NPPES file of Aug 9, 2026

William L. Marshall, M.D.

Infectious Disease Physician · Worcester, MA

William L. Marshall, M.D. is an infectious disease physician with a practice address in Worcester, Massachusetts, and NPI 1053394908, issued on Nov 23, 2005. Check the license (Massachusetts 70928, 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, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1053394908
Name
William L. Marshall
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
70928 MA
Self-reported in NPPES; status is on the state search
Practice location
55 Lake Ave N, Worcester, MA 01655
Phone
(508) 856-1720
Enumerated
Nov 23, 2005
Record last updated
Dec 10, 2010 (not updated in 16 years: call before relying on the address or phone)
Medicaid ID
3065511 MA
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.
Download card Updates feed

8 nearest infectious disease physician records → All 487 in Massachusetts → Look up another NPI →

Also registered at 55 Lake Ave N

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

  1. Nawal Aamir, MDInternal Medicine Physician1588248926
  2. Amarys Abadie, CRNACertified Registered Nurse Anesthetist1992936843
  3. Paula Abate, NPNurse Practitioner1336265909
  4. Aly AbayazeedDiagnostic Radiology Physician1821221946
  5. Zainab AbbasDermatology Physician1609028000
  6. Mary-Alice Abbott, MDClinical Genetics (M.D.) Physician1982799417

Verify William L. Marshall 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 70928    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.

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

Industry payments in 2024: $147.82

1 payment: food and beverage; the largest payer was United Therapeutics Corporation. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Marshall$147.82
  2. Specialty average$4,362.19

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

William L. Marshall among 487 infectious disease physician records in Massachusetts

William L. Marshall, M.D. is one of 487 infectious disease physician records with a practice address in Massachusetts. 69% 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, 83% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 61% of these records are
  • Record last updated2010 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in Massachusetts

There are 487 infectious disease physician records in Massachusetts.

All 487 in Massachusetts → Every provider in Worcester → Infectious Disease Physician nationwide →

The 8 infectious disease physician records with the nearest ZIP codes

  1. Neil Blacklow, M.D.Worcester, MA 016551982686028
  2. Sarah Cheeseman, M.D.Worcester, MA 016551538142112
  3. Laura Gibson, M.D.Worcester, MA 016551801877535
  4. Richard Glew, M.D.Worcester, MA 016551063495547
  5. Douglas Golenbock, M.D.Worcester, MA 016551467435917
  6. Thomas Greenough, M.D.Worcester, MA 016551184607665
  7. Stuart Levitz, M.D.Worcester, MA 016551982681615
  8. Daniel Libraty, M.D.Worcester, MA 016551255314100

Common questions

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

William L. Marshall, M.D.'s National Provider Identifier (NPI) is 1053394908, issued on Nov 23, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William L. Marshall, M.D. located?

The NPPES record lists a practice address at 55 Lake Ave N, Worcester, MA, 01655. Phone: (508) 856-1720. Providers update this record themselves, so call before visiting.

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

NPPES lists Massachusetts license number 70928, 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.

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.

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.