Registry data as of Aug 27, 2026

William Flynn, M.D.

Surgery Physician · Arlington, MA

William Flynn, M.D. is a surgery physician with a practice address in Arlington, Massachusetts, and NPI 1952330268, issued on Jun 30, 2006. Check the license (Massachusetts 32293, 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
1952330268
Name
William Flynn
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License number
32293 MA
Self-reported in NPPES; status is on the state search
Practice location
22 Mill St, Arlington, MA 02476
Phone
(781) 643-6313
Enumerated
Jun 30, 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 22 Mill St

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

  1. Ellen Austin, LICSWClinical Social Worker1255350161
  2. Robert Austin, PH.D.Psychologist1275552119
  3. Carol Ball, PH.D.Forensic Psychologist1518973536
  4. Joanne Barros, LMHCMental Health Counselor1003168725
  5. Kaitlyn Basile, LCSWClinical Social Worker1730439852
  6. Heather Becker, PAPhysician Assistant1962403634

Verify William Flynn 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 32293
    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.

26% fewer Medicare Part D claims than the average surgery physician in 2024

128 Medicare Part D claims for 61 beneficiaries, against an average of 174 among the 21,427 providers of this specialty who prescribed in Part D.

  1. William Flynn128
  2. Specialty average174

Most prescribed

  1. Doxycycline Monohydrate40 claims
  2. Mupirocin23 claims
  3. Ciprofloxacin Hcl12 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.

Surgery Physician providers in Massachusetts

There are 1,118 surgery physician records in Massachusetts.

Other surgery physician records in Massachusetts

  1. Jeffrey Aalberg, MD, MPHBoston, MA1326788027
  2. Daniele Abela, MDBoston, MA1164051868
  3. Ahmad AboalfarajBoston, MA1538517651
  4. Ibrahim Abushoshah, M.D.Boston, MA1205274503
  5. Ravindra Acharya, MDCharlton, MA1881608602
  6. Stephen Addington, M.D.Brockton, MA1821449588
  7. Alfred Adegboyegun, MDSpringfield, MA1205953957
  8. Souheil Adra, M.D.Milton, MA1700049996
  9. Eddie Afetse, MDBoston, MA1457297194
  10. Arvind Agnihotri, MDBrighton, MA1528058625

Common questions

What is William Flynn, M.D.'s NPI number?

William Flynn, M.D.'s National Provider Identifier (NPI) is 1952330268, issued on Jun 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Flynn, M.D. located?

The NPPES record lists a practice address at 22 Mill St, Arlington, MA, 02476. Phone: (781) 643-6313. Providers update this record themselves, so call before visiting.

How can I verify William Flynn, M.D.'s license?

NPPES lists Massachusetts license number 32293, 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 William Flynn, M.D. prescribe under Medicare Part D?

In 2024, William Flynn, M.D. had 128 Medicare Part D claims for 61 beneficiaries; the average among surgery physician prescribers was 174. 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.