Sarah Marlyne Lake, NP
NPI 1558951475ActiveIndividual· Nurse Practitioner, Family· South Hadley, MA
Nurse Practitioner, Family (NP) in South Hadley, Massachusetts, trained at University of Massachusetts Medical School (class of 2020). Their prescriptions cost Medicare Part D more than their services did: $270,140 for 2,425 claims, against $33,613 paid for services in 2024. Baxter Healthcare was the largest of 2 companies reporting payments in 2024, $196.82 in all, mostly food and beverage.
Overview
| NPI | 1558951475 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Jan 25, 2021 |
| Last updated in NPPES | Oct 16, 2025 |
| Certified by provider | Oct 16, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | RN2298356 | 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 | 191 |
|---|---|
| Services billed | 458 across 29 procedure codes |
| Paid by Medicare | $33,613 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,425 · 5,000 30-day fills |
|---|---|
| Patients | 289 |
| Total drug cost | $270,140 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | University of Massachusetts Medical School |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Baystate Medical Practices IncSpringfield, MA · 1,369 clinicians
- Holyoke Medical Center IncHolyoke, MA · 205 clinicians
Hospital affiliations
- Baystate Medical CenterSpringfield, MA
- Baystate Noble HospitalWestfield, MA
- Baystate Wing HospitalPalmer, MA
- Holyoke Medical CenterHolyoke, MA
Industry payments (Open Payments)
- 2024$196.82 · 3 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Baxter Healthcare | $131.16 | 1 |
| E.R. Squibb & Sons, L.L.C. | $65.66 | 2 |
What the 2024 payments were for
- Food and Beverage$196.82 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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