NPPES file of Aug 9, 2026

Luke Chmielecki, MD

Gastroenterology Physician · Portland, ME

Luke Chmielecki, MD is a gastroenterology physician with a practice address in Portland, Maine, and NPI 1548897929, issued on Mar 25, 2020. Check the license (Maine EC251015, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1548897929
Name
Luke Chmielecki
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
EC251015 ME
1014260 MA
Self-reported in NPPES; status is on the state search
Practice location
22 Bramhall St, Portland, ME 04102
Phone
(207) 283-7000
Enumerated
Mar 25, 2020
Record last updated
Aug 6, 2025
Medicare enrollment
Enrolled (PECOS I20230612002795); may accept Medicare assignment
Medical or professional school
Boston University School Of Medicine, 2020
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 22 Bramhall St

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

  1. Jessica Abbatiello, NP-CFamily Nurse Practitioner1871811737
  2. Ruslan Abdukalikov, DOAnesthesiology Physician1831694793
  3. Tod Abrahams, M.D.Diagnostic Radiology Physician1538231642
  4. Joshua Abrams, PA-CSurgical Physician Assistant1932832128
  5. Christopher Abruzzese, D.OAnesthesiology Physician1558789305
  6. Haley Acker, PA-CPhysician Assistant1972167377

Verify Luke Chmielecki in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
    Search for license EC251015
    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 Maine license search

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76% fewer Medicare Part D claims than the average gastroenterology physician in 2024

195 Medicare Part D claims for 49 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Luke Chmielecki195
  2. Specialty average811

Most prescribed

  1. Metoprolol Succinate21 claims
  2. Spironolactone17 claims
  3. Clonidine Hcl11 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.

Luke Chmielecki among 86 gastroenterology physician records in Maine

Luke Chmielecki, MD is one of 86 gastroenterology physician records with a practice address in Maine. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 97% of them.

  • NPI issued2020 · 97% of these records are older, 1% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2020 · median 2003 among the 61 with a school on file
  • Record last updated2025 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Maine

There are 86 gastroenterology physician records in Maine.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Newell Augur, MDPortland, ME 041021356569529
  2. Andrew Hsu, M.D.Portland, ME 041021003270471
  3. Martin Moehlen, M.D.Portland, ME 041021104006279
  4. Michael Roy, M.D.Portland, ME 041021134227994
  5. Shadab Saboori, MD, MPHPortland, ME 041021558865790
  6. Curtis Winchenbach, MDPortland, ME 041021417043712
  7. Adam Winters, MDPortland, ME 041021700270352
  8. Sara ZelmanPortland, ME 041021487217295

Common questions

What is Luke Chmielecki, MD's NPI number?

Luke Chmielecki, MD's National Provider Identifier (NPI) is 1548897929, issued on Mar 25, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Luke Chmielecki, MD located?

The NPPES record lists a practice address at 22 Bramhall St, Portland, ME, 04102. Phone: (207) 283-7000. Providers update this record themselves, so call before visiting.

How can I verify Luke Chmielecki, MD's license?

NPPES lists Maine license number EC251015, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Luke Chmielecki, MD prescribe under Medicare Part D?

In 2024, Luke Chmielecki, MD had 195 Medicare Part D claims for 49 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

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.