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 165 family nurse practitioners in Columbia · All family nurse practitioners in Maryland