Dr. John Sobolski, MD
- Medicare services, 2019
- 559
- Part D claims, 2020
- 24
- Industry payments
- $47
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 2545 S King Dr, Chicago, IL 60616-2441
- Practice phone
- Call (312) 842-7117
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Advocate Medical Group (dreyer) - Chicago (2545 S King Dr)
Primary care practice · Chicago, Illinois
Find Dr. Sobolski'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. John Sobolski is a cardiologist in Chicago, Illinois
Dr. Sobolski practices at Advocate Medical Group (dreyer) - Chicago (2545 S King Dr) in Chicago, Illinois.
Dr. Sobolski's NPI, 1013928134, was assigned on August 11, 2006.
- NPI
- 1013928134NPI Registry (opens in a new tab)
- NPI enumeration date
- August 11, 2006
- NPI status
- Active
- Practice phone
- (312) 842-7117
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Sobolski practices at Advocate Medical Group (dreyer) - Chicago (2545 S King Dr) in Chicago, Illinois
Dr. Sobolski's primary practice is Advocate Medical Group (dreyer) - Chicago (2545 S King Dr), at 2545 S King Dr, Chicago, IL 60616-2441. The practice phone is (312) 842-7117.
- Advocate Medical Group (dreyer) - Chicago (2545 S King Dr)2545 S King Dr, Chicago, IL 60616-2441Phone(312) 842-7117
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Sobolski is affiliated with 1 site of care and 1 medical group
Dr. Sobolski's primary practice is Advocate Medical Group (dreyer) - Chicago (2545 S King Dr) in Chicago, Illinois. The medical group on file is Dreyer Medical Clinic (Advocate Medical Group).
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. John Sobolski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sobolski practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advocate Medical Group (dreyer) - Chicago (2545 S King Dr) | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Sobolski is one of 908 cardiologists in Illinois
Cardiovascular disease is Dr. Sobolski's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Sobolski has a license on file in Illinois.
Specialties and state licenses
- Cardiovascular disease, Illinois
Cardiologists near Dr. Sobolski
Counts of cardiologists 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 Sobolski billed Medicare for 559 services in 2019
CMS data shows 559 Medicare services from Dr. Sobolski across 12 procedure codes in 2019. Medicare paid $37,859 for them. Every service was in an office.
Dr. Sobolski's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Tests and treatments
- 2018: 5432019: 30544%
- Office and hospital visits
- 2018: 3142019: 18441%
- Other services
- 2018: 1782019: 7061%
- Drugs given in the office
- 2018: 192019: 0100%
- Surgery
- 2018: 142019: 0100%
Dr. Sobolski compared with the Illinois median for cardiologists, 2019
- Dr. Sobolski
- Illinois median
- Medicare services
- 559vs 1,93671% below
- Part D claims
- 24vs 1,50298% below
Medians across 906 cardiologists in Illinois with Dmand AI profiles that report each measure.
Dr. Sobolski's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sobolski and other cardiologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Sobolski's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts Dr. Sobolski's median patient age at 74, with 25% women.
Dr. Sobolski's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women25%
- Men75%
Source: Dmand AI Patient Panel Data
Dr. John Sobolski wrote 24 Medicare Part D claims in 2020
In 2020, Dr. Sobolski wrote 24 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $664 in total drug cost. In 2019, CMS named 798 claims across 21 drugs.
Dr. Sobolski's most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 7982020: 2497%
Drugs named by CMS: 1 in 2020, 21 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. John Sobolski received $47 in industry payments from 2016 to 2017
CMS Open Payments shows 3 general payments to Dr. Sobolski from 2 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $33.
General payments to Dr. Sobolski by program year, 2016 to 2017
Companies that paid Dr. Sobolski the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John Sobolski'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. John Sobolski
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 Sobolski's NPI number?
Dr. John Sobolski's NPI number is 1013928134. It was assigned on August 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Sobolski?
Dr. John Sobolski is a cardiologist in Chicago, Illinois. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. John Sobolski practice?
Dr. Sobolski practices at 2545 S King Dr, Chicago, IL 60616-2441. Dr. Sobolski's primary practice is Advocate Medical Group (dreyer) - Chicago (2545 S King Dr) in Chicago, Illinois.
What is Dr. John Sobolski's office phone number?
The practice phone on file for Dr. Sobolski is (312) 842-7117.
What medical group is Dr. John Sobolski part of?
Dr. Sobolski is linked to Dreyer Medical Clinic (Advocate Medical Group).
Does Dr. John Sobolski accept Medicare?
Yes. CMS data shows Dr. Sobolski billed Medicare for 559 services in 2019.
What services does Dr. John Sobolski bill to Medicare?
In 2019, Dr. Sobolski's most billed Medicare services were heart test or procedure (93000), office visit, established patient (99213) and medicare temporary code (Q9957).
What drugs does Dr. John Sobolski prescribe most?
In 2020 Medicare Part D data, Dr. Sobolski's most prescribed drugs by claims were Metoprolol Succinate.
Has Dr. John Sobolski received payments from drug or device companies?
CMS Open Payments shows $47 in general payments to Dr. Sobolski from 2 companies from 2016 to 2017. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. John Sobolski been practicing?
Dr. Sobolski's NPI was assigned in 2006.
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