Dr. Stephen Andrew Mihalcik, MD, PhD

  • Chicago, IL
  • Radiation oncologist
NPI1598031205PAC ID8527294552
Medicare services, 2024
2,256
Medicare patients, 2024
587
Part D claims, 2024
140
Publications
9
Clinical trials
2
Practice address
225 E Chicago Ave, Box 140, Chicago, IL 60611
Practice phone
Call (312) 227-4000
Professional email
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Personal email
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Mobile number
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Social profiles

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Dr. Stephen Andrew Mihalcik is a radiation oncologist in Chicago, Illinois

Dr. Mihalcik practices at Ann & Robert H. Lurie Children's Hospital of Chicago in Chicago, Illinois, part of Ann & Robert H. Lurie Children's Hospital of Chicago.

Dr. Mihalcik's NPI, 1598031205, was assigned on March 27, 2012. Dr. Mihalcik graduated from Mayo Medical School in 2012. Dr. Mihalcik holds Illinois license 036142451.

NPI and contact details
Medicare PAC ID
8527294552
NPI enumeration date
March 27, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(312) 227-4000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
40
Medical school graduation
2012

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

Dr. Stephen Andrew Mihalcik practices at Ann & Robert H. Lurie Children's Hospital of Chicago in Chicago, Illinois

Dr. Mihalcik's primary practice is Ann & Robert H. Lurie Children's Hospital of Chicago, at 225 E Chicago Ave, Box 140, Chicago, IL 60611 in Cook County. The practice phone is (312) 227-4000.

Source: Dmand AI Affiliation Data

Dr. Stephen Andrew Mihalcik is affiliated with 6 sites of care and 4 medical groups

Dr. Mihalcik's primary practice is Ann & Robert H. Lurie Children's Hospital of Chicago in Chicago, Illinois, part of Ann & Robert H. Lurie Children's Hospital of Chicago. Dr. Mihalcik is also affiliated with Massachusetts General Hospital. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Mihalcik to 3 more hospitals, 3 medical groups and 1 clinical lab, each named with a free account.

See all 10 affiliations for Dr. Mihalcik

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

Dmand AI tracks the EHR system at Dr. Stephen Andrew Mihalcik's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mihalcik practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Ann & Robert H. Lurie Children's Hospital of ChicagoAvailable with a free account
+5 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Ann & Robert H. Lurie Children's Hospital of Chicago and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Stephen Andrew Mihalcik is one of 243 radiation oncologists in Illinois

Radiation oncology is Dr. Mihalcik's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Mihalcik is licensed in Illinois.

Specialties and state licenses

  • Radiation oncology, IllinoisPrimaryLicense 036142451 · taxonomy 2085R0001X

Radiation oncologists near Dr. Mihalcik

Counts of radiation oncologists 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. Stephen Andrew Mihalcik billed Medicare for 2,256 services in 2024

CMS data shows 2,256 Medicare services from Dr. Mihalcik across 16 procedure codes in 2024, for 587 Medicare patients. Medicare paid $137,984 for them. Every service was in an office.

Medicare services, 20242,256
Medicare patients587
Paid by Medicare$137,984
Procedure codes16

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

  • 2023
  • 2024
Other services
2023: 9492024: 1,34041%
Office and hospital visits
2023: 3042024: 50265%
Imaging
2023: 3602024: 3723%
Surgery
2023: 282024: 4250%

Dr. Mihalcik compared with the Illinois median for radiation oncologists, 2024

  • Dr. Mihalcik
  • Illinois median
Medicare services
2,256vs 1,45955% above
Medicare patients
587vs 1763.3 times
Part D claims
87vs 342.6 times

Medians across 231 radiation oncologists in Illinois with Dmand AI profiles that report each measure.

Dr. Mihalcik'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. Mihalcik

Need commercial claims for Dr. Mihalcik?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mihalcik and other radiation oncologists in Illinois.

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

Dr. Stephen Andrew Mihalcik treated 587 Medicare patients in 2024, average age 74

CMS counts 587 Medicare patients who saw Dr. Mihalcik in 2024. The largest group is 65 to 74, with 318 patients. 75% of them have cancer, and 72% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.41, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Mihalcik's median patient age at 68, with 36% women.

Medicare patients, 2024587
Average age74
Average risk score1.41
Also on Medicaid6%

Dr. Mihalcik's Medicare patients by age, 2024

Dr. Mihalcik's Medicare patients by sex, 2024

  • Women8915%
  • Men49885%

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

  1. Cancer75%
  2. High cholesterol72%
  3. High blood pressure67%
  4. Arthritis35%
  5. Ischemic heart disease28%
  6. Diabetes21%
  7. Chronic kidney disease19%
  8. Anxiety17%

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

Dr. Mihalcik's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women36%
  • Men64%

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

Dr. Stephen Andrew Mihalcik wrote 140 Medicare Part D claims in 2024

In 2024, Dr. Mihalcik wrote 140 Medicare Part D claims for 78 patients. 96% of them were for generic drugs. CMS names the drug for 87 of them, across 3 drugs with 11 or more claims each, at $1,159 in total drug cost. In 2023, CMS named 74 claims across 2 drugs.

Part D claims, 2024140
Drugs named by CMS3
Total drug cost$1,159
Part D patients78

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

  • Generic134 claims96%
  • Brand-name and other6 claims4%

Dr. Mihalcik'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. Mihalcik's Part D claims, 2024

  • Antibiotics28%39 of 140 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: 742024: 8718%

Drugs named by CMS: 3 in 2024, 2 in 2023.

See all prescribing by Dr. Mihalcik

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

Dr. Stephen Andrew Mihalcik scored 95 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Mihalcik for performance year 2024, reported through an alternative payment model (APM). Dr. Mihalcik accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Mihalcik's MIPS scores, performance year 2024

  • 95of 100Final score
  • 83of 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

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Dr. Stephen Andrew Mihalcik has 9 publications on record

Dmand AI links 9 papers to Dr. Mihalcik, published from 2016 to 2025. 2025 was the busiest year, with 3. The most frequent topics are Prostatic Neoplasms, Proton Therapy and Brachytherapy. Dr. Mihalcik has published most often in Pract Radiat Oncol. Dr. Mihalcik's most frequent co-authors are Ralph Philip Ermoian, MD, Nadia Nicole Issa Laack, MD and Daniel J. Indelicato, MD.

Papers9
Years published2016 to 2025

Dr. Mihalcik's papers by year, 2016 to 2025

Topics Dr. Mihalcik writes about most

  • Prostatic Neoplasms
  • Proton Therapy
  • Brachytherapy
  • Prostate-Specific Antigen

Dr. Mihalcik's most frequent co-authors

Recent publications by Dr. Mihalcik

See all 9 publications and co-authors

See who Dr. Mihalcik researches with

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

How network discovery works

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

Dr. Stephen Andrew Mihalcik has worked on 2 clinical trials

Dmand AI links Dr. Mihalcik to 2 clinical trials. 2 are still active or recruiting. Conditions studied include Adenocarcinoma Of Esophagus, Carcinoma, Intraductal, Noninfiltrating and Breast Carcinoma In Situ.

Conditions in Dr. Mihalcik's trials

  • Adenocarcinoma Of Esophagus
  • Carcinoma, Intraductal, Noninfiltrating
  • Breast Carcinoma In Situ

Investigators on the most trials with Dr. Mihalcik

Recent clinical trials with Dr. Mihalcik

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Stephen Andrew Mihalcik received $3,033 in industry payments from 2018 to 2024

CMS Open Payments shows 7 general payments to Dr. Mihalcik from 5 drug and device companies from 2018 to 2024. Food and beverage make up the largest share, 51% of the total. Ion Beam Applications S.A. paid the most, $2,435.

General payments to Dr. Mihalcik by program year, 2018 to 2024

General payments to Dr. Mihalcik by kind, 2018 to 2024

$3Kin total
  • Food and beverage$1,53351%
  • Travel and lodging$1,50049%

Companies that paid Dr. Mihalcik the most, 2018 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Mihalcik

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

Dr. Stephen Andrew Mihalcik graduated from Mayo Medical School

Dr. Mihalcik graduated from Mayo Medical School in 2012.

  1. Medical schoolMayo Medical School

Source: Dmand AI Professional Profile Data

Sources for Dr. Stephen Andrew Mihalcik'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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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. Stephen Andrew Mihalcik

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. Stephen Andrew Mihalcik's NPI number?

Dr. Stephen Andrew Mihalcik's NPI number is 1598031205. It was assigned on March 27, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. Stephen Andrew Mihalcik?

Dr. Stephen Andrew Mihalcik is a radiation oncologist in Chicago, Illinois. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).

Where does Dr. Stephen Andrew Mihalcik practice?

Dr. Mihalcik practices at 225 E Chicago Ave, Box 140, Chicago, IL 60611. Dr. Mihalcik's primary practice is Ann & Robert H. Lurie Children's Hospital of Chicago in Chicago, Illinois, part of Ann & Robert H. Lurie Children's Hospital of Chicago. Dmand AI also links Dr. Mihalcik to 3 hospitals, 3 medical groups and 1 clinical lab.

What is Dr. Stephen Andrew Mihalcik's office phone number?

The practice phone on file for Dr. Mihalcik is (312) 227-4000.

What is Dr. Stephen Andrew Mihalcik's medical license number?

Dr. Mihalcik holds Illinois license 036142451.

Which hospitals is Dr. Stephen Andrew Mihalcik affiliated with?

Dr. Mihalcik practices at Ann & Robert H. Lurie Children's Hospital of Chicago in Chicago, Illinois. Dr. Mihalcik is also affiliated with Massachusetts General Hospital. Dmand AI links Dr. Mihalcik to 3 more hospitals.

What medical group is Dr. Stephen Andrew Mihalcik part of?

Dr. Mihalcik is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Mihalcik to 3 more medical groups.

Does Dr. Stephen Andrew Mihalcik accept Medicare?

Yes. CMS data shows Dr. Mihalcik billed Medicare for 2,256 services in 2024, and Dr. Mihalcik accepts Medicare assignment.

What is Dr. Stephen Andrew Mihalcik's MIPS score?

Dr. Mihalcik's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. Stephen Andrew Mihalcik see?

CMS counts 587 Medicare patients who saw Dr. Mihalcik in 2024, with an average age of 74.

Show 7 more questionsShow fewer questions

What services does Dr. Stephen Andrew Mihalcik bill to Medicare?

In 2024, Dr. Mihalcik's most billed Medicare services were medicare service (G6002), office visit, established patient (99213) and office visit, established patient (99214).

Where did Dr. Stephen Andrew Mihalcik go to medical school?

Dr. Mihalcik graduated from Mayo Medical School in 2012.

What drugs does Dr. Stephen Andrew Mihalcik prescribe most?

In 2024 Medicare Part D data, Dr. Mihalcik's most prescribed drugs by claims were Tamsulosin HCl, Ciprofloxacin HCl and Clindamycin HCl.

Has Dr. Stephen Andrew Mihalcik received payments from drug or device companies?

CMS Open Payments shows $3,033 in general payments to Dr. Mihalcik from 5 companies from 2018 to 2024. The largest total came from Ion Beam Applications S.A.

How long has Dr. Stephen Andrew Mihalcik been practicing?

Dr. Mihalcik graduated from medical school in 2012, 14 years ago.

Does Dr. Stephen Andrew Mihalcik do research?

Dmand AI links 9 publications to Dr. Mihalcik, published from 2016 to 2025. Dr. Mihalcik has worked on 2 clinical trials.

Who does Dr. Stephen Andrew Mihalcik publish with?

Dr. Mihalcik's most frequent co-authors are Ralph Philip Ermoian, MD (3 shared papers), Nadia Nicole Issa Laack, MD (3 shared papers) and Daniel J. Indelicato, MD (2 shared papers).

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