NPPES file of Aug 9, 2026

Claudia Isabel Marquez, NP

Nurse Practitioner · Mattapan, MA

Claudia Isabel Marquez, NP is a nurse practitioner with a practice address in Mattapan, Massachusetts, and NPI 1164772885, issued on Sep 11, 2012. Check the license (Massachusetts RN2307858, 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
1164772885
Name
Claudia Isabel Marquez
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
RN2307858 MA
Self-reported in NPPES; status is on the state search
Practice location
1135 Morton St, Mattapan, MA 02126
Phone
(617) 533-2400
Enumerated
Sep 11, 2012
Record last updated
Dec 22, 2025
Fax
(617) 533-2401
Medicare enrollment
Enrolled (PECOS I20160811001420); accepts Medicare assignment
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.
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Also registered at 1135 Morton St

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

  1. Karen Adams, RNLicensed Practical Nurse1851695886
  2. Kyle Akerman, PHARM.DPharmacist1548851462
  3. Maureen BassPhysical Therapist1376899401
  4. Carla Bouwmeester, MS, PHARMD, BCPSPharmacist1861687352
  5. Erin BragaPhysical Therapy Assistant1508112723
  6. Mary Jo BrognaAdministrator Registered Nurse1508434614

Verify Claudia Isabel Marquez 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 RN2307858
    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

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2.1 times the Medicare Part D claims of the average nurse practitioner in 2024

2,349 Medicare Part D claims for 134 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 32 claims were for opioids.

  1. Claudia Marquez2,349
  2. Specialty average1,109

Most prescribed

  1. Atorvastatin Calcium167 claims
  2. Amlodipine Besylate119 claims
  3. Sertraline Hcl83 claims
  4. Metoprolol Succinate75 claims
  5. Trazodone Hcl68 claims
  6. Gabapentin67 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.

Bills Medicare through one group practice

  1. Carbon Health Medical Group OF Massachusetts PCWest Roxbury, MA

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

Claudia Isabel Marquez among 3,480 nurse practitioner records in Massachusetts

Claudia Isabel Marquez, NP 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 2012, is newer than 40% of them.

  • NPI issued2012 · 40% of these records are older, 58% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2012 · median 2017 among the 1,963 with a school on file
  • Record last updated2025 · 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).

4 nurse practitioner records list a practice address in Mattapan

They are 4 of the 256 NPPES records with a practice address in Mattapan, and 3,480 nurse practitioner records in Massachusetts.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Tarma Johnson, FNP-BCMattapan, MA 021261982781977
  2. Elizabeth Maffie, N.P.Mattapan, MA 021261225123581
  3. Marie RibadeneyraBoston, MA 021261538849088
  4. Laura Stanley, NPMattapan, MA 021261891766481
  5. Maura BaronasBoston, MA 021271295569762
  6. Danielle Hanlon, FNP-BCSouth Boston, MA 021271780483479
  7. Elana Kalus, NPDorchester, MA 021251124855739
  8. Rachel Kirby, NPBoston, MA 021271598639031

Common questions

What is Claudia Isabel Marquez, NP's NPI number?

Claudia Isabel Marquez, NP's National Provider Identifier (NPI) is 1164772885, issued on Sep 11, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Claudia Isabel Marquez, NP located?

The NPPES record lists a practice address at 1135 Morton St, Mattapan, MA, 02126. Phone: (617) 533-2400. Providers update this record themselves, so call before visiting.

How can I verify Claudia Isabel Marquez, NP's license?

NPPES lists Massachusetts license number RN2307858, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Claudia Isabel Marquez, NP prescribe under Medicare Part D?

In 2024, Claudia Isabel Marquez, NP had 2,349 Medicare Part D claims for 134 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.