Dr. Bartlomiej Maciej Calka, DO
- Medicare services, 2024
- 357
- Medicare patients, 2024
- 129
- Part D claims, 2024
- 758
- Hospital affiliations
- 1
- Industry payments
- $934
- Practice address
- 1740 West Taylor St Suite 1400, Chicago, IL 60612
- Practice phone
- Call (312) 996-3900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Calka's professional email, personal email and mobile number
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Dr. Bartlomiej Maciej Calka is a nephrologist in Chicago, Illinois
Dr. Calka practices at University of Illinois Hospital in Chicago, Illinois, part of University of Illinois System.
Dr. Calka's NPI, 1962854943, was assigned on July 1, 2016. Dr. Calka graduated from Kansas City University of Med & Biosciences, College of Osteo Med in 2016. Dr. Calka holds Illinois license 036167234.
- NPI
- 1962854943NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6901191832
- NPI enumeration date
- July 1, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (312) 996-3900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Bartlomiej Maciej Calka practices at University of Illinois Hospital in Chicago, Illinois
Dr. Calka's primary practice is University of Illinois Hospital, at 1740 West Taylor St Suite 1400, Chicago, IL 60612 in Cook County. The practice phone is (312) 996-3900.
- University of Illinois Hospital1740 West Taylor St Suite 1400, Chicago, IL 60612 · Cook CountyPhone(312) 996-3900
Source: Dmand AI Affiliation Data
Dr. Bartlomiej Maciej Calka is affiliated with 2 sites of care and 2 medical groups
Dr. Calka's primary practice is University of Illinois Hospital in Chicago, Illinois, part of University of Illinois System. The medical group on file is Ochsner Health. Dmand AI also links Dr. Calka to 1 more group practice or clinic 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. Bartlomiej Maciej Calka's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Calka practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University of Illinois Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Bartlomiej Maciej Calka is one of 534 nephrologists in Illinois
Nephrology is Dr. Calka's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Calka is licensed in Illinois.
Specialties and state licenses
- Nephrology, IllinoisPrimary
Nephrologists near Dr. Calka
Counts of nephrologists 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. Bartlomiej Maciej Calka billed Medicare for 357 services in 2024
CMS data shows 357 Medicare services from Dr. Calka across 6 procedure codes in 2024, for 129 Medicare patients. Medicare paid $34,974 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Calka's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7202024: 35750%
- Tests and treatments
- 2023: 622024: 0100%
Dr. Calka compared with the Illinois median for nephrologists, 2024
- Dr. Calka
- Illinois median
- Medicare services
- 357vs 1,28472% below
- Medicare patients
- 129vs 35764% below
- Part D claims
- 433vs 57825% below
Medians across 526 nephrologists in Illinois with Dmand AI profiles that report each measure.
Dr. Calka'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Calka and other nephrologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Bartlomiej Maciej Calka treated 129 Medicare patients in 2024, average age 65
CMS counts 129 Medicare patients who saw Dr. Calka in 2024. The largest group is 65 to 74, with 51 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 74% are also on Medicaid. Their average risk score is 3.69, 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. Calka's median patient age at 66, with 52% women.
Dr. Calka's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Calka's Medicare patients by sex, 2024
- Women7558%
- Men5442%
Chronic conditions among Dr. Calka's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease68%
- Diabetes68%
- Arthritis57%
- Ischemic heart disease52%
- Heart failure48%
- Mood disorders43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Calka's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Bartlomiej Maciej Calka wrote 758 Medicare Part D claims in 2024
In 2024, Dr. Calka wrote 758 Medicare Part D claims for 246 patients. 86% of them were for generic drugs. CMS names the drug for 433 of them, across 17 drugs with 11 or more claims each, at $16,662 in total drug cost. In 2023, CMS named 1,666 claims across 39 drugs.
Dr. Calka's Part D claims by kind of drug, 2024
- Generic653 claims86%
- Brand-name and other105 claims14%
Dr. Calka'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. Calka's Part D claims, 2024
- Opioids3%22 of 758 claims
- Antibiotics4%31 of 758 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: 1,6662024: 43374%
Drugs named by CMS: 17 in 2024, 39 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
How Dr. Bartlomiej Maciej Calka takes part in Medicare
Dr. Calka 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. Bartlomiej Maciej Calka received $934 in industry payments from 2017 to 2023
CMS Open Payments shows 10 general payments to Dr. Calka from 10 drug and device companies from 2017 to 2023. Food and beverage make up the largest share, 100% of the total. Relypsa, Inc. paid the most, $125.
General payments to Dr. Calka by program year, 2017 to 2023
Companies that paid Dr. Calka the most, 2017 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Bartlomiej Maciej Calka graduated from Kansas City University of Med & Biosciences, College of Osteo Med
Dr. Calka graduated from Kansas City University of Med & Biosciences, College of Osteo Med in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Bartlomiej Maciej Calka'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Bartlomiej Maciej Calka
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. Bartlomiej Maciej Calka's NPI number?
Dr. Bartlomiej Maciej Calka's NPI number is 1962854943. It was assigned on July 1, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Bartlomiej Maciej Calka?
Dr. Bartlomiej Maciej Calka is a nephrologist in Chicago, Illinois. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Bartlomiej Maciej Calka practice?
Dr. Calka practices at 1740 West Taylor St Suite 1400, Chicago, IL 60612. Dr. Calka's primary practice is University of Illinois Hospital in Chicago, Illinois, part of University of Illinois System. Dmand AI also links Dr. Calka to 1 group practice or clinic and 1 medical group.
What is Dr. Bartlomiej Maciej Calka's office phone number?
The practice phone on file for Dr. Calka is (312) 996-3900.
What is Dr. Bartlomiej Maciej Calka's medical license number?
Dr. Calka holds Illinois license 036167234.
Which hospitals is Dr. Bartlomiej Maciej Calka affiliated with?
Dr. Calka practices at University of Illinois Hospital in Chicago, Illinois.
What medical group is Dr. Bartlomiej Maciej Calka part of?
Dr. Calka is linked to Ochsner Health. Dmand AI links Dr. Calka to 1 more medical group.
Does Dr. Bartlomiej Maciej Calka accept Medicare?
Yes. CMS data shows Dr. Calka billed Medicare for 357 services in 2024, and Dr. Calka accepts Medicare assignment.
How many Medicare patients does Dr. Bartlomiej Maciej Calka see?
CMS counts 129 Medicare patients who saw Dr. Calka in 2024, with an average age of 65.
What services does Dr. Bartlomiej Maciej Calka bill to Medicare?
In 2024, Dr. Calka's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99223).
Show 4 more questionsShow fewer questions
Where did Dr. Bartlomiej Maciej Calka go to medical school?
Dr. Calka graduated from Kansas City University of Med & Biosciences, College of Osteo Med in 2016.
What drugs does Dr. Bartlomiej Maciej Calka prescribe most?
In 2024 Medicare Part D data, Dr. Calka's most prescribed drugs by claims were Allopurinol, Amlodipine Besylate and Chlorthalidone.
Has Dr. Bartlomiej Maciej Calka received payments from drug or device companies?
CMS Open Payments shows $934 in general payments to Dr. Calka from 10 companies from 2017 to 2023. The largest total came from Relypsa, Inc.
How long has Dr. Bartlomiej Maciej Calka been practicing?
Dr. Calka graduated from medical school in 2016, 10 years ago.
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