NPPES file of Aug 9, 2026

Grace Mbuya, PMHNP

Nurse Practitioner · Worcester, MA

Grace Mbuya, PMHNP is a nurse practitioner with a practice address in Worcester, Massachusetts, and NPI 1104225341, issued on Aug 13, 2014. Check the license (Massachusetts RN284646, 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
1104225341
Name
Grace Mbuya
Credential
PMHNP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
RN284646 MA
284646 MA
316951 AZ
Self-reported in NPPES; status is on the state search
Practice location
120 Stafford St, Worcester, MA 01603
Phone
(508) 344-7530
Enumerated
Aug 13, 2014
Record last updated
Apr 11, 2025
Medicaid ID
PIDSL110186617A MA
Medicare enrollment
Enrolled (PECOS I20250515002685); 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.
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Also registered at 120 Stafford St

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

  1. Alex ChenPhysical Therapist1366252959
  2. Sheily Colon FigueroaMental Health Counselor1730067380
  3. R. John Groves, M.D.Orthopaedic Hand Surgery Physician1437204161
  4. Erica Hoffmann, OTD, OTR/LOccupational Therapist1063018943
  5. Nicole Kushman, PT, DPTPhysical Therapist1639759483
  6. Andre Laska, DPTPhysical Therapist1053262089

Verify Grace Mbuya 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 RN284646    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.

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77% fewer Medicare Part D claims than the average nurse practitioner in 2024

250 Medicare Part D claims for 18 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Grace Mbuya250
  2. Specialty average1,109

Most prescribed

  1. Buprenorphine-Naloxone28 claims
  2. Divalproex Sodium Er26 claims
  3. Rexulti20 claims
  4. Venlafaxine Hcl Er20 claims
  5. Chlorpromazine Hcl14 claims
  6. Hydroxyzine Hcl13 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. Mind Healing And Wellness CenterWorcester, MA

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

499 nurse practitioner records list a practice address in Worcester

They are 499 of the 13,166 NPPES records with a practice address in Worcester, and 3,480 nurse practitioner records in Massachusetts.

All 499 in Worcester → All 3,480 in Massachusetts → Every provider in Worcester →

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 Grace Mbuya, PMHNP's NPI number?

Grace Mbuya, PMHNP's National Provider Identifier (NPI) is 1104225341, issued on Aug 13, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Grace Mbuya, PMHNP located?

The NPPES record lists a practice address at 120 Stafford St, Worcester, MA, 01603. Phone: (508) 344-7530. Providers update this record themselves, so call before visiting.

How can I verify Grace Mbuya, PMHNP's license?

NPPES lists Massachusetts license number RN284646, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Grace Mbuya, PMHNP prescribe under Medicare Part D?

In 2024, Grace Mbuya, PMHNP had 250 Medicare Part D claims for 18 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.

Written with AI tools from the named public files; every figure is computed from those files (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 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.