Giles F. Whalen, M.D.
Surgery Physician · Worcester, MA
Giles F. Whalen, M.D. is a surgery physician with a practice address in Worcester, Massachusetts, and NPI 1538141957, issued on Nov 20, 2005. Check the license (Massachusetts 57085, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Giles F. Whalen
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 57085 MA
Self-reported in NPPES; status is on the state search - Practice location
- 119 Belmont St, Worcester, MA 01605
- Phone
- (508) 334-5202
- Enumerated
- Nov 20, 2005
- Record last updated
- Jul 31, 2024
- Fax
- (508) 334-5089
- Medicaid IDs
- 3113922 MA
110053383A MA - Entity
- Type 1 · individual
8 nearest surgery physician records → All 1,003 in Massachusetts → Look up another NPI →
Also registered at 119 Belmont St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Giles F. Whalen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 57085Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average surgery physician in 2024
17 Medicare Part D claims, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.
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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Giles F. Whalen among 1,003 surgery physician records in Massachusetts
Giles F. Whalen, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2024 · 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 Worcester → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Carlos Fairen Oro, MDWorcester, MA 016051265041032
- Subhash Gulati, M.D F A C S, INCWorcester, MA 016051326139668
- Ammar Humayun, MDWorcester, MA 016051750819272
- Mohan Korgankar, MDWorcester, MA 016051568524940
- Laura Lambert, MDWorcester, MA 016051467532390
- Craig Paterson, M.D.Worcester, MA 016051023091196
- Frank Traupman, M.D.Worcester, MA 016051033371810
- Ting Xu, M.D.Worcester, MA 016051487975157
Common questions
What is Giles F. Whalen, M.D.'s NPI number?
Giles F. Whalen, M.D.'s National Provider Identifier (NPI) is 1538141957, issued on Nov 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Giles F. Whalen, M.D. located?
The NPPES record lists a practice address at 119 Belmont St, Worcester, MA, 01605. Phone: (508) 334-5202. Providers update this record themselves, so call before visiting.
How can I verify Giles F. Whalen, M.D.'s license?
NPPES lists Massachusetts license number 57085, 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 Giles F. Whalen, M.D. prescribe under Medicare Part D?
In 2024, Giles F. Whalen, M.D. had 17 Medicare Part D claims; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is Giles F. Whalen, 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.