NPPES file of Aug 9, 2026

William S. Foulsham, MD, MBCHB

Ophthalmology Physician · Worcester, MA

William S. Foulsham, MD, MBCHB is an ophthalmology physician with a practice address in Worcester, Massachusetts, and NPI 1124581863, issued on Apr 10, 2019. Check the license (Massachusetts 1014696, 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
1124581863
Name
William S. Foulsham
Credential
MD, MBCHB
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
1014696 MA
Self-reported in NPPES; status is on the state search
Practice location
67 Belmont St Ste 302, Worcester, MA 01605
Phone
(508) 752-1155
Enumerated
Apr 10, 2019
Record last updated
Sep 25, 2025
Fax
(508) 752-4862
Medicare enrollment
Enrolled (PECOS I20230531002997); may accept 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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Verify William S. Foulsham 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 1014696
    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

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62% fewer Medicare Part D claims than the average ophthalmology physician in 2024

571 Medicare Part D claims for 229 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.

  1. William Foulsham571
  2. Specialty average1,518

Most prescribed

  1. Prednisolone Acetate164 claims
  2. Moxifloxacin130 claims
  3. Atropine Sulfate89 claims
  4. Ketorolac Tromethamine38 claims
  5. Dorzolamide-Timolol30 claims
  6. Dorzolamide Hcl27 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.

Industry payments in 2024: $472.71

3 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Foulsham$472.71
  2. Specialty average$4,535.02

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

Bills Medicare through 3 group practices

  1. Lexington Eye Associates - BidLexington, MA
  2. Lexington Eye Associates, IncLexington, MA
  3. Vitreo-Retinal Associates PCWorcester, MA

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

William S. Foulsham among 791 ophthalmology physician records in Massachusetts

William S. Foulsham, MD, MBCHB is one of 791 ophthalmology physician records with a practice address in Massachusetts. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 86% of them.

  • NPI issued2019 · 86% of these records are older, 12% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2014 · median 2002 among the 518 with a school on file
  • Record last updated2025 · 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 207W00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Massachusetts

There are 791 ophthalmology physician records in Massachusetts.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Dennis Arinella, M.D.Worcester, MA 016051982719944
  2. George Asdourian, M.D.Worcester, MA 016051083604342
  3. Michael Bradbury, MDWorcester, MA 016051407915341
  4. Richard Eisenberg, MDWorcester, MA 016051093765455
  5. Misha-Michelle Faustina, MDWorcester, MA 016051669438057
  6. Jeffrey Gallo, MDWorcester, MA 016051720013923
  7. Robert Gise, MDWorcester, MA 016051528024452
  8. Edward Kazarian, M.D.Worcester, MA 016051821173733

Common questions

What is William S. Foulsham, MD, MBCHB's NPI number?

William S. Foulsham, MD, MBCHB's National Provider Identifier (NPI) is 1124581863, issued on Apr 10, 2019. An NPI identifies a provider in billing; it is not a license.

Where is William S. Foulsham, MD, MBCHB located?

The NPPES record lists a practice address at 67 Belmont St Ste 302, Worcester, MA, 01605. Phone: (508) 752-1155. Providers update this record themselves, so call before visiting.

How can I verify William S. Foulsham, MD, MBCHB's license?

NPPES lists Massachusetts license number 1014696, 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 S. Foulsham, MD, MBCHB prescribe under Medicare Part D?

In 2024, William S. Foulsham, MD, MBCHB had 571 Medicare Part D claims for 229 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.