Jay Louis Glaser, MD
Internal Medicine Physician · Leominster, MA
Jay Louis Glaser, MD is an internal medicine physician with a practice address in Leominster, Massachusetts, and NPI 1033203195, issued on Oct 3, 2006. Check the license (Massachusetts 60285, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jay Louis Glaser
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 60285 MA
Self-reported in NPPES; status is on the state search - Practice location
- 60 Hospital RD, Leominster, MA 01453
- Phone
- (978) 466-4169
- Enumerated
- Oct 3, 2006
- Record last updated
- Oct 27, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (978) 466-4164
- Medicaid ID
- 2103672 MA
- Medicare enrollment
- Enrolled (PECOS I20050523001128); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 1973
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 60 Hospital RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jay Louis Glaser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 60285Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
52 Medicare Part D claims for 30 beneficiaries, against an average of 3,176 among the 108,855 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).
Bills Medicare through one group practice
- Umass Memorial Medical Group IncLeominster, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jay Louis Glaser among 6,825 internal medicine physician records in Massachusetts
Jay Louis Glaser, MD is one of 6,825 internal medicine 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1973 · median 2004 among the 4,103 with a school on file
- Record last updated2020 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
35 internal medicine physician records list a practice address in Leominster
They are 35 of the 1,151 NPPES records with a practice address in Leominster, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Leominster → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Glenn Allison, M.D.Leominster, MA 014531497745848
- Stephen Child, M.D.Leominster, MA 014531790747442
- Kimberly Ebb, MDLeominster, MA 014531790777589
- Ashraf Elkerm, MDLeominster, MA 014531306825831
- Mark Hryniewich, MDLeominster, MA 014531255307781
- Myria Munoz, MDLeominster, MA 014531942261987
- Jyoti Nagarkar, MDLeominster, MA 014531013903210
- Binu Pathrose, MDLeominster, MA 014531023096682
Common questions
What is Jay Louis Glaser, MD's NPI number?
Jay Louis Glaser, MD's National Provider Identifier (NPI) is 1033203195, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jay Louis Glaser, MD located?
The NPPES record lists a practice address at 60 Hospital RD, Leominster, MA, 01453. Phone: (978) 466-4169. Providers update this record themselves, so call before visiting.
How can I verify Jay Louis Glaser, MD's license?
NPPES lists Massachusetts license number 60285, 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 Jay Louis Glaser, MD prescribe under Medicare Part D?
In 2024, Jay Louis Glaser, MD had 52 Medicare Part D claims for 30 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Jay Louis Glaser, MD'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.