John Mladucky, PA-C

  • Lewiston, ME
  • Gastroenterologist
NPI1033777362PAC ID6709114846
Medicare services, 2024
190
Medicare patients, 2024
141
Part D claims, 2024
27
MIPS score, 2024
98
Hospital affiliations
3
Practice address
300 Main Street, Lewiston, ME 04240
Practice phone
Call (207) 795-0111
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Central Maine Medical Center

Hospital · Lewiston, Maine

See all 7 affiliations

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John Mladucky is a gastroenterologist in Lewiston, Maine

John Mladucky practices at Central Maine Medical Center in Lewiston, Maine, part of Prime Healthcare Services.

John Mladucky's NPI, 1033777362, was assigned on June 1, 2019. John Mladucky holds Maine license PA1957.

NPI and contact details
Medicare PAC ID
6709114846
NPI enumeration date
June 1, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(207) 795-0111
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
33
Medical school graduation
2019

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

John Mladucky practices at Central Maine Medical Center in Lewiston, Maine

John Mladucky's primary practice is Central Maine Medical Center, at 300 Main Street, Lewiston, ME 04240 in Androscoggin County. The practice phone is (207) 795-0111.

Source: Dmand AI Affiliation Data

John Mladucky is affiliated with 3 sites of care and 4 medical groups

John Mladucky's primary practice is Central Maine Medical Center in Lewiston, Maine, part of Prime Healthcare Services. John Mladucky is also affiliated with Northern Light Mercy Hospital. The medical group on file is Central Maine Medical Center. Dmand AI also links John Mladucky to 1 more hospital and 3 medical groups, each named with a free account. John Mladucky's employer is on file too: a hospital.

See all 7 affiliations for John Mladucky

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at John Mladucky's practice

Dmand AI tracks the electronic health record (EHR) system at each site where John Mladucky practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Central Maine Medical CenterAvailable with a free account
+2 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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John Mladucky is one of 83 gastroenterologists in Maine

Gastroenterology is John Mladucky's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. John Mladucky is licensed in Maine.

Specialties and state licenses

  • Gastroenterology, MainePrimaryLicense PA1957 · taxonomy 207RG0100X

Gastroenterologists near John Mladucky

Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

John Mladucky billed Medicare for 190 services in 2024

CMS data shows 190 Medicare services from John Mladucky across 4 procedure codes in 2024, for 141 Medicare patients. Medicare paid $8,386 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024190
Medicare patients141
Paid by Medicare$8,386
Procedure codes4

John Mladucky's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2142024: 19011%

John Mladucky compared with the Maine median for gastroenterologists, 2024

  • John Mladucky
  • Maine median
Medicare services
190vs 26929% below
Medicare patients
141vs 23339% below
Part D claims
212vs 221Close to median

Medians across 90 gastroenterologists in Maine with Dmand AI profiles that report each measure.

John Mladucky's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by John Mladucky

Need commercial claims for John Mladucky?

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

John Mladucky treated 141 Medicare patients in 2024, average age 74

CMS counts 141 Medicare patients who saw John Mladucky in 2024. The largest group is 75 to 84, with 50 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 45% are also on Medicaid. Their average risk score is 2.25, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts John Mladucky's median patient age at 73, with 59% women.

Medicare patients, 2024141
Average age74
Average risk score2.25
Also on Medicaid45%

John Mladucky's Medicare patients by age, 2024

John Mladucky's Medicare patients by sex, 2024

  • Women7050%
  • Men7150%

Chronic conditions among John Mladucky's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol73%
  3. Arthritis52%
  4. Mood disorders45%
  5. Anxiety44%
  6. Heart failure44%
  7. Ischemic heart disease44%
  8. Atrial fibrillation42%

Share of Medicare patients with each condition. A patient can have several.

John Mladucky's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women59%
  • Men41%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

John Mladucky wrote 27 Medicare Part D claims in 2024

In 2024, John Mladucky wrote 27 Medicare Part D claims for 22 patients. 85% of them were for generic drugs. They cover 6 drugs, with $2,281 in total drug cost. In 2022, CMS named 99 claims across 5 drugs.

Part D claims, 202427
Drugs named by CMS6
Total drug cost$2,281
Part D patients22

John Mladucky's Part D claims by kind of drug, 2024

  • Generic23 claims85%
  • Brand-name and other4 claims15%

John Mladucky's most prescribed drugs by claims, 2023

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2022 to 2023

  • 2022
  • 2023
Claims for drugs CMS names
2022: 992023: 212114%

Drugs named by CMS: 6 in 2023, 5 in 2022.

See all prescribing by John Mladucky

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

John Mladucky scored 98 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for John Mladucky for performance year 2024, reported through an alternative payment model (APM). John Mladucky accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

John Mladucky's MIPS scores, performance year 2024

  • 98of 100Final score
  • 83.3of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

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John Mladucky received $1,569 in industry payments from 2024 to 2025

CMS Open Payments shows 52 general payments to John Mladucky from 12 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $768.

General payments to John Mladucky by program year, 2024 to 2025

Companies that paid John Mladucky the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to John Mladucky

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for John Mladucky's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about John Mladucky

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is John Mladucky's NPI number?

John Mladucky's NPI number is 1033777362. It was assigned on June 1, 2019, and it is active in the NPI Registry.

What does John Mladucky specialize in?

John Mladucky is a gastroenterologist in Lewiston, Maine. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does John Mladucky practice?

John Mladucky practices at 300 Main Street, Lewiston, ME 04240. John Mladucky's primary practice is Central Maine Medical Center in Lewiston, Maine, part of Prime Healthcare Services. Dmand AI also links John Mladucky to 1 hospital and 3 medical groups.

What is John Mladucky's office phone number?

The practice phone on file for John Mladucky is (207) 795-0111.

What is John Mladucky's medical license number?

John Mladucky holds Maine license PA1957.

Which hospitals is John Mladucky affiliated with?

John Mladucky practices at Central Maine Medical Center in Lewiston, Maine. John Mladucky is also affiliated with Northern Light Mercy Hospital. Dmand AI links John Mladucky to 1 more hospital.

What medical group is John Mladucky part of?

John Mladucky is linked to Central Maine Medical Center. Dmand AI links John Mladucky to 3 more medical groups.

Does John Mladucky accept Medicare?

Yes. CMS data shows John Mladucky billed Medicare for 190 services in 2024, and John Mladucky accepts Medicare assignment.

What is John Mladucky's MIPS score?

John Mladucky's MIPS final score for performance year 2024 is 98 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does John Mladucky see?

CMS counts 141 Medicare patients who saw John Mladucky in 2024, with an average age of 74.

Show 4 more questionsShow fewer questions

What services does John Mladucky bill to Medicare?

In 2024, John Mladucky's most billed Medicare services were hospital inpatient care (99231), hospital inpatient care (99221) and hospital inpatient care (99232).

What drugs does John Mladucky prescribe most?

In 2023 Medicare Part D data, John Mladucky's most prescribed drugs by claims were Prednisone, Cefdinir and Cephalexin.

Has John Mladucky received payments from drug or device companies?

CMS Open Payments shows $1,569 in general payments to John Mladucky from 12 companies from 2024 to 2025. The largest total came from Abbvie Inc.

How long has John Mladucky been practicing?

John Mladucky graduated from medical school in 2019, 7 years ago.

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