NPPES file of Aug 9, 2026

Scott Patrick Williams, M.D.

Family Medicine Physician · Waltham, MA

Scott Patrick Williams, M.D. is a family medicine physician with a practice address in Waltham, Massachusetts, and NPI 1992048334, issued on Apr 4, 2013. Check the license on the Massachusetts Board of Registration in Medicine; 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
1992048334
Name
Scott Patrick Williams
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
MD20915 ME
53559 AL
111096 GA
MD-56722 IA
036.179255 IL
and 8 more
Self-reported in NPPES; status is on the state search
Practice location
221 Crescent St Ste 202, Waltham, MA 02453
Phone
(866) 849-0692
Enumerated
Apr 4, 2013
Record last updated
Jun 11, 2026
Medicare enrollment
Enrolled (PECOS I20161026001932); 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 221 Crescent St Ste 202

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

  1. Nwanneka AniunohPharmacist1306795182
  2. Jennifer Colborn, RNRegistered Nurse1548192719
  3. Daniel Horn, MDInternal Medicine Physician1780903971
  4. Patricia Moynihan, RNCase Management Registered Nurse1790515070
  5. Brenda NamaraPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1386504157
  6. Stephanie RicciRegistered Nurse1780414847

Verify Scott Patrick Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in MedicineCheck 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.

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99% fewer Medicare Part D claims than the average family medicine physician in 2024

47 Medicare Part D claims for 20 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Scott Williams47
  2. Specialty average3,544

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 one group practice

  1. MainehealthPortland, ME

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

Scott Patrick Williams among 2,265 family medicine physician records in Massachusetts

Scott Patrick Williams, 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 2013, is newer than 68% of them.

  • NPI issued2013 · 68% of these records are older, 29% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2013 · 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).

Family Medicine Physician providers in Massachusetts

There are 2,265 family medicine physician records in Massachusetts.

The 8 family medicine physician records with the nearest ZIP codes

  1. Alicia Czarnecki, MDWaltham, MA 024531235110107
  2. Wendy Gaines, MDWaltham, MA 024531114997970
  3. John Hackett, MDWaltham, MA 024531518059401
  4. Brittanie McCabeWaltham, MA 024531831519644
  5. Katherine Riggert, D.O.Waltham, MA 024531710177811
  6. Christine Robb, MDWaltham, MA 024531982688719
  7. Ilana AmbrogiWaltham, MA 024521720346737
  8. Julie Caruth, M.D.Waltham, MA 024521659470839

Common questions

What is Scott Patrick Williams, M.D.'s NPI number?

Scott Patrick Williams, M.D.'s National Provider Identifier (NPI) is 1992048334, issued on Apr 4, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Scott Patrick Williams, M.D. located?

The NPPES record lists a practice address at 221 Crescent St Ste 202, Waltham, MA, 02453. Phone: (866) 849-0692. Providers update this record themselves, so call before visiting.

How can I verify Scott Patrick Williams, M.D.'s license?

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 Scott Patrick Williams, M.D. prescribe under Medicare Part D?

In 2024, Scott Patrick Williams, M.D. had 47 Medicare Part D claims for 20 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.