NPPES file of Aug 9, 2026

Steven Hugh Sewall

Specialist · Marlboro, MA

Steven Hugh Sewall is a specialist with a practice address in Marlboro, Massachusetts, and NPI 1669474607, issued on Aug 10, 2005. Check the license with the Massachusetts board that licenses this profession; 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
1669474607
Name
Steven Hugh Sewall
Primary taxonomy
Specialist 174400000X
Practice location
65 Fremont St, Marlboro, MA 01752
Phone
(508) 485-1079
Enumerated
Aug 10, 2005
Record last updated
Dec 17, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(508) 485-0899
Medicaid ID
9712682 MA
Medicare enrollment
Enrolled (PECOS I20050922000795); accepts Medicare assignment
Medical or professional school
Js Weill Medical College, Cornell University, 1965
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.
Download card Updates feed

Also registered at 65 Fremont St

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

  1. T Bynum, MDGastroenterology Physician1790866655
  2. Donald Hangen, MDOrthopaedic Surgery Physician1578565511
  3. Paul Pongor, MDSpecialist1770585705
  4. Markian Stecyk, MDSpecialist1679575617
  5. Harvey Taylor, MDSpecialist1760484703

Verify Steven Hugh Sewall in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this professionCheck 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

96% fewer Medicare Part D claims than the average specialist in 2024

58 Medicare Part D claims for 21 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.

  1. Steven Sewall58
  2. Specialty average1,380

Most prescribed

  1. Diclofenac Sodium22 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.

Bills Medicare through one group practice

  1. Orthopaedic Associates OF Marlboro, PCMarlborough, MA

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

Steven Hugh Sewall among 1,096 specialist records in Massachusetts

Steven Hugh Sewall is one of 1,096 specialist records with a practice address in Massachusetts. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 90% newer
  • In a Medicare fileYes · 15% of these records are
  • In the CMS Doctors and Clinicians fileYes · 12% of these records are
  • Graduated1965 · median 1989 among the 128 with a school on file
  • Record last updated2019 · 82% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

5 specialist records list a practice address in Marlboro

They are 5 of the 25 NPPES records with a practice address in Marlboro, and 1,096 specialist records in Massachusetts.

The 8 specialist records with the nearest ZIP codes

  1. John Curran, MDMarlboro, MA 017521528084480
  2. Harold Ginsburg, M.D.Marlborough, MA 017521497835706
  3. Peter Miotto, M.D.Marlborough, MA 017521194709246
  4. Paul Pongor, MDMarlboro, MA 017521770585705
  5. Markian Stecyk, MDMarlboro, MA 017521679575617
  6. Harvey Taylor, MDMarlboro, MA 017521760484703
  7. Tracy Colby, OTR/LHudson, MA 017491033526371
  8. Tara CornellMilford, MA 017571730369919

Common questions

What is Steven Hugh Sewall's NPI number?

Steven Hugh Sewall's National Provider Identifier (NPI) is 1669474607, issued on Aug 10, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Steven Hugh Sewall located?

The NPPES record lists a practice address at 65 Fremont St, Marlboro, MA, 01752. Phone: (508) 485-1079. Providers update this record themselves, so call before visiting.

How can I verify Steven Hugh Sewall's license?

Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Steven Hugh Sewall prescribe under Medicare Part D?

In 2024, Steven Hugh Sewall had 58 Medicare Part D claims for 21 beneficiaries; the average among specialist prescribers was 1,380. 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.