William Steven Friedman, M.D.
Family Medicine Physician · Westminster, MA
William Steven Friedman, M.D. is a family medicine physician with a practice address in Westminster, Massachusetts, and NPI 1427015379, issued on Apr 26, 2006. Check the license (Massachusetts 46095, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- William Steven Friedman
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 46095 MA
Self-reported in NPPES; status is on the state search - Practice location
- 116 Main St, Westminster, MA 01473
- Phone
- (978) 874-0535
- Enumerated
- Apr 26, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (978) 874-2941
- Medicaid ID
- 0114049 MA
- Medicare enrollment
- Enrolled (PECOS I20050917000273); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1977
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,265 in Massachusetts → Look up another NPI →
Also registered at 116 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephen Weedon, M.D.Family Medicine Physician1649214743
Verify William Steven Friedman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 46095Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average family medicine physician in 2024
1,330 Medicare Part D claims for 138 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 43 claims were for opioids.
Most prescribed
- Lisinopril75 claims
- Amlodipine Besylate69 claims
- Lovastatin63 claims
- Hydrochlorothiazide61 claims
- Levothyroxine Sodium50 claims
- Metformin Hcl Er50 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.
William Steven Friedman among 2,265 family medicine physician records in Massachusetts
William Steven Friedman, M.D. is one of 2,265 family medicine physician records with a practice address in Massachusetts. 80% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 55% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1977 · median 2006 among the 1,529 with a school on file
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 family medicine physician records list a practice address in Westminster
They are 3 of the 110 NPPES records with a practice address in Westminster, and 2,265 family medicine physician records in Massachusetts.
All 2,265 in Massachusetts → Every provider in Westminster → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Lisa Rembetsy-Brown, M.D.Westminster, MA 014731306811013
- Stephen Weedon, M.D.Westminster, MA 014731649214743
- Denise Arcand, M.D.Winchendon, MA 014751649291527
- John Harrington, M.D.Winchendon, MA 014751245229012
- David Havlin, M.D.Winchendon, MA 014751548231731
- Kavitha Kayathi, M.D.Winchendon, MA 014751114160736
- Ashley FarrellTownsend, MA 014691871415646
- Cynthia Sprague, M.D.Townsend, MA 014691134162407
Common questions
What is William Steven Friedman, M.D.'s NPI number?
William Steven Friedman, M.D.'s National Provider Identifier (NPI) is 1427015379, issued on Apr 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Steven Friedman, M.D. located?
The NPPES record lists a practice address at 116 Main St, Westminster, MA, 01473. Phone: (978) 874-0535. Providers update this record themselves, so call before visiting.
How can I verify William Steven Friedman, M.D.'s license?
NPPES lists Massachusetts license number 46095, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Steven Friedman, M.D. prescribe under Medicare Part D?
In 2024, William Steven Friedman, M.D. had 1,330 Medicare Part D claims for 138 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.