Zipporah Waithaka, FNP-BC
NPI 1508549320ActiveIndividual· Nurse Practitioner, Family· Chelmsford, MA
Nurse Practitioner, Family (FNP-BC) with New England Community Medical Services PLLC and 1 other group, practicing in Chelmsford, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $47,369 for 601 claims, against $15,395 paid for services in 2024. Acadia Pharmaceuticals Inc was the largest of 2 companies reporting payments in 2025, $85.42 in all, mostly food and beverage.
Overview
| NPI | 1508549320 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-BC |
| Sole proprietor | No |
| NPI issued | Aug 9, 2023 |
| Last updated in NPPES | May 29, 2025 |
| Certified by provider | May 29, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | RN2273122 | MA |
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 (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 106 |
|---|---|
| Services billed | 232 across 25 procedure codes |
| Paid by Medicare | $15,395 |
Part D prescriptions in 2024
| Prescriptions (claims) | 601 · 1,146 30-day fills |
|---|---|
| Patients | 149 |
| Total drug cost | $47,369 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- New England Community Medical Services PLLCChelmsford, MA · 55 clinicians
- Lawrence General Community Medical Service PLLCChelmsford, MA · 52 clinicians
Industry payments (Open Payments)
- 2025$85.42 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Acadia Pharmaceuticals Inc | $57.14 | 1 |
| Otsuka America Pharmaceutical, Inc. | $28.28 | 1 |
What the 2025 payments were for
- Food and Beverage$85.42 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 38 family nurse practitioners in Chelmsford · All family nurse practitioners in Massachusetts