NPPES file of Aug 9, 2026

William Vincent Walsh, M.D.

Hematology & Oncology Physician · Worcester, MA

William Vincent Walsh, M.D. is a hematology & oncology physician with a practice address in Worcester, Massachusetts, and NPI 1073597274, issued on Dec 1, 2005. Check the license (Massachusetts 81444, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1073597274
Name
William Vincent Walsh
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
81444 MA
Self-reported in NPPES; status is on the state search
Practice location
55 Lake Ave N, Worcester, MA 01655
Phone
(508) 334-6276
Enumerated
Dec 1, 2005
Record last updated
Oct 28, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
110056121A MA
Medicare enrollment
Enrolled (PECOS I20080402000846); accepts Medicare assignment
Medical or professional school
George Washington University School Of Medicine, 1985
Telehealth
Offers telehealth (CMS)
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 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 Vincent Walsh 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 81444
    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.

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70% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

259 Medicare Part D claims for 51 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims. 24 claims were for opioids.

  1. William Walsh259
  2. Specialty average877

Most prescribed

  1. Tagrisso57 claims
  2. Prochlorperazine Maleate37 claims
  3. Ondansetron Hcl23 claims
  4. Lorazepam18 claims
  5. Dexamethasone13 claims
  6. Oxycodone Hcl12 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.

The MIPS final score for 2023 (Medicare payment program): 97 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score78.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $431.52

5 payments; by number, the most common kind was food and beverage; the largest payer was Galvanize Therapeutics, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Walsh$431.52
  2. Specialty average$7,481.41

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

Bills Medicare through one group practice

  1. Umass Memorial Medical Group IncWorcester, MA

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

William Vincent Walsh among 461 hematology & oncology physician records in Massachusetts

William Vincent Walsh, M.D. is one of 461 hematology & oncology physician records with a practice address in Massachusetts. 75% 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, 86% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1985 · median 2004 among the 303 with a school on file
  • Record last updated2020 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Massachusetts

There are 461 hematology & oncology physician records in Massachusetts.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Tasneem Ali, M.D.Worcester, MA 016551629036553
  2. Athanasius Anagnostou, M.D.Worcester, MA 016551174505648
  3. Doreen Brettler, M.D.Worcester, MA 016551710960398
  4. Jan Cerny, M.D.Worcester, MA 016551407887771
  5. Mary Costanza, M.D.Worcester, MA 016551073596656
  6. Kathryn Edmiston, M.D.Worcester, MA 016551306820790
  7. Neil Kluger, MDWorcester, MA 016551023114022
  8. Tariq Mughal, M.D.Worcester, MA 016551316914773

Common questions

What is William Vincent Walsh, M.D.'s NPI number?

William Vincent Walsh, M.D.'s National Provider Identifier (NPI) is 1073597274, issued on Dec 1, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William Vincent Walsh, M.D. located?

The NPPES record lists a practice address at 55 Lake Ave N, Worcester, MA, 01655. Phone: (508) 334-6276. Providers update this record themselves, so call before visiting.

How can I verify William Vincent Walsh, M.D.'s license?

NPPES lists Massachusetts license number 81444, 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 Vincent Walsh, M.D. prescribe under Medicare Part D?

In 2024, William Vincent Walsh, M.D. had 259 Medicare Part D claims for 51 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is William Vincent Walsh, M.D.'s MIPS final score?

The 2023 MIPS final score is 97 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.