Claudia Carvajal Guillen, RN, CNP
NPI 1295153369ActiveIndividual· Nurse Practitioner· Chelsea, MA
Nurse Practitioner (RN, CNP) with Massachusetts General Physicians Organization Inc and 1 other group, practicing in Chelsea, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $47,334 for 603 claims, against $10,486 paid for services in 2024. Glaxosmithkline, LLC. reported $89.45 in payments in 2024, mostly food and beverage. Lists Massachusetts General Hospital as a hospital affiliation.
Overview
| NPI | 1295153369 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | RN, CNP |
| Sole proprietor | No |
| NPI issued | Apr 4, 2014 |
| Last updated in NPPES | Jan 8, 2020 |
| Certified by provider | Jan 8, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | RN2281078 | MA |
| Registered Nurse | 163W00000X | RN2281078 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 92 |
|---|---|
| Services billed | 172 across 4 procedure codes |
| Paid by Medicare | $10,486 |
Part D prescriptions in 2024
| Prescriptions (claims) | 603 · 1,357 30-day fills |
|---|---|
| Patients | 85 |
| Total drug cost | $47,334 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Massachusetts General Physicians Organization IncBoston, MA · 3,558 clinicians
- The General Hospital CorporationBoston, MA · 1,267 clinicians
Hospital affiliation
- Massachusetts General HospitalBoston, MA
Industry payments (Open Payments)
- 2024$89.45 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $89.45 | 1 |
What the 2024 payments were for
- Food and Beverage$89.45 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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