Registry data as of Aug 27, 2026

Stephen Fleet, M.D.

Cardiovascular Disease Physician · Greenfield, MA

Stephen Fleet, M.D. is a cardiovascular disease physician with a practice address in Greenfield, Massachusetts, and NPI 1588764948, issued on Sep 25, 2006. Check the license (Massachusetts 47690, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; 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
1588764948
Name
Stephen Fleet
Credential
M.D.
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License numbers
47690 MA
20714 NH
Self-reported in NPPES; status is on the state search
Practice location
164 High St, Greenfield, MA 01301
Phone
(413) 794-2273
Enumerated
Sep 25, 2006
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 164 High St

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

  1. Fatima Adeyemi, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1629909460
  2. Robert Ajello, MDInternal Medicine Physician1518930916
  3. James Arcoleo, DOCardiovascular Disease Physician1407885676
  4. Justyna Arcoleo, FNP/DNPFamily Nurse Practitioner1316215312
  5. Kathryn Aubry-McAvoy, NPFamily Nurse Practitioner1912130642
  6. Jill Bascomb, MDEmergency Medicine Physician1720026685

Verify Stephen Fleet in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 47690
    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
Open 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.

77% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

711 Medicare Part D claims for 138 beneficiaries, against an average of 3,149 among the 19,556 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Stephen Fleet711
  2. Specialty average3,149

Most prescribed

  1. Metoprolol Succinate117 claims
  2. Eliquis70 claims
  3. Metoprolol Tartrate67 claims
  4. Losartan Potassium38 claims
  5. Carvedilol26 claims
  6. Furosemide26 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: $78.48

1 payment, mostly food and beverage; the largest payer was Pfizer Inc.. The 16,209 providers of this specialty with any payment received $4,923.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stephen Fleet$78.48
  2. Specialty average$4,923.81

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

2 hospital and facility affiliations

  1. Brattleboro Memorial HospitalBrattleboro, VT · Acute Care Hospitals3 of 5 stars
  2. Baystate Medical Practices IncGreenfield, MA

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.

Cardiovascular Disease Physician providers in Massachusetts

There are 910 cardiovascular disease physician records in Massachusetts.

Other cardiovascular disease physician records in Massachusetts

  1. Omar Abdel-Razek, MDBoston, MA1912780008
  2. Rishard Abdul, M.B.B.SSpringfield, MA1114412830
  3. Kenneth Adams, M.D.Haverhill, MA1720082787
  4. Nicholas Adamstein, MDBoston, MA1548897218
  5. Dale Adler, M.D.Boston, MA1295769966
  6. Nadeem Afridi, MDNewburyport, MA1619961372
  7. Hanna Ahmed, M.DWorcester, MA1417111428
  8. Malik Ahmed, MDBoston, MA1386165470
  9. Eric Michael Aker, M.D.Norwood, MA1073571030
  10. Shahad Al Chalaby, MDBurlington, MA1316444276

Common questions

What is Stephen Fleet, M.D.'s NPI number?

Stephen Fleet, M.D.'s National Provider Identifier (NPI) is 1588764948, issued on Sep 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Fleet, M.D. located?

The NPPES record lists a practice address at 164 High St, Greenfield, MA, 01301. Phone: (413) 794-2273. Providers update this record themselves, so call before visiting.

How can I verify Stephen Fleet, M.D.'s license?

NPPES lists Massachusetts license number 47690, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://www.mass.gov/orgs/board-of-registration-in-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Stephen Fleet, M.D. prescribe under Medicare Part D?

In 2024, Stephen Fleet, M.D. had 711 Medicare Part D claims for 138 beneficiaries; the average among cardiovascular disease physician prescribers was 3,149. 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.