Morton L. Glaser, MD
Specialist · Port Jefferson, NY
Morton L. Glaser, MD is a specialist with a practice address in Port Jefferson, New York, and NPI 1487657755, issued on May 31, 2005. Check the license (New York 138372, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Morton L. Glaser
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- 138372 NY
Self-reported in NPPES; status is on the state search - Practice location
- 60 N Country RD, Port Jefferson, NY 11777
- Phone
- (631) 509-1888
- Enumerated
- May 31, 2005
- Record last updated
- Dec 6, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (877) 434-7939
- Medicaid ID
- 00653576 NY
- Entity
- Type 1 · individual
8 nearest specialist records → All 22,636 in New York → Look up another NPI →
Also registered at 60 N Country RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dennis Dubey, PH.D.Clinical Child & Adolescent Psychologist1497812564
- Richard Koty, M.D.Ophthalmology Physician1003923038
- Michelle Levi, M.D.Ophthalmology Physician1518186089
- Maury Marmor, M.D.Pediatric Ophthalmology and Strabismus Specialist Physician1417064569
- Eric Roberts, M.D.Ophthalmology Physician1265549265
- Joan Rubinstein, M.D.Psychiatry Physician1780650341
Verify Morton L. Glaser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 138372Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% fewer Medicare Part D claims than the average specialist in 2024
1,347 Medicare Part D claims for 287 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 59% of claims.
Most prescribed
- Breo Ellipta253 claims
- Albuterol Sulfate Hfa147 claims
- Montelukast Sodium122 claims
- Trelegy Ellipta117 claims
- Prednisone97 claims
- Symbicort46 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): 91.3 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).
Morton L. Glaser among 22,636 specialist records in New York
Morton L. Glaser, MD is one of 22,636 specialist records with a practice address in New York. 6% 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, 99% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileNo · 4% of these records are
- Record last updated2013 · 73% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 specialist records list a practice address in Port Jefferson
They are 20 of the 983 NPPES records with a practice address in Port Jefferson, and 22,636 specialist records in New York.
All 22,636 in New York → Every provider in Port Jefferson → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Ajay Berdia, M.D.Port Jefferson, NY 117771801891908
- Pamela CadenPort Jefferson, NY 117771063707339
- Philip Celestino, C.PED.Port Jefferson, NY 117771659493575
- Jennifer Crimmins, MSEDPort Jefferson, NY 117771235491689
- Yvon Damour, M.D.Port Jefferson, NY 117771124114491
- Lisa Flanagan, M.S. SPECIAL ED.Port Jefferson, NY 117771184988974
- Gregg KnelPort Jefferson, NY 117771023469814
- Joyce LongoPort Jefferson, NY 117771164770525
Common questions
What is Morton L. Glaser, MD's NPI number?
Morton L. Glaser, MD's National Provider Identifier (NPI) is 1487657755, issued on May 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Morton L. Glaser, MD located?
The NPPES record lists a practice address at 60 N Country RD, Port Jefferson, NY, 11777. Phone: (631) 509-1888. Providers update this record themselves, so call before visiting.
How can I verify Morton L. Glaser, MD's license?
NPPES lists New York license number 138372, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Morton L. Glaser, MD prescribe under Medicare Part D?
In 2024, Morton L. Glaser, MD had 1,347 Medicare Part D claims for 287 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
What is Morton L. Glaser, MD's MIPS final score?
The 2023 MIPS final score is 91.3 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.