John Mladucky, PA-C
Gastroenterology Physician · Lewiston, ME
John Mladucky, PA-C is a gastroenterology physician with a practice address in Lewiston, Maine, and NPI 1033777362, issued on Jun 1, 2019. Check the license (Maine PA1957, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- John Mladucky
- Credential
- PA-C
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- PA1957 ME
Self-reported in NPPES; status is on the state search - Practice location
- 300 Main St, Lewiston, ME 04240
- Phone
- (207) 795-0111
- Enumerated
- Jun 1, 2019
- Record last updated
- Jan 4, 2024
- Medicare enrollment
- Enrolled (PECOS I20190827002535); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 86 in Maine → Look up another NPI →
Also registered at 300 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joseph Anderson, DOPediatrics Physician1962853697
- Nicole Anderson, SLPSpeech-Language Pathologist1548644636
- Michelle AndrewsPhysical Therapist1326423237
Verify John Mladucky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license PA1957Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average gastroenterology physician in 2024
27 Medicare Part D claims for 22 beneficiaries, against an average of 811 among the 16,445 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.
Industry payments in 2024: $531.20
21 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospitals and group practices
- Central Maine Medical CenterLewiston, ME · Acute Care Hospitals4 of 5 stars
- Mercy HospitalPortland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
John Mladucky among 86 gastroenterology physician records in Maine
John Mladucky, PA-C 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 2019, is newer than 93% of them.
- NPI issued2019 · 93% of these records are older, 3% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2019 · median 2003 among the 61 with a school on file
- Record last updated2024 · 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.
All 86 in Maine → Every provider in Lewiston → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Oswaldo Bisbal, MDLewiston, ME 042401487686242
- Mark Branda, MDLewiston, ME 042401861619058
- Jordan Goldstein, MDLewiston, ME 042401205298684
- John Lewandowski, MDLewiston, ME 042401952385171
- Catherine McCrann, MDLewiston, ME 042401528167137
- Emil Miskovsky, MDLewiston, ME 042401427043942
- Michael Sivulich, MDLewiston, ME 042401639155393
- Benjamin Stein, M.D.,Lewiston, ME 042401245402460
Common questions
What is John Mladucky, PA-C's NPI number?
John Mladucky, PA-C's National Provider Identifier (NPI) is 1033777362, issued on Jun 1, 2019. An NPI identifies a provider in billing; it is not a license.
Where is John Mladucky, PA-C located?
The NPPES record lists a practice address at 300 Main St, Lewiston, ME, 04240. Phone: (207) 795-0111. Providers update this record themselves, so call before visiting.
How can I verify John Mladucky, PA-C's license?
NPPES lists Maine license number PA1957, 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 John Mladucky, PA-C prescribe under Medicare Part D?
In 2024, John Mladucky, PA-C had 27 Medicare Part D claims for 22 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.