Dr. Athanasios Vlahos, MD

  • Chicago, IL
  • Interventional radiologist
NPI1588617757PAC ID5496783797
Medicare services, 2024
447
Medicare patients, 2024
310
Part D claims, 2024
38
Publications
1
Clinical trials
2
Practice address
2320 E 93rd St, Chicago, IL 60617
Practice phone
Call (773) 967-5002
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Advocate Trinity Hospital

Hospital · Chicago, Illinois

See all 9 affiliations

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Dr. Athanasios Vlahos is an interventional radiologist in Chicago, Illinois

Dr. Vlahos practices at Advocate Trinity Hospital in Chicago, Illinois, part of Advocate Health.

Dr. Vlahos' NPI, 1588617757, was assigned on May 18, 2006. Dr. Vlahos graduated from University of Illinois College of Medicine - Chicago in 1999. Dr. Vlahos holds Illinois license 036110155.

NPI and contact details
Medicare PAC ID
5496783797
NPI enumeration date
May 18, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(773) 967-5002
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
53
Medical school graduation
1999

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

Dr. Athanasios Vlahos practices at Advocate Trinity Hospital in Chicago, Illinois

Dr. Vlahos' primary practice is Advocate Trinity Hospital, at 2320 E 93rd St, Chicago, IL 60617 in Cook County. The practice phone is (773) 967-5002.

Source: Dmand AI Affiliation Data

Dr. Athanasios Vlahos is affiliated with 7 sites of care and 2 medical groups

Dr. Vlahos' primary practice is Advocate Trinity Hospital in Chicago, Illinois, part of Advocate Health. Dr. Vlahos is also affiliated with UChicago Medicine AdventHealth Hinsdale. The medical group on file is Vascular and Interventional Professionals. Dmand AI also links Dr. Vlahos to 3 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 9 affiliations for Dr. Vlahos

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

Dmand AI tracks the EHR system at Dr. Athanasios Vlahos' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Vlahos practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Advocate Trinity HospitalAvailable with a free account
+6 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Athanasios Vlahos is one of 187 interventional radiologists in Illinois

Vascular and interventional radiology is Dr. Vlahos' primary specialty in the NPI Registry, under taxonomy code 2085R0204X. Dr. Vlahos is board certified in interventional radiology and diagnostic radiology by the American Board of Radiology. Dr. Vlahos is licensed in Illinois.

Specialties and state licenses

  • Vascular and interventional radiology, IllinoisPrimaryLicense 036110155 · 2003 to 2026 · taxonomy 2085R0204X

Interventional radiologists near Dr. Vlahos

Counts of interventional radiologists 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. Athanasios Vlahos billed Medicare for 447 services in 2024

CMS data shows 447 Medicare services from Dr. Vlahos across 13 procedure codes in 2024, for 310 Medicare patients. Medicare paid $21,363 for them.

Medicare services, 2024447
Medicare patients310
Paid by Medicare$21,363
Procedure codes13

Dr. Vlahos' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Imaging
2023: 982024: 13134%
Tests and treatments
2023: 852024: 12446%
Office and hospital visits
2023: 1302024: 10519%
Surgery
2023: 842024: 874%

Where Dr. Vlahos' Medicare services took place, 2024

  • In an office112%
  • In a facility43698%

Dr. Vlahos compared with the Illinois median for interventional radiologists, 2024

  • Dr. Vlahos
  • Illinois median
Medicare services
447vs 92051% below
Medicare patients
310vs 53842% below
Part D claims
15vs 1921% below

Medians across 164 interventional radiologists in Illinois with Dmand AI profiles that report each measure.

Dr. Vlahos' 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. Vlahos

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

Dr. Athanasios Vlahos treated 310 Medicare patients in 2024, average age 75

CMS counts 310 Medicare patients who saw Dr. Vlahos in 2024. The largest group is 65 to 74, with 112 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 3.47, 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. Vlahos' median patient age at 67, with 56% women.

Medicare patients, 2024310
Average age75
Average risk score3.47
Also on Medicaid31%

Dr. Vlahos' Medicare patients by age, 2024

Dr. Vlahos' Medicare patients by sex, 2024

  • Women15851%
  • Men15249%

Chronic conditions among Dr. Vlahos' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis60%
  4. Chronic kidney disease59%
  5. Diabetes54%
  6. Ischemic heart disease48%
  7. Heart failure46%
  8. Atrial fibrillation33%

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

Dr. Vlahos' patients across all payers

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

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women56%
  • Men43%

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

Dr. Athanasios Vlahos wrote 38 Medicare Part D claims in 2024

In 2024, Dr. Vlahos wrote 38 Medicare Part D claims for 19 patients. 97% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $134 in total drug cost. In 2023, CMS named 13 claims across 1 drug.

Part D claims, 202438
Drugs named by CMS1
Total drug cost$134
Part D patients19

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

  • Generic37 claims97%
  • Brand-name and other1 claims3%

Dr. Vlahos' 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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 132024: 1515%

Drugs named by CMS: 1 in 2024, 1 in 2023.

See all prescribing by Dr. Vlahos

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. Athanasios Vlahos ranks in the 48th percentile for varicose vein removal in Medicare

Dr. Vlahos accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 13 procedures of varicose vein removal by Dr. Vlahos, more than 48% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Vlahos ranks in Medicare procedure volume

Varicose vein removal
48th percentile13 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Athanasios Vlahos has 1 publication on record

Dmand AI links 1 paper to Dr. Vlahos in 2017. Dr. Vlahos' most frequent co-authors are Eric J. Gandras, Jeremy David Handel, MD and Eric J. Hohenwalter, MD.

Papers1

Dr. Vlahos' most frequent co-authors

Recent publications by Dr. Vlahos

See all 1 publications and co-authors

See who Dr. Vlahos researches with

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

How network discovery works

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

Dr. Athanasios Vlahos has worked on 2 clinical trials

Dmand AI links Dr. Vlahos to 2 clinical trials. 1 is still active or recruiting. Conditions studied include Postphlebitic Syndrome, Postthrombotic Syndrome and Phlebitis. Washington University School of Medicine sponsors the most, 2.

Conditions in Dr. Vlahos' trials

  • Postphlebitic Syndrome
  • Postthrombotic Syndrome
  • Phlebitis
  • Venous Insufficiency

Investigators on the most trials with Dr. Vlahos

Recent clinical trials with Dr. Vlahos

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

Dr. Athanasios Vlahos received $2,164 in industry payments from 2016 to 2025

CMS Open Payments shows 45 general payments to Dr. Vlahos from 21 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Argon Medical Devices, Inc. paid the most, $293.

General payments to Dr. Vlahos by program year, 2016 to 2025

General payments to Dr. Vlahos by kind, 2016 to 2025

$2.2Kin total
  • Food and beverage$2,13299%
  • Travel and lodging$321%

Companies that paid Dr. Vlahos the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Vlahos

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

Dr. Athanasios Vlahos graduated from University of Illinois College of Medicine - Chicago

Dr. Vlahos graduated from University of Illinois College of Medicine - Chicago in 1999. Dr. Vlahos is a member of SIR.

  1. Medical schoolUniversity of Illinois College of Medicine - Chicago
  2. Board certified in interventional radiology and diagnostic radiologyAmerican Board of Radiology

Source: Dmand AI Professional Profile Data

Dr. Athanasios Vlahos accepts plans from 8 insurance carriers

Dr. Vlahos is in network with 8 carriers, including Blue Cross Blue Shield of Michigan, Cigna and HCSC. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • Cigna
  • HCSC
  • Humana
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • CMS Medicare

Plan types Dr. Vlahos accepts, by number of carriers

  1. Medicare8
  2. PPO6
  3. HMO5
  4. POS4

Source: Dmand AI Insurance Network Data

Sources for Dr. Athanasios Vlahos'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)Doctors and Clinicians Utilization Data (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
Insurance carriers and plan typesDmand AI Insurance Network 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. Athanasios Vlahos

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. Athanasios Vlahos' NPI number?

Dr. Athanasios Vlahos' NPI number is 1588617757. It was assigned on May 18, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Athanasios Vlahos?

Dr. Athanasios Vlahos is an interventional radiologist in Chicago, Illinois. The primary specialty in the NPI Registry is Vascular & Interventional Radiology Physician (taxonomy code 2085R0204X).

Where does Dr. Athanasios Vlahos practice?

Dr. Vlahos practices at 2320 E 93rd St, Chicago, IL 60617. Dr. Vlahos' primary practice is Advocate Trinity Hospital in Chicago, Illinois, part of Advocate Health. Dmand AI also links Dr. Vlahos to 3 hospitals, 2 group practices and clinics and 1 medical group.

What is Dr. Athanasios Vlahos' office phone number?

The practice phone on file for Dr. Vlahos is (773) 967-5002.

What is Dr. Athanasios Vlahos' medical license number?

Dr. Vlahos holds Illinois license 036110155.

Which hospitals is Dr. Athanasios Vlahos affiliated with?

Dr. Vlahos practices at Advocate Trinity Hospital in Chicago, Illinois. Dr. Vlahos is also affiliated with UChicago Medicine AdventHealth Hinsdale. Dmand AI links Dr. Vlahos to 3 more hospitals.

What medical group is Dr. Athanasios Vlahos part of?

Dr. Vlahos is linked to Vascular and Interventional Professionals. Dmand AI links Dr. Vlahos to 1 more medical group.

Does Dr. Athanasios Vlahos accept Medicare?

Yes. CMS data shows Dr. Vlahos billed Medicare for 447 services in 2024, and Dr. Vlahos accepts Medicare assignment.

How many Medicare patients does Dr. Athanasios Vlahos see?

CMS counts 310 Medicare patients who saw Dr. Vlahos in 2024, with an average age of 75.

Is Dr. Athanasios Vlahos board certified?

Yes. Dr. Vlahos is board certified in interventional radiology and diagnostic radiology by the American Board of Radiology.

Show 8 more questionsShow fewer questions

What services does Dr. Athanasios Vlahos bill to Medicare?

In 2024, Dr. Vlahos' most billed Medicare services were special service (99152), hospital inpatient care (99232) and ultrasound (76937).

Where did Dr. Athanasios Vlahos go to medical school?

Dr. Vlahos graduated from University of Illinois College of Medicine - Chicago in 1999.

What drugs does Dr. Athanasios Vlahos prescribe most?

In 2024 Medicare Part D data, Dr. Vlahos' most prescribed drugs by claims were Clopidogrel.

Has Dr. Athanasios Vlahos received payments from drug or device companies?

CMS Open Payments shows $2,164 in general payments to Dr. Vlahos from 21 companies from 2016 to 2025. The largest total came from Argon Medical Devices, Inc.

How long has Dr. Athanasios Vlahos been practicing?

Dr. Vlahos graduated from medical school in 1999, 27 years ago.

Does Dr. Athanasios Vlahos do research?

Dmand AI links 1 publication to Dr. Vlahos. Dr. Vlahos has worked on 2 clinical trials.

Who does Dr. Athanasios Vlahos publish with?

Dr. Vlahos' most frequent co-authors are Eric J. Gandras (1 shared paper), Jeremy David Handel, MD (1 shared paper) and Eric J. Hohenwalter, MD (1 shared paper).

What insurance does Dr. Athanasios Vlahos accept?

Dr. Vlahos is in network with 8 carriers, including Blue Cross Blue Shield of Michigan, Cigna and HCSC. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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