Dr. Catherine B. Grotelueschen, MD
- Medicare services, 2021
- 305
- Part D claims, 2023
- 13
- Hospital affiliations
- 1
- Industry payments
- $146
- Medical groups
- 2
- Practice address
- 1653 West Congress Parkway, Chicago, IL 60612
- Practice phone
- Call (312) 942-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Grotelueschen'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. Catherine B. Grotelueschen is an internist in Chicago, Illinois
Dr. Grotelueschen practices at Rush University Medical Center in Chicago, Illinois, part of Rush System for Health.
Dr. Grotelueschen's NPI, 1346208428, was assigned on May 1, 2006. Dr. Grotelueschen holds Illinois license 036-064001.
- NPI
- 1346208428NPI Registry (opens in a new tab)
- NPI enumeration date
- May 1, 2006
- NPI status
- Active
- Practice phone
- (312) 942-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Catherine B. Grotelueschen practices at Rush University Medical Center in Chicago, Illinois
Dr. Grotelueschen's primary practice is Rush University Medical Center, at 1653 West Congress Parkway, Chicago, IL 60612 in Cook County. The practice phone is (312) 942-5000.
- Rush University Medical Center1653 West Congress Parkway, Chicago, IL 60612 · Cook CountyPhone(312) 942-5000
Source: Dmand AI Affiliation Data
Dr. Catherine B. Grotelueschen is affiliated with 3 sites of care and 2 medical groups
Dr. Grotelueschen's primary practice is Rush University Medical Center in Chicago, Illinois, part of Rush System for Health. The medical group on file is DuPage Medical Group. Dmand AI also links Dr. Grotelueschen to 2 more group practices and clinics 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. Catherine B. Grotelueschen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grotelueschen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rush University Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Catherine B. Grotelueschen is one of 5,652 internists in Illinois
Internal medicine is Dr. Grotelueschen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Grotelueschen is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Grotelueschen
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. Catherine B. Grotelueschen billed Medicare for 305 services in 2021
CMS data shows 305 Medicare services from Dr. Grotelueschen across 9 procedure codes in 2021. Medicare paid $9,533 for them. Every service was in an office.
Dr. Grotelueschen's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Lab and pathology
- 2020: 1,2342021: 12290%
- Office and hospital visits
- 2020: 6612021: 9186%
- Surgery
- 2020: 4652021: 6486%
- Other services
- 2020: 4882021: 2894%
- Drugs given in the office
- 2020: 1,6202021: 0100%
- Tests and treatments
- 2020: 1922021: 0100%
Dr. Grotelueschen compared with the Illinois median for internists, 2021
- Dr. Grotelueschen
- Illinois median
- Medicare services
- 305vs 56646% below
- Part D claims
- 13vs 28495% below
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Grotelueschen's most billed Medicare procedure codes, 2021
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. Grotelueschen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grotelueschen and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Catherine B. Grotelueschen's patients have a median age of 77
Across all payers, Dmand AI patient panel data puts Dr. Grotelueschen's median patient age at 77, with 87% women.
Dr. Grotelueschen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women87%
- Men13%
Source: Dmand AI Patient Panel Data
Dr. Catherine B. Grotelueschen wrote 13 Medicare Part D claims in 2023
In 2023, Dr. Grotelueschen wrote 13 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $114 in total drug cost. In 2022, CMS named 21 claims across 1 drug.
Dr. Grotelueschen's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 212023: 1338%
Drugs named by CMS: 1 in 2023, 1 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Catherine B. Grotelueschen received $146 in industry payments from 2017 to 2019
CMS Open Payments shows 3 general payments to Dr. Grotelueschen from 3 drug and device companies from 2017 to 2019. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $122.
General payments to Dr. Grotelueschen by program year, 2017 to 2019
Companies that paid Dr. Grotelueschen the most, 2017 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Catherine B. Grotelueschen'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 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. Catherine B. Grotelueschen
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. Catherine B. Grotelueschen's NPI number?
Dr. Catherine B. Grotelueschen's NPI number is 1346208428. It was assigned on May 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Catherine B. Grotelueschen?
Dr. Catherine B. Grotelueschen is an internist in Chicago, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Catherine B. Grotelueschen practice?
Dr. Grotelueschen practices at 1653 West Congress Parkway, Chicago, IL 60612. Dr. Grotelueschen's primary practice is Rush University Medical Center in Chicago, Illinois, part of Rush System for Health. Dmand AI also links Dr. Grotelueschen to 2 group practices and clinics and 1 medical group.
What is Dr. Catherine B. Grotelueschen's office phone number?
The practice phone on file for Dr. Grotelueschen is (312) 942-5000.
What is Dr. Catherine B. Grotelueschen's medical license number?
Dr. Grotelueschen holds Illinois license 036-064001.
Which hospitals is Dr. Catherine B. Grotelueschen affiliated with?
Dr. Grotelueschen practices at Rush University Medical Center in Chicago, Illinois.
What medical group is Dr. Catherine B. Grotelueschen part of?
Dr. Grotelueschen is linked to DuPage Medical Group. Dmand AI links Dr. Grotelueschen to 1 more medical group.
Does Dr. Catherine B. Grotelueschen accept Medicare?
Yes. CMS data shows Dr. Grotelueschen billed Medicare for 305 services in 2021.
What services does Dr. Catherine B. Grotelueschen bill to Medicare?
In 2021, Dr. Grotelueschen's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99213) and office visit, established patient (99214).
What drugs does Dr. Catherine B. Grotelueschen prescribe most?
In 2023 Medicare Part D data, Dr. Grotelueschen's most prescribed drugs by claims were Quetiapine Fumarate.
Has Dr. Catherine B. Grotelueschen received payments from drug or device companies?
CMS Open Payments shows $146 in general payments to Dr. Grotelueschen from 3 companies from 2017 to 2019. The largest total came from Novo Nordisk Inc.
How long has Dr. Catherine B. Grotelueschen been practicing?
Dr. Grotelueschen's NPI was assigned in 2006.
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