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Dr. Andrew Thomas Arndt, MD
NPI1184880452PAC ID6608181854
- Medicare services, 2024
- 431
- Medicare patients, 2024
- 220
- Part D claims, 2019
- 12
- Publications
- 14
- MIPS score, 2024
- 95
- Practice address
- 675 N St Clair St, Chicago, IL 60611
- Practice phone
- Call (312) 695-0646
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northwestern Medical Group
Chicago, Illinois
Find Dr. Arndt's professional email, personal email and mobile number
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Dr. Andrew Thomas Arndt is a cardiothoracic surgeon in Chicago, Illinois
Dr. Arndt practices at Northwestern Medical Group in Chicago, Illinois.
Dr. Arndt's NPI, 1184880452, was assigned on August 5, 2008. Dr. Arndt graduated from Emory University School of Medicine in 2008. Dr. Arndt holds Illinois license 036138398.
NPI and contact details
- NPI
- 1184880452NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608181854
- NPI enumeration date
- August 5, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (312) 695-0646
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Andrew Thomas Arndt practices at Northwestern Medical Group in Chicago, Illinois
Dr. Arndt's primary practice is Northwestern Medical Group, at 675 N St Clair St, Chicago, IL 60611 in Cook County. The practice phone is (312) 695-0646.
- Northwestern Medical Group675 N St Clair St, Chicago, IL 60611 · Cook CountyPhone(312) 695-0646
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Andrew Thomas Arndt is affiliated with 4 sites of care and 3 medical groups
Dr. Arndt's primary practice is Northwestern Medical Group in Chicago, Illinois. Dr. Arndt is also affiliated with Northwestern Medicine Central DuPage Hospital. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Arndt to 2 more hospitals and 2 medical groups, each named with a free account.
Northwestern Medical GroupPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Andrew Thomas Arndt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Arndt practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Medical Group | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Andrew Thomas Arndt is one of 208 cardiothoracic surgeons in Illinois
Thoracic surgery (cardiothoracic vascular surgery) is Dr. Arndt's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Arndt is licensed in Illinois.
Specialties and state licenses
- Thoracic surgery (cardiothoracic vascular surgery), IllinoisPrimary
Cardiothoracic surgeons near Dr. Arndt
Counts of cardiothoracic surgeons 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. Andrew Thomas Arndt billed Medicare for 431 services in 2024
CMS data shows 431 Medicare services from Dr. Arndt across 11 procedure codes in 2024, for 220 Medicare patients. Medicare paid $103,845 for them.
Medicare services, 2024431
Medicare patients220
Paid by Medicare$103,845
Procedure codes11
Dr. Arndt's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2152024: 30341%
- Surgery
- 2023: 742024: 12873%
Where Dr. Arndt's Medicare services took place, 2024
- In an office27965%
- In a facility15235%
Dr. Arndt compared with the Illinois median for cardiothoracic surgeons, 2024
- Dr. Arndt
- Illinois median
- Medicare services
- 431vs 1642.6 times
- Medicare patients
- 220vs 13563% above
- Part D claims
- 12vs 1937% below
Medians across 174 cardiothoracic surgeons in Illinois with Dmand AI profiles that report each measure.
Dr. Arndt'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.
Need commercial claims for Dr. Arndt?
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Andrew Thomas Arndt treated 220 Medicare patients in 2024, average age 74
CMS counts 220 Medicare patients who saw Dr. Arndt in 2024. The largest group is 65 to 74, with 108 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.66, 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. Arndt's median patient age at 70, with 65% women.
Medicare patients, 2024220
Average age74
Average risk score1.66
Also on Medicaid10%
Dr. Arndt's Medicare patients by age, 2024
Dr. Arndt's Medicare patients by sex, 2024
- Women13360%
- Men8740%
Chronic conditions among Dr. Arndt's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Cancer56%
- COPD55%
- Arthritis50%
- Ischemic heart disease41%
- Anxiety35%
- Chronic kidney disease31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Arndt's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women65%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Andrew Thomas Arndt wrote 12 Medicare Part D claims in 2019
In 2019, Dr. Arndt wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $123 in total drug cost.
Part D claims, 201912
Drugs named by CMS1
Total drug cost$123
Dr. Arndt's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Andrew Thomas Arndt scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Arndt for performance year 2024, reported through an alternative payment model (APM). Dr. Arndt accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Arndt as offering telehealth. CMS counts 22 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Arndt, more than 51% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Arndt's MIPS scores, performance year 2024
- 95of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Arndt ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 51st percentile22 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of tissue: 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. Andrew Thomas Arndt has 14 publications on record
Dmand AI links 14 papers to Dr. Arndt, published from 2016 to 2024. 2017 was the busiest year, with 3. The most frequent topics are Neoplasm Invasiveness, Bronchoscopy and Carcinoma, Non-Small-Cell Lung. Dr. Arndt has published most often in Lung. Dr. Arndt's most frequent co-authors are Michael L. Liptay, MD, Christopher W. Seder, MD and Justin M. Karush, DO.
Papers14
Years published2016 to 2024
Dr. Arndt's papers by year, 2016 to 2024
Topics Dr. Arndt writes about most
- Neoplasm Invasiveness
- Bronchoscopy
- Carcinoma, Non-Small-Cell Lung
- Lung Neoplasms
- Pneumonectomy
- Thoracic Wall
Dr. Arndt's most frequent co-authors
- Michael L. Liptay, MD8 shared papers
- Christopher W. Seder, MD8 shared papers
- Justin M. Karush, DO6 shared papers
Recent publications by Dr. Arndt
Chin Clin Oncol
ExtremitiesSarcomaSoft Tissue Neoplasms
See who Dr. Arndt researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Arndt works with, so you can find a warm path to the right cardiothoracic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Andrew Thomas Arndt received $220,449 in industry payments from 2016 to 2025
CMS Open Payments shows 320 general payments to Dr. Arndt from 22 drug and device companies from 2016 to 2025. Education make up the largest share, 74% of the total. Intuitive Surgical, Inc. paid the most, $201,961.
General payments to Dr. Arndt by program year, 2016 to 2025
General payments to Dr. Arndt by kind, 2016 to 2025
$220.4Kin total
- Education$162,85174%
- Travel and lodging$24,77311%
- Speaker and faculty fees$16,5508%
- Food and beverage$14,9477%
- Other$1,3291%
Companies that paid Dr. Arndt 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. Andrew Thomas Arndt graduated from Emory University School of Medicine
Dr. Arndt graduated from Emory University School of Medicine in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Andrew Thomas Arndt'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Andrew Thomas Arndt
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. Andrew Thomas Arndt's NPI number?
Dr. Andrew Thomas Arndt's NPI number is 1184880452. It was assigned on August 5, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Andrew Thomas Arndt?
Dr. Andrew Thomas Arndt is a cardiothoracic surgeon in Chicago, Illinois. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).
Where does Dr. Andrew Thomas Arndt practice?
Dr. Arndt practices at 675 N St Clair St, Chicago, IL 60611. Dr. Arndt's primary practice is Northwestern Medical Group in Chicago, Illinois. Dmand AI also links Dr. Arndt to 2 hospitals and 2 medical groups.
What is Dr. Andrew Thomas Arndt's office phone number?
The practice phone on file for Dr. Arndt is (312) 695-0646.
What is Dr. Andrew Thomas Arndt's medical license number?
Dr. Arndt holds Illinois license 036138398.
Which hospitals is Dr. Andrew Thomas Arndt affiliated with?
Dr. Arndt is affiliated with Northwestern Medicine Central DuPage Hospital. Dmand AI links Dr. Arndt to 2 more hospitals.
What medical group is Dr. Andrew Thomas Arndt part of?
Dr. Arndt is linked to Northwestern Medical Faculty Foundation. Dmand AI links Dr. Arndt to 2 more medical groups.
Does Dr. Andrew Thomas Arndt accept Medicare?
Yes. CMS data shows Dr. Arndt billed Medicare for 431 services in 2024, and Dr. Arndt accepts Medicare assignment.
Does Dr. Andrew Thomas Arndt offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Arndt as offering telehealth services.
What is Dr. Andrew Thomas Arndt's MIPS score?
Dr. Arndt's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Andrew Thomas Arndt see?
CMS counts 220 Medicare patients who saw Dr. Arndt in 2024, with an average age of 74.
What services does Dr. Andrew Thomas Arndt bill to Medicare?
In 2024, Dr. Arndt's most billed Medicare services were office visit, established patient (99212), office visit, new patient (99204) and surgery: lungs and airway (32674).
Where did Dr. Andrew Thomas Arndt go to medical school?
Dr. Arndt graduated from Emory University School of Medicine in 2008.
What drugs does Dr. Andrew Thomas Arndt prescribe most?
In 2019 Medicare Part D data, Dr. Arndt's most prescribed drugs by claims were Omeprazole.
Has Dr. Andrew Thomas Arndt received payments from drug or device companies?
CMS Open Payments shows $220,449 in general payments to Dr. Arndt from 22 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Andrew Thomas Arndt been practicing?
Dr. Arndt graduated from medical school in 2008, 18 years ago.
Does Dr. Andrew Thomas Arndt do research?
Dmand AI links 14 publications to Dr. Arndt, published from 2016 to 2024.
Who does Dr. Andrew Thomas Arndt publish with?
Dr. Arndt's most frequent co-authors are Michael L. Liptay, MD (8 shared papers), Christopher W. Seder, MD (8 shared papers) and Justin M. Karush, DO (6 shared papers).
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