NPPES file of Aug 9, 2026

Nancy Hays, NP

Adult Health Nurse Practitioner · Cambridge, MA

Nancy Hays, NP is an adult health nurse practitioner with a practice address in Cambridge, Massachusetts, and NPI 1396793410, issued on May 4, 2006. Check the license (Massachusetts 117423, 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
1396793410
Name
Nancy Hays
Credential
NP
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
117423 MA
Self-reported in NPPES; status is on the state search
Practice location
300 Mount Auburn St, Cambridge, MA 02138
Phone
(617) 868-2650
Enumerated
May 4, 2006
Record last updated
Mar 2, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(617) 868-2641
Medicaid ID
0385000 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.
Download card Updates feed

8 nearest adult health nurse practitioner records → All 1,465 in Massachusetts → Look up another NPI →

Also registered at 300 Mount Auburn St

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

  1. Karen Ahlert, M.D.Surgery Physician1083819502
  2. John Anderson, MDGeriatric Medicine (Internal Medicine) Physician1568462620
  3. Daniel Asnes, M.D.Psychiatry Physician1316093628
  4. Julio Ayala, MDGastroenterology Physician1104883347
  5. Elizabeth Baker, M.D.Obstetrics & Gynecology Physician1659579969
  6. Paul Bertozzi, MDPulmonary Disease Physician1346312733

Verify Nancy Hays 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 117423    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.

Nancy Hays among 1,465 adult health nurse practitioner records in Massachusetts

Nancy Hays, NP is one of 1,465 adult health nurse practitioner records with a practice address in Massachusetts. 61% 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 3% of them.

  • NPI issued2006 · 3% of these records are older, 73% newer
  • In a Medicare fileNo · 61% of these records are
  • In the CMS Doctors and Clinicians fileNo · 43% of these records are
  • Record last updated2010 · 73% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Health Nurse Practitioner providers in Massachusetts

There are 1,465 adult health nurse practitioner records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,465 in Massachusetts → Every provider in Cambridge → Adult Health Nurse Practitioner nationwide →

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Laura Borgia, CRNPCambridge, MA 021381881714327
  2. Joanne Casaletto, NPCambridge, MA 021381457475717
  3. Cristina Collins, NPCambridge, MA 021381235109935
  4. Kathleen Corbo, NPCambridge, MA 021381134170889
  5. Addie Day, RN, ANP-CCambridge, MA 021381104251602
  6. E. Flory, RN,MS,NPCambridge, MA 021381871641886
  7. Richard Lambert, NPCambridge, MA 021381083698864
  8. Kristin Lindemann, ANP-BCCambridge, MA 021381467601138

Common questions

What is Nancy Hays, NP's NPI number?

Nancy Hays, NP's National Provider Identifier (NPI) is 1396793410, issued on May 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nancy Hays, NP located?

The NPPES record lists a practice address at 300 Mount Auburn St, Cambridge, MA, 02138. Phone: (617) 868-2650. Providers update this record themselves, so call before visiting.

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

NPPES lists Massachusetts license number 117423, 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.