NPPES file of Aug 9, 2026

Steven Jay Lomasky, M.D.

Endocrinology, Diabetes & Metabolism Physician · Rockville Centre, NY

Steven Jay Lomasky, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Rockville Centre, New York, and NPI 1891738456, issued on Jun 13, 2006. Check the license (New York 152077, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891738456
Name
Steven Jay Lomasky
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
152077 NY
Self-reported in NPPES; status is on the state search
Practice location
242 Merrick RD, Rockville Centre, NY 11570
Phone
(516) 536-3700
Enumerated
Jun 13, 2006
Record last updated
Feb 19, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(516) 536-4309
Medicare enrollment
Enrolled (PECOS I20101101000936); accepts Medicare assignment
Medical or professional school
Albert Einstein College Of Medicine Of Yeshiva University, 1982
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 242 Merrick RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Varvara Alexiadis, MDEndocrinology, Diabetes & Metabolism Physician1033462684
  2. Timothy Chen, M.D.Cardiovascular Disease Physician1720079056
  3. Lyndsey Chernick, NPFamily Nurse Practitioner1477934917
  4. Micky Chun, MDNephrology Physician1306821434
  5. Stephen Covey, M.D.Cardiovascular Disease Physician1114917804
  6. Marjory David, FNPFamily Nurse Practitioner1801996335

Verify Steven Jay Lomasky in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 152077
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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84% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

4,839 Medicare Part D claims for 657 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of claims.

  1. Steven Lomasky4,839
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium459 claims
  2. Ozempic383 claims
  3. Synthroid383 claims
  4. Metformin Hcl Er360 claims
  5. Jardiance232 claims
  6. Trulicity224 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 practice group's MIPS final score for 2023 (Medicare payment program): 84.5 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.

  1. Qualityout of 100 · 30% of the final score93.3
  2. Costout of 100 · 30%54.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. New York UniversityRockville Centre, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Steven Jay Lomasky among 970 endocrinology, diabetes & metabolism physician records in New York

Steven Jay Lomasky, M.D. is one of 970 endocrinology, diabetes & metabolism physician records with a practice address in New York. 86% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 57% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1982 · median 2004 among the 694 with a school on file
  • Record last updated2021 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in New York

There are 970 endocrinology, diabetes & metabolism physician records in New York.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Varvara Alexiadis, MDRockville Centre, NY 115701033462684
  2. Nushin Khan, M.D.Rockville Centre, NY 115701255713459
  3. Yael Oppenheim, M.D.Rockville Centre, NY 115701376582338
  4. Kaushik MandalOceanside, NY 115721285024034
  5. Gladys Palaguachi CuencaOceanside, NY 115721366062523
  6. Effie Tsomos, MDOceanside, NY 115721487041349
  7. Ling CuiMerrick, NY 115661306392675
  8. Samima Habbsa, MDMerrick, NY 115661174028484

Common questions

What is Steven Jay Lomasky, M.D.'s NPI number?

Steven Jay Lomasky, M.D.'s National Provider Identifier (NPI) is 1891738456, issued on Jun 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Steven Jay Lomasky, M.D. located?

The NPPES record lists a practice address at 242 Merrick RD, Rockville Centre, NY, 11570. Phone: (516) 536-3700. Providers update this record themselves, so call before visiting.

How can I verify Steven Jay Lomasky, M.D.'s license?

NPPES lists New York license number 152077, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Steven Jay Lomasky, M.D. prescribe under Medicare Part D?

In 2024, Steven Jay Lomasky, M.D. had 4,839 Medicare Part D claims for 657 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.

What is Steven Jay Lomasky, M.D.'s MIPS final score?

The 2023 MIPS final score is 84.5 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.