Dr. Paul J. Grunenwald, MD
- Medicare services, 2024
- 3,027
- Medicare patients, 2024
- 858
- Part D claims, 2024
- 4,486
- MIPS score, 2024
- 90
- Hospital affiliations
- 2
- Practice address
- 800 Biesterfield Rd, Elk Grove Village, IL 60007
- Practice phone
- Call (847) 437-5500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Grunenwald'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. Paul J. Grunenwald is an interventional cardiologist in Elk Grove Village, Illinois
Dr. Grunenwald practices at Ascension Alexian Brothers in Elk Grove Village, Illinois, part of Ascension Health Alliance.
Dr. Grunenwald's NPI, 1427001627, was assigned on May 18, 2006. Dr. Grunenwald graduated from Cincinnati College of Medicine and Surgery in 1991. Dr. Grunenwald holds Illinois license 036-088591.
- NPI
- 1427001627NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1153303102
- NPI enumeration date
- May 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 437-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Paul J. Grunenwald practices at Ascension Alexian Brothers in Elk Grove Village, Illinois
Dr. Grunenwald's primary practice is Ascension Alexian Brothers, at 800 Biesterfield Rd, Elk Grove Village, IL 60007 in Cook County. The practice phone is (847) 437-5500.
- Ascension Alexian Brothers800 Biesterfield Rd, Elk Grove Village, IL 60007 · Cook CountyPhone(847) 437-5500
Source: Dmand AI Affiliation Data
Dr. Paul J. Grunenwald is affiliated with 2 sites of care and 1 medical group
Dr. Grunenwald's primary practice is Ascension Alexian Brothers in Elk Grove Village, Illinois, part of Ascension Health Alliance. Dr. Grunenwald is also affiliated with Ascension Saint Alexius. The medical group on file is Alexian Brothers Medical Group Specialty Care.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Paul J. Grunenwald's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grunenwald practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension Alexian Brothers | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Ascension Health Alliance and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Paul J. Grunenwald is one of 286 interventional cardiologists in Illinois
Interventional cardiology is Dr. Grunenwald's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dr. Grunenwald is licensed in Illinois.
Specialties and state licenses
- Interventional cardiology, IllinoisPrimary
Interventional cardiologists near Dr. Grunenwald
Counts of interventional 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. Paul J. Grunenwald billed Medicare for 3,027 services in 2024
CMS data shows 3,027 Medicare services from Dr. Grunenwald across 22 procedure codes in 2024, for 858 Medicare patients. Medicare paid $175,863 for them.
Dr. Grunenwald's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,4622024: 1,32010%
- Tests and treatments
- 2023: 8252024: 7549%
- Other services
- 2023: 02024: 687
- Lab and pathology
- 2023: 2982024: 26611%
Where Dr. Grunenwald's Medicare services took place, 2024
- In an office2,23374%
- In a facility79426%
Dr. Grunenwald compared with the Illinois median for interventional cardiologists, 2024
- Dr. Grunenwald
- Illinois median
- Medicare services
- 3,027vs 2,26434% above
- Medicare patients
- 858vs 96911% below
- Part D claims
- 4,306vs 2,41378% above
Medians across 282 interventional cardiologists in Illinois with Dmand AI profiles that report each measure.
Dr. Grunenwald'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. Grunenwald and other interventional cardiologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Paul J. Grunenwald treated 858 Medicare patients in 2024, average age 78
CMS counts 858 Medicare patients who saw Dr. Grunenwald in 2024. The largest group is 75 to 84, with 363 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.83, 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. Grunenwald's median patient age at 75, with 42% women.
Dr. Grunenwald's Medicare patients by age, 2024
Dr. Grunenwald's Medicare patients by sex, 2024
- Women41048%
- Men44852%
Chronic conditions among Dr. Grunenwald's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease69%
- Arthritis56%
- Atrial fibrillation41%
- Heart failure41%
- Diabetes40%
- Chronic kidney disease37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grunenwald's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women42%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Paul J. Grunenwald wrote 4,486 Medicare Part D claims in 2024
In 2024, Dr. Grunenwald wrote 4,486 Medicare Part D claims for 606 patients. 92% of them were for generic drugs. CMS names the drug for 4,306 of them, across 40 drugs with 11 or more claims each, at $433,206 in total drug cost. In 2023, CMS named 4,050 claims across 40 drugs.
Dr. Grunenwald's Part D claims by kind of drug, 2024
- Generic4,145 claims92%
- Brand-name341 claims8%
Dr. Grunenwald'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. Grunenwald's Part D claims, 2024
- Antibiotics1%30 of 4,486 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: 4,0502024: 4,3066%
Drugs named by CMS: 40 in 2024, 40 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. Paul J. Grunenwald scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Grunenwald for performance year 2024, reported as part of a group. Dr. Grunenwald accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 21 procedures of coronary angioplasty and stenting by Dr. Grunenwald, more than 52% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Grunenwald's MIPS scores, performance year 2024
- 90of 100Final score
- 72.6of 100Quality
- 98of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Grunenwald ranks in Medicare procedure volume
- Coronary angioplasty and stenting
- 52nd percentile21 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Paul J. Grunenwald received $1,143 in industry payments from 2016 to 2025
CMS Open Payments shows 51 general payments to Dr. Grunenwald from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Abbott Laboratories paid the most, $170.
General payments to Dr. Grunenwald by program year, 2016 to 2025
General payments to Dr. Grunenwald by kind, 2016 to 2025
- Food and beverage$1,12498%
- Education$192%
Companies that paid Dr. Grunenwald the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Paul J. Grunenwald graduated from Cincinnati College of Medicine and Surgery
Dr. Grunenwald graduated from Cincinnati College of Medicine and Surgery in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Paul J. Grunenwald'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Paul J. Grunenwald
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. Paul J. Grunenwald's NPI number?
Dr. Paul J. Grunenwald's NPI number is 1427001627. It was assigned on May 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Paul J. Grunenwald?
Dr. Paul J. Grunenwald is an interventional cardiologist in Elk Grove Village, Illinois. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).
Where does Dr. Paul J. Grunenwald practice?
Dr. Grunenwald practices at 800 Biesterfield Rd, Elk Grove Village, IL 60007. Dr. Grunenwald's primary practice is Ascension Alexian Brothers in Elk Grove Village, Illinois, part of Ascension Health Alliance.
What is Dr. Paul J. Grunenwald's office phone number?
The practice phone on file for Dr. Grunenwald is (847) 437-5500.
What is Dr. Paul J. Grunenwald's medical license number?
Dr. Grunenwald holds Illinois license 036-088591.
Which hospitals is Dr. Paul J. Grunenwald affiliated with?
Dr. Grunenwald practices at Ascension Alexian Brothers in Elk Grove Village, Illinois. Dr. Grunenwald is also affiliated with Ascension Saint Alexius.
What medical group is Dr. Paul J. Grunenwald part of?
Dr. Grunenwald is linked to Alexian Brothers Medical Group Specialty Care.
Does Dr. Paul J. Grunenwald accept Medicare?
Yes. CMS data shows Dr. Grunenwald billed Medicare for 3,027 services in 2024, and Dr. Grunenwald accepts Medicare assignment.
What is Dr. Paul J. Grunenwald's MIPS score?
Dr. Grunenwald's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.
How many Medicare patients does Dr. Paul J. Grunenwald see?
CMS counts 858 Medicare patients who saw Dr. Grunenwald in 2024, with an average age of 78.
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What services does Dr. Paul J. Grunenwald bill to Medicare?
In 2024, Dr. Grunenwald's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and heart test or procedure (93793).
Where did Dr. Paul J. Grunenwald go to medical school?
Dr. Grunenwald graduated from Cincinnati College of Medicine and Surgery in 1991.
What drugs does Dr. Paul J. Grunenwald prescribe most?
In 2024 Medicare Part D data, Dr. Grunenwald's most prescribed drugs by claims were Atorvastatin Calcium, Clopidogrel and Ezetimibe.
Has Dr. Paul J. Grunenwald received payments from drug or device companies?
CMS Open Payments shows $1,143 in general payments to Dr. Grunenwald from 17 companies from 2016 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. Paul J. Grunenwald been practicing?
Dr. Grunenwald graduated from medical school in 1991, 35 years ago.
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