Registry data as of Aug 27, 2026

Gretchen Chase-Rey, CNM

Advanced Practice Midwife · Great Barrington, MA

Gretchen Chase-Rey, CNM is an advanced practice midwife with a practice address in Great Barrington, Massachusetts, and NPI 1750789715, issued on Dec 8, 2014. Check the license (Massachusetts RN2339170, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1750789715
Name
Gretchen Chase-Rey
Credential
CNM
Primary taxonomy
Advanced Practice Midwife 367A00000X
License numbers
RN2339170 MA
4704277471 MI
Self-reported in NPPES; status is on the state search
Practice location
780 Main Street, Great Barrington, MA 01230
Phone
(413) 528-1470
Enumerated
Dec 8, 2014
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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Also registered at 780 Main Street

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

  1. Andrew Beckwith, M.DObstetrics & Gynecology Physician1366423907
  2. Lisa Marie Chism Fraine, CNMAdvanced Practice Midwife1053465328
  3. Ira Zimbler, LICSWClinical Social Worker1831268747

Verify Gretchen Chase-Rey 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 RN2339170
    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.

46% fewer Medicare Part D claims than the average advanced practice midwife in 2024

54 Medicare Part D claims for 30 beneficiaries, against an average of 100 among the 2,368 providers of this specialty who prescribed in Part D.

  1. Gretchen Chase-Rey54
  2. Specialty average100

Most prescribed

  1. Estradiol12 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.

Industry payments in 2024: $39.26

2 payments, mostly food and beverage; the largest payer was Biogen, Inc.. The 3,170 providers of this specialty with any payment received $220.26 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gretchen Chase-Rey$39.26
  2. Specialty average$220.26

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Newaygo County General Hospital AssociationFremont, MI

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Advanced Practice Midwife providers in Massachusetts

There are 407 advanced practice midwife records in Massachusetts.

Other advanced practice midwife records in Massachusetts

  1. Rachelle Aaron, CNMLowell, MA1407355878
  2. Amanda Abbott, CNM, LCSWCambridge, MA1821358284
  3. Mayssa Aboody, CNMBoston, MA1780455998
  4. Evelise Alicea, CNMBoston, MA1528761228
  5. Alexandra Allard, CNMSpringfield, MA1043943087
  6. Kimberly Alovisetti, CNMBoston, MA1407217581
  7. Debbie Ames, CNMWestfield, MA1104922905
  8. Jennifer Anderson, CNMNew Bedford, MA1346424058
  9. Susan Andrews, CNMBoston, MA1689693947
  10. Lisa Aubin, CNMLeominster, MA1316989379

Common questions

What is Gretchen Chase-Rey, CNM's NPI number?

Gretchen Chase-Rey, CNM's National Provider Identifier (NPI) is 1750789715, issued on Dec 8, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Gretchen Chase-Rey, CNM located?

The NPPES record lists a practice address at 780 Main Street, Great Barrington, MA, 01230. Phone: (413) 528-1470. Providers update this record themselves, so call before visiting.

How can I verify Gretchen Chase-Rey, CNM's license?

NPPES lists Massachusetts license number RN2339170, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Gretchen Chase-Rey, CNM prescribe under Medicare Part D?

In 2024, Gretchen Chase-Rey, CNM had 54 Medicare Part D claims for 30 beneficiaries; the average among advanced practice midwife prescribers was 100. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.