Registry data as of Aug 27, 2026

Maria Chaves, NP

Nurse Practitioner · Marlborough, MA

Maria Chaves, NP is a nurse practitioner with a practice address in Marlborough, Massachusetts, and NPI 1992000442, issued on Jan 13, 2011. Check the license (Massachusetts 165098, 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, loaded Aug 27, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1992000442
Name
Maria Chaves
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
165098 MA
Self-reported in NPPES; status is on the state search
Practice location
65 Fremont St, Marlborough, MA 01752
Phone
(508) 303-8553
Enumerated
Jan 13, 2011
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 65 Fremont St

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

  1. Domenic Albanese, DMDGeneral Practice Dentistry1578650420
  2. Susan Ciampa-Albanese, DMDGeneral Practice Dentistry1013004993
  3. Lewis Feder, M.D.Gynecology Physician1477633907
  4. Harold Ginsburg, M.D.Specialist1497835706
  5. Allis Kim, M.D.Sports Medicine (Orthopaedic Surgery) Physician1053400879
  6. Lalita Matta, M.D.Internal Medicine Physician1043232663

Verify Maria Chaves 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 165098    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.

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

4,396 Medicare Part D claims for 348 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 13 claims were for opioids.

  1. Maria Chaves4,396
  2. Specialty average1,109

Most prescribed

  1. Rosuvastatin Calcium329 claims
  2. Atorvastatin Calcium275 claims
  3. Amlodipine Besylate254 claims
  4. Levothyroxine Sodium187 claims
  5. Ozempic173 claims
  6. Losartan Potassium166 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: $18.93

1 payment, mostly food and beverage; the largest payer was Abbott Laboratories. 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. Maria Chaves$18.93
  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.

7 nurse practitioner records list a practice address in Marlborough

They are 7 of the 3,071 NPPES records with a practice address in Marlborough, and 3,480 nurse practitioner records in Massachusetts.

All 7 in Marlborough → All 3,480 in Massachusetts → Every provider in Marlborough →

Other nurse practitioner records in Massachusetts

  1. Paula Abate, NPWorcester, MA1336265909
  2. Carolyn Abbanat Villafane, NPBoston, MA1598810269
  3. Lisa Abbondanza, CNPFranklin, MA1770892630
  4. Elizabeth Abbruzzese, NPWorcester, MA1326645300
  5. Alberta Abbuah, PMHNPFramingham, MA1437873411
  6. Fatima AbdallaMelrose, MA1326407529
  7. Israh AbdeljaberWorcester, MA1912629528
  8. Erika AbeidFairhaven, MA1831084839
  9. Nina AbelowitzConcord, MA1528201704
  10. Esayas Abraham, NPChelsea, MA1851275895

Common questions

What is Maria Chaves, NP's NPI number?

Maria Chaves, NP's National Provider Identifier (NPI) is 1992000442, issued on Jan 13, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Maria Chaves, NP located?

The NPPES record lists a practice address at 65 Fremont St, Marlborough, MA, 01752. Phone: (508) 303-8553. Providers update this record themselves, so call before visiting.

How can I verify Maria Chaves, NP's license?

NPPES lists Massachusetts license number 165098, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Maria Chaves, NP prescribe under Medicare Part D?

In 2024, Maria Chaves, NP had 4,396 Medicare Part D claims for 348 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), loaded Aug 27, 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.

Built from the named public files by PlainDoctor's data pipeline (how it is made).

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) 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 27, 2026.