Dr. John R. Majewski, MD

  • Vincennes, IN
  • Internist
NPI1255967352PAC ID5092146662
Medicare services, 2024
1,180
Medicare patients, 2024
397
Part D claims, 2024
336
Publications
1
Hospital affiliations
3
Practice address
520 S 7th St, Vincennes, IN 47591
Practice phone
Call (812) 882-5220
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Good Samaritan Hospital

Hospital · Vincennes, Indiana

See all 6 affiliations

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Dr. John R. Majewski is an internist in Vincennes, Indiana

Dr. Majewski practices at Good Samaritan Hospital in Vincennes, Indiana, part of State of Indiana.

Dr. Majewski's NPI, 1255967352, was assigned on March 20, 2020. Dr. Majewski holds Indiana license 1255967352.

NPI and contact details
Medicare PAC ID
5092146662
NPI enumeration date
March 20, 2020
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(812) 882-5220
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)

Dr. John R. Majewski practices at Good Samaritan Hospital in Vincennes, Indiana

Dr. Majewski's primary practice is Good Samaritan Hospital, at 520 S 7th St, Vincennes, IN 47591 in Knox County. The practice phone is (812) 882-5220.

Source: Dmand AI Affiliation Data

Dr. John R. Majewski is affiliated with 4 sites of care and 2 medical groups

Dr. Majewski's primary practice is Good Samaritan Hospital in Vincennes, Indiana, part of State of Indiana. Dr. Majewski is also affiliated with Deaconess Midtown Hospital. The medical group on file is Good Samaritan Hospital Physicians Services. Dmand AI also links Dr. Majewski to 1 more hospital, 1 hospice and 1 medical group, each named with a free account.

See all 6 affiliations for Dr. Majewski

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

Dmand AI tracks the EHR system at Dr. John R. Majewski's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Majewski practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Good Samaritan HospitalAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John R. Majewski is one of 1,987 internists in Indiana

Internal medicine is Dr. Majewski's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Majewski is licensed in Indiana.

Specialties and state licenses

  • Internal medicine, IndianaPrimaryLicense 1255967352 · taxonomy 207R00000X

Internists near Dr. Majewski

Counts of internists 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

Dr. John R. Majewski billed Medicare for 1,180 services in 2024

CMS data shows 1,180 Medicare services from Dr. Majewski across 5 procedure codes in 2024, for 397 Medicare patients. Medicare paid $79,813 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 20241,180
Medicare patients397
Paid by Medicare$79,813
Procedure codes5

Dr. Majewski's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2102024: 1,180462%

Dr. Majewski compared with the Indiana median for internists, 2024

  • Dr. Majewski
  • Indiana median
Medicare services
1,180vs 5202.3 times
Medicare patients
397vs 21287% above
Part D claims
102vs 15936% below

Medians across 1,948 internists in Indiana with Dmand AI profiles that report each measure.

Dr. Majewski'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 Dr. Majewski

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

Dr. John R. Majewski treated 397 Medicare patients in 2024, average age 77

CMS counts 397 Medicare patients who saw Dr. Majewski in 2024. The largest group is 75 to 84, with 147 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 2.22, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Majewski's median patient age at 63, with 49% women.

Medicare patients, 2024397
Average age77
Average risk score2.22
Also on Medicaid25%

Dr. Majewski's Medicare patients by age, 2024

Dr. Majewski's Medicare patients by sex, 2024

  • Women20852%
  • Men18948%

Chronic conditions among Dr. Majewski's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis62%
  4. Ischemic heart disease56%
  5. Chronic kidney disease51%
  6. Diabetes50%
  7. Mood disorders47%
  8. Heart failure46%

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

Dr. Majewski's patients across all payers

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

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women49%
  • Men51%

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

Dr. John R. Majewski wrote 336 Medicare Part D claims in 2024

In 2024, Dr. Majewski wrote 336 Medicare Part D claims for 107 patients. 90% of them were for generic drugs. CMS names the drug for 102 of them, across 6 drugs with 11 or more claims each, at $444 in total drug cost. In 2023, CMS named 294 claims across 18 drugs.

Part D claims, 2024336
Drugs named by CMS6
Total drug cost$444
Part D patients107

Dr. Majewski's Part D claims by kind of drug, 2024

  • Generic303 claims90%
  • Brand-name and other33 claims10%

Dr. Majewski's most prescribed drugs by claims, 2024

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

Drug classes CMS tracks in Dr. Majewski's Part D claims, 2024

  • Antibiotics13%45 of 336 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2942024: 10265%

Drugs named by CMS: 6 in 2024, 18 in 2023.

See all prescribing by Dr. Majewski

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

How Dr. John R. Majewski takes part in Medicare

Dr. Majewski accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. John R. Majewski has 1 publication on record

Dmand AI links 1 paper to Dr. Majewski in 2021.

Papers1

Recent publications by Dr. Majewski

See all 1 publications and co-authors

See who Dr. Majewski researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Majewski works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. John R. Majewski received $98 in industry payments from 2024 to 2025

CMS Open Payments shows 4 general payments to Dr. Majewski from 2 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $79.

General payments to Dr. Majewski by program year, 2024 to 2025

Companies that paid Dr. Majewski the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Majewski

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

Sources for Dr. John R. Majewski'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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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 Dr. John R. Majewski

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

What is Dr. John R. Majewski's NPI number?

Dr. John R. Majewski's NPI number is 1255967352. It was assigned on March 20, 2020, and it is active in the NPI Registry.

What kind of doctor is Dr. John R. Majewski?

Dr. John R. Majewski is an internist in Vincennes, Indiana. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. John R. Majewski practice?

Dr. Majewski practices at 520 S 7th St, Vincennes, IN 47591. Dr. Majewski's primary practice is Good Samaritan Hospital in Vincennes, Indiana, part of State of Indiana. Dmand AI also links Dr. Majewski to 1 hospital, 1 hospice and 1 medical group.

What is Dr. John R. Majewski's office phone number?

The practice phone on file for Dr. Majewski is (812) 882-5220.

What is Dr. John R. Majewski's medical license number?

Dr. Majewski holds Indiana license 1255967352.

Which hospitals is Dr. John R. Majewski affiliated with?

Dr. Majewski practices at Good Samaritan Hospital in Vincennes, Indiana. Dr. Majewski is also affiliated with Deaconess Midtown Hospital. Dmand AI links Dr. Majewski to 1 more hospital.

What medical group is Dr. John R. Majewski part of?

Dr. Majewski is linked to Good Samaritan Hospital Physicians Services. Dmand AI links Dr. Majewski to 1 more medical group.

Does Dr. John R. Majewski accept Medicare?

Yes. CMS data shows Dr. Majewski billed Medicare for 1,180 services in 2024, and Dr. Majewski accepts Medicare assignment.

How many Medicare patients does Dr. John R. Majewski see?

CMS counts 397 Medicare patients who saw Dr. Majewski in 2024, with an average age of 77.

What services does Dr. John R. Majewski bill to Medicare?

In 2024, Dr. Majewski's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99238).

Show 4 more questionsShow fewer questions

What drugs does Dr. John R. Majewski prescribe most?

In 2024 Medicare Part D data, Dr. Majewski's most prescribed drugs by claims were Clopidogrel, Atorvastatin Calcium and Cefdinir.

Has Dr. John R. Majewski received payments from drug or device companies?

CMS Open Payments shows $98 in general payments to Dr. Majewski from 2 companies from 2024 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. John R. Majewski been practicing?

Dr. Majewski graduated from medical school in 2019, 7 years ago.

Does Dr. John R. Majewski do research?

Dmand AI links 1 publication to Dr. Majewski.

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