NPPES file of Aug 9, 2026

Claudia Carvajal Guillen, RN, CNP

Nurse Practitioner · Chelsea, MA

Claudia Carvajal Guillen, RN, CNP is a nurse practitioner with a practice address in Chelsea, Massachusetts, and NPI 1295153369, issued on Apr 4, 2014. Check the license (Massachusetts RN2281078, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1295153369
Name
Claudia Carvajal Guillen
Credential
RN, CNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
RN2281078 MA
Self-reported in NPPES; status is on the state search
Practice location
151 Everett Ave, Chelsea, MA 02150
Phone
(617) 726-8055
Enumerated
Apr 4, 2014
Record last updated
Jan 8, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20200319000516); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 151 Everett Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ali Abdullahi, SWClinical Social Worker1134412158
  2. Babatunde Aideyan, MACounseling Psychologist1144895046
  3. Lorraine Alire, BSStudent in an Organized Health Care Education/Training Program1417442609
  4. Robert Amrien, PA-CPhysician Assistant1073570016
  5. Rosa Amurrio-Comparini, MDPsychiatry Physician1336120500
  6. Wynne Armand, MDInternal Medicine Physician1497745939

Verify Claudia Carvajal Guillen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license RN2281078
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

46% fewer Medicare Part D claims than the average nurse practitioner in 2024

603 Medicare Part D claims for 85 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Claudia Guillen603
  2. Specialty average1,109

Most prescribed

  1. Atorvastatin Calcium75 claims
  2. Amlodipine Besylate47 claims
  3. Lisinopril32 claims
  4. Omeprazole32 claims
  5. Metformin Hcl31 claims
  6. Diclofenac Sodium26 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $89.45

1 payment: food and beverage; the largest payer was GlaxoSmithKline, LLC. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Claudia Guillen$89.45
  2. Specialty average$791.64

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Massachusetts General Physicians Organization IncRevere, MA
  2. The General Hospital CorporationChelsea, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Claudia Carvajal Guillen among 3,480 nurse practitioner records in Massachusetts

Claudia Carvajal Guillen, RN, CNP is one of 3,480 nurse practitioner records with a practice address in Massachusetts. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 45% of them.

  • NPI issued2014 · 45% of these records are older, 52% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2019 · median 2017 among the 1,963 with a school on file
  • Record last updated2020 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

10 nurse practitioner records list a practice address in Chelsea

They are 10 of the 998 NPPES records with a practice address in Chelsea, and 3,480 nurse practitioner records in Massachusetts.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Esayas Abraham, NPChelsea, MA 021501851275895
  2. Catherine Evlog, NPChelsea, MA 021501396804555
  3. Pedro Hernandez, CNPChelsea, MA 021501558748525
  4. Patricia Kelly, RN, ANP-BCChelsea, MA 021501316130396
  5. Maureen Marre, NPChelsea, MA 021501316059785
  6. Kristine MasellaChelsea, MA 021501528587045
  7. Quincey Melonakos, DNPChelsea, MA 021501861050387
  8. Myriame MilordChelsea, MA 021501306584503

Common questions

What is Claudia Carvajal Guillen, RN, CNP's NPI number?

Claudia Carvajal Guillen, RN, CNP's National Provider Identifier (NPI) is 1295153369, issued on Apr 4, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Claudia Carvajal Guillen, RN, CNP located?

The NPPES record lists a practice address at 151 Everett Ave, Chelsea, MA, 02150. Phone: (617) 726-8055. Providers update this record themselves, so call before visiting.

How can I verify Claudia Carvajal Guillen, RN, CNP's license?

NPPES lists Massachusetts license number RN2281078, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Claudia Carvajal Guillen, RN, CNP prescribe under Medicare Part D?

In 2024, Claudia Carvajal Guillen, RN, CNP had 603 Medicare Part D claims for 85 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.