Gary L. Peters, MD
Specialist · Worcester, MA
Gary L. Peters, MD is a specialist with a practice address in Worcester, Massachusetts, and NPI 1154306108, issued on Dec 13, 2005. Check the license (Massachusetts 46267, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gary L. Peters
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- 46267 MA
Self-reported in NPPES; status is on the state search - Practice location
- 123 Summer Street, Worcester, MA 01608
- Phone
- (508) 368-3140
- Enumerated
- Dec 13, 2005
- Record last updated
- Nov 13, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (508) 368-3143
- Medicaid ID
- 6196101 MA
- Entity
- Type 1 · individual
8 nearest specialist records → All 1,096 in Massachusetts → Look up another NPI →
Also registered at 123 Summer Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gary L. Peters in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 46267Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 79.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Gary L. Peters among 1,096 specialist records in Massachusetts
Gary L. Peters, MD is one of 1,096 specialist records with a practice address in Massachusetts. 15% 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, 90% newer
- In a Medicare fileYes · 15% of these records are
- In the CMS Doctors and Clinicians fileNo · 12% of these records are
- Record last updated2018 · 82% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in Massachusetts
There are 1,096 specialist records in Massachusetts.
All 1,096 in Massachusetts → Every provider in Worcester → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Heather BaldwinWorcester, MA 016081386011120
- John Ferullo, MDWorcester, MA 016081528056439
- James Kenealy, MDWorcester, MA 016081770679730
- Kathleen Rose, PAWorcester, MA 016081518958065
- Bradley Schaffer, MDWorcester, MA 016081508817834
- Robert Terrill, M.D.Worcester, MA 016081316942741
- Kayla Daly, MA, MT-BC, LMHCWorcester, MA 016091003184441
- Deborah Ekstrom, MDWorcester, MA 016091518916188
Common questions
What is Gary L. Peters, MD's NPI number?
Gary L. Peters, MD's National Provider Identifier (NPI) is 1154306108, issued on Dec 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gary L. Peters, MD located?
The NPPES record lists a practice address at 123 Summer Street, Worcester, MA, 01608. Phone: (508) 368-3140. Providers update this record themselves, so call before visiting.
How can I verify Gary L. Peters, MD's license?
NPPES lists Massachusetts license number 46267, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
What is Gary L. Peters, MD's MIPS final score?
The 2023 MIPS final score is 79.8 of 100, reported for the practice group. 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.