Stephen Patrick Markowski, AGPCNP
NPI 1366024523ActiveIndividual· Nurse Practitioner· Waltham, MA
Nurse Practitioner (AGPCNP) with Emerson Practice Associates, Inc, practicing in Waltham, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $923,031 for 4,944 claims, against $36,136 paid for services in 2024. Boston Scientific Corporation was the largest of 2 companies reporting payments in 2025, $83.81 in all, mostly food and beverage. Lists Emerson Hospital - as a hospital affiliation.
Overview
| NPI | 1366024523 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | AGPCNP |
| Sole proprietor | Yes |
| NPI issued | Apr 26, 2021 |
| Last updated in NPPES | May 12, 2026 |
| Certified by provider | May 12, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | RN2371065 | MA |
| Nurse Practitioner, Primary Care | 363LP2300X | 95015353 | CA |
| Registered Nurse | 163W00000X | RN2371065 | 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 (CA); Practitioner - Nurse Practitioner (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 360 |
|---|---|
| Services billed | 820 across 7 procedure codes |
| Paid by Medicare | $36,136 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,944 · 12,375 30-day fills |
|---|---|
| Patients | 1,647 |
| Total drug cost | $923,031 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Emerson Practice Associates, IncConcord, MA · 240 clinicians
Hospital affiliation
- Emerson Hospital -W Concord, MA
Industry payments (Open Payments)
- 2025$83.81 · 2 payments from 2 companies
- 2024$91.01 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $52.11 | 1 |
| Novartis Pharmaceuticals Corporation | $31.70 | 1 |
What the 2025 payments were for
- Food and Beverage$83.81 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 30 nurse practitioners in Waltham · All nurse practitioners in Massachusetts