NPPES file of Aug 9, 2026

Nancy Gantz, NP

Registered Nurse · Boston, MA

Nancy Gantz, NP is a registered nurse with a practice address in Boston, Massachusetts, and NPI 1851482335, issued on Sep 27, 2006. Check the license (Massachusetts 107617, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1851482335
Name
Nancy Gantz
Credential
NP
Primary taxonomy
Registered Nurse 163W00000X
License number
107617 MA
Self-reported in NPPES; status is on the state search
Practice location
133 Brookline Ave, Boston, MA 02215
Phone
(617) 421-5950
Enumerated
Sep 27, 2006
Record last updated
Apr 13, 2009 (not updated in 17 years: call before relying on the address or phone)
Medicaid ID
0702358 MA
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.
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8 nearest registered nurse records → All 4,985 in Massachusetts → Look up another NPI →

Also registered at 133 Brookline Ave

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

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  2. Maansi AgheraAudiologist1225887292
  3. Nathalie Alexis, PSY.D.Clinical Psychologist1245886993
  4. Marina Alfisher, MDDiagnostic Radiology Physician1417925207
  5. Andrew Allmendinger, DODiagnostic Radiology Physician1972820942
  6. Dana An, LCSWClinical Social Worker1215108238

Verify Nancy Gantz 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 107617    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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Nancy Gantz among 4,985 registered nurse records in Massachusetts

Nancy Gantz, NP is one of 4,985 registered nurse records with a practice address in Massachusetts. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 98% newer
  • In a Medicare fileNo · 3% of these records are
  • In the CMS Doctors and Clinicians fileNo · 2% of these records are
  • Record last updated2009 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163W00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

684 registered nurse records list a practice address in Boston

They are 684 of the 41,865 NPPES records with a practice address in Boston, and 4,985 registered nurse records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 4,985 in Massachusetts → Every provider in Boston → Registered Nurse nationwide →

The 8 registered nurse records with the nearest ZIP codes

  1. Patricia Blazewicz, NPBoston, MA 022151659480853
  2. Monica Flanagan, NPBoston, MA 022151568571776
  3. Diane Gilworth, NPBoston, MA 022151013026236
  4. Arlene Kelley, NPBoston, MA 022151225147275
  5. Cecily Kulsick, NPBoston, MA 022151063964997
  6. Martha Livesay, RNBoston, MA 022151457760266
  7. Alison Massed, NP-CBoston, MA 022151033773908
  8. Anne Plunkett, NPBoston, MA 022151316056591

Common questions

What is Nancy Gantz, NP's NPI number?

Nancy Gantz, NP's National Provider Identifier (NPI) is 1851482335, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nancy Gantz, NP located?

The NPPES record lists a practice address at 133 Brookline Ave, Boston, MA, 02215. Phone: (617) 421-5950. Providers update this record themselves, so call before visiting.

How can I verify Nancy Gantz, NP's license?

NPPES lists Massachusetts license number 107617, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity 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. 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.