NPPES file of Aug 9, 2026

Marci Ann Williams, OTC

Sports Medicine (Orthopaedic Surgery) Physician · Newburyport, MA

Marci Ann Williams, OTC is a sports medicine (orthopaedic surgery) physician with a practice address in Newburyport, Massachusetts, and NPI 1013425453, issued on Jan 19, 2018. Check the license on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1013425453
Name
Marci Ann Williams
Credential
OTC
Primary taxonomy
Sports Medicine (Orthopaedic Surgery) Physician 207XX0005X
License number
16-0810 NH
Self-reported in NPPES; status is on the state search
Practice location
21 Highland Ave Ste 16, Newburyport, MA 01950
Phone
(978) 462-7555
Enumerated
Jan 19, 2018
Record last updated
Jan 19, 2018 (not updated in 8 years: call before relying on the address or phone)
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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8 nearest sports medicine (orthopaedic surgery) physician records → All 76 in Massachusetts → Look up another NPI →

Also registered at 21 Highland Ave Ste 16

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

  1. Andrew Banos, MDOrthopaedic Surgery Physician1154610384
  2. Alexandria Habecker, PAPhysician Assistant1700233608
  3. Gabrielle Huang, PA-CPhysician Assistant1053043430
  4. Stella Lee, MDOrthopaedic Hand Surgery Physician1922411883
  5. Kaylie Murphy, PA-CPhysician Assistant1891314506
  6. Sarah Thibodeau, OTCTechnician/Technologist1821569047

Verify Marci Ann 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

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Marci Ann Williams among 76 sports medicine (orthopaedic surgery) physician records in Massachusetts

Marci Ann Williams, OTC is one of 76 sports medicine (orthopaedic surgery) physician records with a practice address in Massachusetts. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2018, is newer than 89% of them.

  • NPI issued2018 · 89% of these records are older, 7% newer
  • In a Medicare fileNo · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 79% of these records are
  • Record last updated2018 · 71% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XX0005X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sports Medicine (Orthopaedic Surgery) Physician providers in Massachusetts

There are 76 sports medicine (orthopaedic surgery) physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 76 in Massachusetts → Every provider in Newburyport → Sports Medicine (Orthopaedic Surgery) Physician nationwide →

The 8 sports medicine (orthopaedic surgery) physician records with the nearest ZIP codes

  1. James O'Holleran, M.D.Peabody, MA 019601700864303
  2. Jonathan Perryman, M.D.Peabody, MA 019601073627972
  3. Bojan Zoric, MDPeabody, MA 019601306879093
  4. Edward Schleyer, MDBeverly, MA 019151205196896
  5. Thomas Gill, M.D.Dedham, MA 020261457339491
  6. Lauren Keating, PA-CDedham, MA 020261073023339
  7. Kai Mithoefer, M.D.Dedham, MA 020261275504219
  8. Eric Berkson, MDFoxboro, MA 020351750362737

Common questions

What is Marci Ann Williams, OTC's NPI number?

Marci Ann Williams, OTC's National Provider Identifier (NPI) is 1013425453, issued on Jan 19, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Marci Ann Williams, OTC located?

The NPPES record lists a practice address at 21 Highland Ave Ste 16, Newburyport, MA, 01950. Phone: (978) 462-7555. Providers update this record themselves, so call before visiting.

How can I verify Marci Ann Williams, OTC'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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.