NPPES file of Aug 9, 2026

Leslie Jean Domalik, MD

Endocrinology, Diabetes & Metabolism Physician · Worcester, MA

Leslie Jean Domalik, MD is an endocrinology, diabetes & metabolism physician with a practice address in Worcester, Massachusetts, and NPI 1841307261, issued on Aug 23, 2006. Check the license (Massachusetts 246161, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; 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
1841307261
Name
Leslie Jean Domalik
Credential
MD
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
246161 MA
Self-reported in NPPES; status is on the state search
Practice location
55 Lake Ave N, Worcester, MA 01655
Phone
(508) 334-3206
Enumerated
Aug 23, 2006
Record last updated
Dec 11, 2023
Medicare enrollment
Enrolled (PECOS I20110721000041); accepts Medicare assignment
Medical or professional school
University Of Pittsburgh School Of Medicine, 1986
Telehealth
Offers telehealth (CMS)
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 55 Lake Ave N

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

  1. Nawal Aamir, MDInternal Medicine Physician1588248926
  2. Amarys Abadie, CRNACertified Registered Nurse Anesthetist1992936843
  3. Paula Abate, NPNurse Practitioner1336265909
  4. Aly AbayazeedDiagnostic Radiology Physician1821221946
  5. Zainab AbbasDermatology Physician1609028000
  6. Mary-Alice Abbott, MDClinical Genetics (M.D.) Physician1982799417

Verify Leslie Jean Domalik in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 246161
    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 Massachusetts 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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57% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

1,131 Medicare Part D claims for 117 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.

  1. Leslie Domalik1,131
  2. Specialty average2,630

Most prescribed

  1. Trulicity87 claims
  2. Metformin Hcl Er62 claims
  3. Metformin Hcl58 claims
  4. Jardiance50 claims
  5. Levothyroxine Sodium46 claims
  6. Ozempic46 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): 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.

  1. Qualityout of 100 · 30% of the final score78.1
  2. Costnot scored (reweighted)
  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; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Umass Memorial Medical Group IncWorcester, MA

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

Leslie Jean Domalik among 522 endocrinology, diabetes & metabolism physician records in Massachusetts

Leslie Jean Domalik, MD is one of 522 endocrinology, diabetes & metabolism physician records with a practice address in Massachusetts. 82% 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 14% of them.

  • NPI issued2006 · 14% of these records are older, 52% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1986 · median 2002 among the 378 with a school on file
  • Record last updated2023 · 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 207RE0101X and a Massachusetts 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 Massachusetts

There are 522 endocrinology, diabetes & metabolism physician records in Massachusetts.

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

  1. Neil Aronin, M.D.Worcester, MA 016551679556252
  2. Seth Arum, M.D.Worcester, MA 016551679578793
  3. Daniel Baran, M.D.Worcester, MA 016551841260221
  4. Raffaella Colzani, M.D.Worcester, MA 016551356324297
  5. Taniya De Silva, M.D.Worcester, MA 016551740212273
  6. Richard Haas, M.D.Worcester, MA 016551023017373
  7. Samir Malkani, M.D.Worcester, MA 016551174506018
  8. John Mordes, M.D.Worcester, MA 016551760466031

Common questions

What is Leslie Jean Domalik, MD's NPI number?

Leslie Jean Domalik, MD's National Provider Identifier (NPI) is 1841307261, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Leslie Jean Domalik, MD located?

The NPPES record lists a practice address at 55 Lake Ave N, Worcester, MA, 01655. Phone: (508) 334-3206. Providers update this record themselves, so call before visiting.

How can I verify Leslie Jean Domalik, MD's license?

NPPES lists Massachusetts license number 246161, 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 Leslie Jean Domalik, MD prescribe under Medicare Part D?

In 2024, Leslie Jean Domalik, MD had 1,131 Medicare Part D claims for 117 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.

What is Leslie Jean Domalik, 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.