Holly S. Mason, M.D.
Surgery Physician · Springfield, MA
Holly S. Mason, M.D. is a surgery physician with a practice address in Springfield, Massachusetts, and NPI 1033201462, issued on Sep 30, 2006. Check the license (Massachusetts 213644, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Holly S. Mason
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 213644 MA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Wason Avenue, Springfield, MA 01107
- Phone
- (413) 794-5265
- Enumerated
- Sep 30, 2006
- Record last updated
- Jan 18, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (413) 794-1794
- Medicare enrollment
- Enrolled (PECOS I20040913000176); accepts Medicare assignment
- Medical or professional school
- University Of Vermont College Of Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 1,003 in Massachusetts → Look up another NPI →
Also registered at 100 Wason Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Arenas, MDSurgery Physician1447345434
- Cynthia Beauregard, CCC AAudiologist1598925505
- Billie Borden, MDSurgery Physician1538513395
- Elizabeth Brady, MDSurgical Oncology Physician1861493132
- Kimberly Brown, PA-CPhysician Assistant1942476684
- Alison Cavanaugh, CCC-AAudiologist1255591251
Verify Holly S. Mason in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 213644Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average surgery physician in 2024
23 Medicare Part D claims for 19 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $75.89
4 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Baystate Medical Practices IncSpringfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Holly S. Mason among 1,003 surgery physician records in Massachusetts
Holly S. Mason, M.D. is one of 1,003 surgery physician records with a practice address in Massachusetts. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 58% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1995 · median 2003 among the 503 with a school on file
- Record last updated2018 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Massachusetts
There are 1,003 surgery physician records in Massachusetts.
All 1,003 in Massachusetts → Every provider in Springfield → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Michael Albert, M.D.Springfield, MA 011071346212008
- Albert Alexander, M.D.Springfield, MA 011071518910694
- Reginald Alouidor, MDSpringfield, MA 011071770548463
- Viriato Fiallo, M.D.Springfield, MA 011071326015983
- Paul Friedmann, M.D.Springfield, MA 011071174562268
- Brigid Glackin, M.D.Springfield, MA 011071316936065
- Ronald GrossSpringfield, MA 011071184633034
- Burritt Haag, M.D.Springfield, MA 011071457328015
Common questions
What is Holly S. Mason, M.D.'s NPI number?
Holly S. Mason, M.D.'s National Provider Identifier (NPI) is 1033201462, issued on Sep 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Holly S. Mason, M.D. located?
The NPPES record lists a practice address at 100 Wason Avenue, Springfield, MA, 01107. Phone: (413) 794-5265. Providers update this record themselves, so call before visiting.
How can I verify Holly S. Mason, M.D.'s license?
NPPES lists Massachusetts license number 213644, 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 Holly S. Mason, M.D. prescribe under Medicare Part D?
In 2024, Holly S. Mason, M.D. had 23 Medicare Part D claims for 19 beneficiaries; the average among surgery physician prescribers was 147. 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.