NPPES file of Aug 9, 2026

Ann Marie Massed, CNM

Advanced Practice Midwife · Boston, MA

Ann Marie Massed, CNM is an advanced practice midwife with a practice address in Boston, Massachusetts, and NPI 1326024621, issued on Dec 19, 2005. Check the license (Massachusetts RN134154, 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
1326024621
Name
Ann Marie Massed
Credential
CNM
Primary taxonomy
Advanced Practice Midwife 367A00000X
License number
RN134154 MA
Self-reported in NPPES; status is on the state search
Practice location
850 Harrison Ave, Boston, MA 02118
Phone
(617) 414-2000
Enumerated
Dec 19, 2005
Record last updated
Jun 22, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(617) 414-5798
Medicaid ID
110015857A 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 advanced practice midwife records → All 454 in Massachusetts → Look up another NPI →

Also registered at 850 Harrison Ave

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

  1. Jodi Abbott, MDMaternal & Fetal Medicine Physician1346222692
  2. Mayssa Aboody, CNMAdvanced Practice Midwife1780455998
  3. Zinah Abukhalil-Quinonez, LICSWClinical Social Worker1376662627
  4. Kirsten AdamsObstetrics & Gynecology Physician1477203446
  5. William Adams, MDPediatrics Physician1255314696
  6. Soukaina Adolphe, M.D.Pediatrics Physician1760579155

Verify Ann Marie Massed 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 RN134154    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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Ann Marie Massed among 454 advanced practice midwife records in Massachusetts

Ann Marie Massed, CNM is one of 454 advanced practice midwife records with a practice address in Massachusetts. 48% 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 93% newer
  • In a Medicare fileNo · 48% of these records are
  • In the CMS Doctors and Clinicians fileNo · 39% of these records are
  • Record last updated2020 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367A00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Advanced Practice Midwife providers in Massachusetts

There are 454 advanced practice midwife records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 454 in Massachusetts → Every provider in Boston → Advanced Practice Midwife nationwide →

The 8 advanced practice midwife records with the nearest ZIP codes

  1. Somphit Chinkam, CNMBoston, MA 021181063498434
  2. Nancy Davidson, CNMBoston, MA 021181083754857
  3. Jean Ewan, CNMBoston, MA 021181023094497
  4. Cecilia Girard, CNMBoston, MA 021181831175207
  5. Monica Joyce, CNMBoston, MA 021181336175389
  6. Marie Kourtelidis, CNMBoston, MA 021181649256017
  7. Julie Mottl-Santiago, CNMBoston, MA 021181487630711
  8. Diane Nezar, CNMBoston, MA 021181366567158

Common questions

What is Ann Marie Massed, CNM's NPI number?

Ann Marie Massed, CNM's National Provider Identifier (NPI) is 1326024621, issued on Dec 19, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Ann Marie Massed, CNM located?

The NPPES record lists a practice address at 850 Harrison Ave, Boston, MA, 02118. Phone: (617) 414-2000. Providers update this record themselves, so call before visiting.

How can I verify Ann Marie Massed, CNM's license?

NPPES lists Massachusetts license number RN134154, 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.