NPPES file of Aug 9, 2026

Arianna Patricia Stein, C.N.M.

Advanced Practice Midwife · Newton, MA

Arianna Patricia Stein, C.N.M. is an advanced practice midwife with a practice address in Newton, Massachusetts, and NPI 1699840132, issued on Nov 21, 2006. Check the license (Massachusetts 242841, 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
1699840132
Name
Arianna Patricia Stein
Credential
C.N.M.
Primary taxonomy
Advanced Practice Midwife 367A00000X
License number
242841 MA
Self-reported in NPPES; status is on the state search
Practice location
2014 Washington St, Newton, MA 02462
Phone
(617) 243-6000
Enumerated
Nov 21, 2006
Record last updated
Jun 30, 2022
Medicare enrollment
Enrolled (PECOS I20040915000602); accepts Medicare assignment
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 2014 Washington St

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

  1. Nooshin Abbasi, MD MPHInternal Medicine Physician1831888353
  2. Todd Abbott, M.D.Anatomic Pathology & Clinical Pathology Physician1013057454
  3. Tatiana Abrantes, MDStudent in an Organized Health Care Education/Training Program1962107250
  4. Maura Adrian, LICSWSocial Worker1083106918
  5. Davies Agyekum, M.D., PHDAnesthesiology Physician1134651425
  6. Tarik Alkasab, M.D., PH.D.Diagnostic Radiology Physician1154305803

Verify Arianna Patricia Stein 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 242841
    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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83% fewer Medicare Part D claims than the average advanced practice midwife in 2024

12 Medicare Part D claims, against an average of 72 among the 2,776 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Arianna Stein12
  2. Specialty average72

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 2 group practices

  1. Mass General Brigham Medical Group Suburban Massachusetts IncNewton, MA
  2. Mount Auburn Professional Services IncCambridge, MA

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

Arianna Patricia Stein among 454 advanced practice midwife records in Massachusetts

Arianna Patricia Stein, C.N.M. 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. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 65% newer
  • In a Medicare fileYes · 48% of these records are
  • In the CMS Doctors and Clinicians fileYes · 39% of these records are
  • Graduated2000 · median 2013 among the 177 with a school on file
  • Record last updated2022 · 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.

The 8 advanced practice midwife records with the nearest ZIP codes

  1. Nicole Del Vecchio-MocciaNewton, MA 024621598538019
  2. Molly Doyle, APRN, CNMChestnut Hill, MA 024671093381360
  3. Naomi FeingoldChestnut Hill, MA 024671467503060
  4. Caitlin Mayhew, CNMChestnut Hill, MA 024671366010142
  5. Amanda McSweeney, C.N.M.Waltham, MA 024521043410590
  6. Sarena Lesem, CNMArlington, MA 024761467943001
  7. Adrienne O'Connell, CNMArlington, MA 024761285936286
  8. Judy Berk, CNMWellesley, MA 024811265522056

Common questions

What is Arianna Patricia Stein, C.N.M.'s NPI number?

Arianna Patricia Stein, C.N.M.'s National Provider Identifier (NPI) is 1699840132, issued on Nov 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Arianna Patricia Stein, C.N.M. located?

The NPPES record lists a practice address at 2014 Washington St, Newton, MA, 02462. Phone: (617) 243-6000. Providers update this record themselves, so call before visiting.

How can I verify Arianna Patricia Stein, C.N.M.'s license?

NPPES lists Massachusetts license number 242841, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Arianna Patricia Stein, C.N.M. prescribe under Medicare Part D?

In 2024, Arianna Patricia Stein, C.N.M. had 12 Medicare Part D claims; the average among advanced practice midwife prescribers was 72. 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.

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.