Dr. Mark E. Hroncich, MD
- Medicare services, 2024
- 1,169
- Medicare patients, 2024
- 281
- Part D claims, 2024
- 9,027
- Publications
- 1
- Hospital affiliations
- 3
- Practice address
- 2160 S 1st Avenue, Maywood, IL 60153
- Practice phone
- Call (708) 216-3299
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Loyola Medicine Pediatric Mobile Health Unit
Mobile Lab · Maywood, Illinois
Find Dr. Hroncich's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Mark E. Hroncich is an internist in Maywood, Illinois
Dr. Hroncich practices at Loyola Medicine Pediatric Mobile Health Unit in Maywood, Illinois.
Dr. Hroncich's NPI, 1265465108, was assigned on July 7, 2006. Dr. Hroncich graduated from Feinberg School of Medicine in 1984. Dr. Hroncich holds Illinois license 036-071240.
- NPI
- 1265465108NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032299607
- NPI enumeration date
- July 7, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (708) 216-3299
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark E. Hroncich practices at Loyola Medicine Pediatric Mobile Health Unit in Maywood, Illinois
Dr. Hroncich's primary practice is Loyola Medicine Pediatric Mobile Health Unit, at 2160 S 1st Avenue, Maywood, IL 60153. The practice phone is (708) 216-3299.
- Loyola Medicine Pediatric Mobile Health Unit2160 S 1st Avenue, Maywood, IL 60153Phone(708) 216-3299
Source: Dmand AI Affiliation Data
Dr. Mark E. Hroncich is affiliated with 6 sites of care and 2 medical groups
Dr. Hroncich's primary practice is Loyola Medicine Pediatric Mobile Health Unit in Maywood, Illinois. Dr. Hroncich is also affiliated with Loyola University Medical Center. The medical group on file is Loyola University Medical Center. Dmand AI also links Dr. Hroncich to 2 more hospitals, 1 group practice or clinic, 1 home health agency and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark E. Hroncich's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hroncich practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Loyola Medicine Pediatric Mobile Health Unit | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark E. Hroncich is one of 5,652 internists in Illinois
Internal medicine is Dr. Hroncich's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hroncich is board certified in geriatric medicine by the American Board of Internal Medicine. Dr. Hroncich is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Clinical focus
Dmand AI lists acid reflux, acute skin infection, alzheimer's disease, aneurysm, arthritis, asthma, atrial fibrillation and flutter and cardiomyopathy among the conditions Dr. Hroncich treats.
Internists near Dr. Hroncich
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. Mark E. Hroncich billed Medicare for 1,169 services in 2024
CMS data shows 1,169 Medicare services from Dr. Hroncich across 15 procedure codes in 2024, for 281 Medicare patients. Medicare paid $96,391 for them. Every service was in an office.
Dr. Hroncich's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7282024: 7132%
- Other services
- 2023: 2702024: 31216%
- Tests and treatments
- 2023: 1432024: 1441%
Dr. Hroncich compared with the Illinois median for internists, 2024
- Dr. Hroncich
- Illinois median
- Medicare services
- 1,169vs 5662.1 times
- Medicare patients
- 281vs 20835% above
- Part D claims
- 8,281vs 28429.2 times
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Hroncich'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.
Need commercial claims for Dr. Hroncich?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hroncich and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark E. Hroncich treated 281 Medicare patients in 2024, average age 75
CMS counts 281 Medicare patients who saw Dr. Hroncich in 2024. The largest group is 65 to 74, with 114 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.21, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hroncich's median patient age at 70, with 44% women.
Dr. Hroncich's Medicare patients by age, 2024
Dr. Hroncich's Medicare patients by sex, 2024
- Women15154%
- Men13046%
Chronic conditions among Dr. Hroncich's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis41%
- Diabetes33%
- Ischemic heart disease23%
- Atrial fibrillation21%
- Osteoporosis18%
- Chronic kidney disease17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hroncich's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women44%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark E. Hroncich wrote 9,027 Medicare Part D claims in 2024
In 2024, Dr. Hroncich wrote 9,027 Medicare Part D claims for 552 patients. 87% of them were for generic drugs. CMS names the drug for 8,281 of them, across 146 drugs with 11 or more claims each, at $533,783 in total drug cost. In 2023, CMS named 8,155 claims across 143 drugs.
Dr. Hroncich's Part D claims by kind of drug, 2024
- Generic7,821 claims87%
- Brand-name1,087 claims12%
- Other119 claims1%
Dr. Hroncich'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. Hroncich's Part D claims, 2024
- Opioids5%425 of 9,027 claims
- Antibiotics3%254 of 9,027 claims
- Antipsychotics, patients 65 and over0%40 of 9,027 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: 8,1552024: 8,2812%
Drugs named by CMS: 146 in 2024, 143 in 2023.
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. Mark E. Hroncich offers telehealth to Medicare patients
Dr. Hroncich accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hroncich as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Mark E. Hroncich has 1 publication on record
Dmand AI links 1 paper to Dr. Hroncich.
Recent publications by Dr. Hroncich
See who Dr. Hroncich researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hroncich works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark E. Hroncich received $315 in industry payments from 2016 to 2017
CMS Open Payments shows 3 general payments to Dr. Hroncich from 3 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 69% of the total. Regeneron Pharmaceuticals, Inc. paid the most, $115.
General payments to Dr. Hroncich by program year, 2016 to 2017
General payments to Dr. Hroncich by kind, 2016 to 2017
- Food and beverage$21669%
- Education$9931%
Companies that paid Dr. Hroncich the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark E. Hroncich has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Hroncich, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Hroncich
- 2013
- CMS Stage 1 EHR
- Undated
- Bridges to Excellence
Source: Dmand AI Professional Profile Data
Dr. Mark E. Hroncich graduated from Feinberg School of Medicine
Dr. Hroncich graduated from Feinberg School of Medicine in 1984.
- Medical school
- Board certified in geriatric medicine
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Mark E. Hroncich accepts plans from 16 insurance carriers
Dr. Hroncich is in network with 16 carriers, including Aetna, HCSC and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- HCSC
- Blue Cross Blue Shield of Michigan
- Cigna
- United Healthcare
- Elevance
- Humana
- Blue Cross Blue Shield of Massachusetts
- +8 more carriersWith a free account
Plan types Dr. Hroncich accepts, by number of carriers
- HMO11
- Medicare10
- PPO10
- POS6
- EPO2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Mark E. Hroncich's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Mark E. Hroncich
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. Mark E. Hroncich's NPI number?
Dr. Mark E. Hroncich's NPI number is 1265465108. It was assigned on July 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark E. Hroncich?
Dr. Mark E. Hroncich is an internist in Maywood, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mark E. Hroncich practice?
Dr. Hroncich practices at 2160 S 1st Avenue, Maywood, IL 60153. Dr. Hroncich's primary practice is Loyola Medicine Pediatric Mobile Health Unit in Maywood, Illinois. Dmand AI also links Dr. Hroncich to 2 hospitals, 1 group practice or clinic, 1 home health agency and 1 medical group.
What is Dr. Mark E. Hroncich's office phone number?
The practice phone on file for Dr. Hroncich is (708) 216-3299.
What is Dr. Mark E. Hroncich's medical license number?
Dr. Hroncich holds Illinois license 036-071240.
Which hospitals is Dr. Mark E. Hroncich affiliated with?
Dr. Hroncich is affiliated with Loyola University Medical Center. Dmand AI links Dr. Hroncich to 2 more hospitals.
What medical group is Dr. Mark E. Hroncich part of?
Dr. Hroncich is linked to Loyola University Medical Center. Dmand AI links Dr. Hroncich to 1 more medical group.
Does Dr. Mark E. Hroncich accept Medicare?
Yes. CMS data shows Dr. Hroncich billed Medicare for 1,169 services in 2024, and Dr. Hroncich accepts Medicare assignment.
Does Dr. Mark E. Hroncich offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Hroncich as offering telehealth services.
How many Medicare patients does Dr. Mark E. Hroncich see?
CMS counts 281 Medicare patients who saw Dr. Hroncich in 2024, with an average age of 75.
Show 8 more questionsShow fewer questions
Is Dr. Mark E. Hroncich board certified?
Yes. Dr. Hroncich is board certified in geriatric medicine by the American Board of Internal Medicine.
What services does Dr. Mark E. Hroncich bill to Medicare?
In 2024, Dr. Hroncich's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
Where did Dr. Mark E. Hroncich go to medical school?
Dr. Hroncich graduated from Feinberg School of Medicine in 1984.
What drugs does Dr. Mark E. Hroncich prescribe most?
In 2024 Medicare Part D data, Dr. Hroncich's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Hydrocodone-Acetaminophen.
Has Dr. Mark E. Hroncich received payments from drug or device companies?
CMS Open Payments shows $315 in general payments to Dr. Hroncich from 3 companies from 2016 to 2017. The largest total came from Regeneron Pharmaceuticals, Inc.
How long has Dr. Mark E. Hroncich been practicing?
Dr. Hroncich graduated from medical school in 1984, 42 years ago.
Does Dr. Mark E. Hroncich do research?
Dmand AI links 1 publication to Dr. Hroncich.
What insurance does Dr. Mark E. Hroncich accept?
Dr. Hroncich is in network with 16 carriers, including Aetna, HCSC and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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