Dr. Ali Keshavarzian, MD
- Medicare services, 2024
- 143
- Medicare patients, 2024
- 120
- Part D claims, 2024
- 1,423
- Publications
- 424
- Clinical trials
- 8
- 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. Keshavarzian'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. Ali Keshavarzian is a gastroenterologist in Chicago, Illinois
Dr. Keshavarzian practices at Rush University Medical Center in Chicago, Illinois, part of Rush System for Health.
Dr. Keshavarzian's NPI, 1558302257, was assigned on June 10, 2006. Dr. Keshavarzian graduated from Tehran University of Medical Sciences School of Medicine in 1976.
- NPI
- 1558302257NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678569654
- NPI enumeration date
- June 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (312) 942-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 77
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ali Keshavarzian practices at Rush University Medical Center in Chicago, Illinois
Dr. Keshavarzian'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. Ali Keshavarzian is affiliated with 5 sites of care and 2 medical groups
Dr. Keshavarzian's primary practice is Rush University Medical Center in Chicago, Illinois, part of Rush System for Health. Dr. Keshavarzian is also affiliated with Rush Oak Park Hospital. The medical group on file is Rush University Internists. Dmand AI also links Dr. Keshavarzian to 1 more hospital, 2 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. Ali Keshavarzian's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Keshavarzian practices, 5 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 |
| +4 more sites and 1 medical group | 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 Rush System for Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Ali Keshavarzian is one of 771 gastroenterologists in Illinois
Gastroenterology is Dr. Keshavarzian's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Keshavarzian is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Keshavarzian's licenses on file in 2 states: Illinois and Maryland.
Specialties and state licenses
- Gastroenterology, Illinois
- Maryland license
Clinical focus
Dmand AI lists acid reflux, chronic inflammatory bowel disease (IBD), colonoscopy, gastroenteritis, hemorrhoids, intestinal or bowel obstruction, irritable bowel syndrome (IBS) and upper GI endoscopy among the conditions Dr. Keshavarzian treats.
Gastroenterologists near Dr. Keshavarzian
Counts of gastroenterologists 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. Ali Keshavarzian billed Medicare for 143 services in 2024
CMS data shows 143 Medicare services from Dr. Keshavarzian across 3 procedure codes in 2024, for 120 Medicare patients. Medicare paid $12,765 for them.
Dr. Keshavarzian's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1272024: 10716%
- Surgery
- 2023: 232024: 3657%
Where Dr. Keshavarzian's Medicare services took place, 2024
- In an office4028%
- In a facility10372%
Dr. Keshavarzian compared with the Illinois median for gastroenterologists, 2024
- Dr. Keshavarzian
- Illinois median
- Medicare services
- 143vs 49871% below
- Medicare patients
- 120vs 30761% below
- Part D claims
- 1,213vs 3703.3 times
Medians across 757 gastroenterologists in Illinois with Dmand AI profiles that report each measure.
Dr. Keshavarzian'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. Keshavarzian and other gastroenterologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ali Keshavarzian treated 120 Medicare patients in 2024, average age 73
CMS counts 120 Medicare patients who saw Dr. Keshavarzian in 2024. The largest group is 65 to 74, with 48 patients. 74% of them have high cholesterol, and 68% have high blood pressure. 9% are also on Medicaid. Their average risk score is 1.32, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Keshavarzian's median patient age at 67, with 52% women.
Dr. Keshavarzian's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Keshavarzian's Medicare patients by sex, 2024
- Women6353%
- Men5748%
Chronic conditions among Dr. Keshavarzian's Medicare patients, 2024
- High cholesterol74%
- High blood pressure68%
- Arthritis48%
- Mood disorders33%
- Osteoporosis32%
- Depression30%
- Parkinson's disease30%
- Anxiety28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Keshavarzian's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
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. Ali Keshavarzian wrote 1,423 Medicare Part D claims in 2024
In 2024, Dr. Keshavarzian wrote 1,423 Medicare Part D claims for 163 patients. 50% of them were for generic drugs. CMS names the drug for 1,213 of them, across 42 drugs with 11 or more claims each, at $5,982,701 in total drug cost. In 2023, CMS named 1,000 claims across 28 drugs.
Dr. Keshavarzian's Part D claims by kind of drug, 2024
- Generic712 claims50%
- Brand-name and other711 claims50%
Dr. Keshavarzian'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. Keshavarzian's Part D claims, 2024
- Antibiotics6%81 of 1,423 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: 1,0002024: 1,21321%
Drugs named by CMS: 42 in 2024, 28 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. Ali Keshavarzian ranks in the 48th percentile for colonoscopy in Medicare
Dr. Keshavarzian accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Keshavarzian as offering telehealth. CMS counts 21 procedures of colonoscopy by Dr. Keshavarzian, more than 48% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Keshavarzian ranks in Medicare procedure volume
- Colonoscopy
- 48th percentile21 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Ali Keshavarzian has 424 publications on record
Dmand AI links 424 papers to Dr. Keshavarzian, published from 2004 to 2025. 2018 was the busiest year, with 25. The most frequent topics are Intestinal Mucosa, Gastrointestinal Microbiome and Ethanol. Dr. Keshavarzian has published most often in Alcohol Clin Exp Res. Dr. Keshavarzian's most frequent co-authors are Faraz Bishehsari, MD, Ashkan Farhadi, MD and Ece A. Mutlu, MD.
Dr. Keshavarzian's papers by year, 2016 to 2025
Topics Dr. Keshavarzian writes about most
- Intestinal Mucosa
- Gastrointestinal Microbiome
- Ethanol
- Colon
- Inflammatory Bowel Diseases
- Permeability
- Intestines
- Circadian Rhythm
Dr. Keshavarzian's most frequent co-authors
- Faraz Bishehsari, MD33 shared papers
- Ashkan Farhadi, MD25 shared papers
- Ece A. Mutlu, MD24 shared papers
Recent publications by Dr. Keshavarzian
J Mol Cell Cardiol
See who Dr. Keshavarzian researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Keshavarzian works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ali Keshavarzian has worked on 8 clinical trials
Dmand AI links Dr. Keshavarzian to 8 clinical trials. 2 are still active or recruiting. Conditions studied include Colitis, Ulcerative, Colitis and Alcoholism. Rush University Medical Center sponsors the most, 7.
Clinical trials with Dr. Keshavarzian by phase
- 1Phase 1: 1 trial
- 1Phase 1/2: 1 trial
- NonePhase 2: no trials
- NonePhase 3: no trials
- NonePhase 4: no trials
Conditions in Dr. Keshavarzian's trials
- Colitis, Ulcerative
- Colitis
- Alcoholism
- Crohn Disease
- Multiple Sclerosis, Relapsing-Remitting
Investigators on the most trials with Dr. Keshavarzian
Recent clinical trials with Dr. Keshavarzian
Gut Microbiota-Mediated Inflammatory Interactions Between AUD and HIV Infection (opens in a new tab)
Chronotherapy of 5-Aminosalicylic Acid in Ulcerative Colitis (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Ali Keshavarzian received $3,459 in industry payments from 2016 to 2019
CMS Open Payments shows 14 general payments to Dr. Keshavarzian from 5 drug and device companies from 2016 to 2019. Consulting fees make up the largest share, 87% of the total. Abbvie Inc. paid the most, $3,224. It also lists 3 research payments totaling $10,012 from 2016 to 2019.
General payments to Dr. Keshavarzian by program year, 2016 to 2019
General payments to Dr. Keshavarzian by kind, 2016 to 2019
- Consulting fees$3,02287%
- Food and beverage$43713%
Companies that paid Dr. Keshavarzian the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ali Keshavarzian has 6 awards and honors on record
Dmand AI lists 6 awards for Dr. Keshavarzian, most recently Regional Top Doctor in 2014.
Awards and honors for Dr. Keshavarzian
- 2014
- Regional Top Doctor
- 2013
- CMS Stage 1 EHR
- 2006
- AGA Fellow
- Undated
- ACG Fellow
- Checkbook Top Doc
- Super Doc
Source: Dmand AI Professional Profile Data
Dr. Ali Keshavarzian graduated from Tehran University of Medical Sciences School of Medicine
Dr. Keshavarzian graduated from Tehran University of Medical Sciences School of Medicine in 1976. Dr. Keshavarzian is a member of ACG and AGA.
- Medical school
- Board certified in gastroenterology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Ali Keshavarzian accepts plans from 17 insurance carriers
Dr. Keshavarzian is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Cigna
- HCSC
- United Healthcare
- Humana
- Aspirus Health Plan
- +9 more carriersWith a free account
Plan types Dr. Keshavarzian accepts, by number of carriers
- PPO12
- Medicare10
- HMO9
- POS7
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Ali Keshavarzian'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)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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Ali Keshavarzian
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. Ali Keshavarzian's NPI number?
Dr. Ali Keshavarzian's NPI number is 1558302257. It was assigned on June 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ali Keshavarzian?
Dr. Ali Keshavarzian is a gastroenterologist in Chicago, Illinois. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Ali Keshavarzian practice?
Dr. Keshavarzian practices at 1653 West Congress Parkway, Chicago, IL 60612. Dr. Keshavarzian's primary practice is Rush University Medical Center in Chicago, Illinois, part of Rush System for Health. Dmand AI also links Dr. Keshavarzian to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. Ali Keshavarzian's office phone number?
The practice phone on file for Dr. Keshavarzian is (312) 942-5000.
Which states has Dr. Ali Keshavarzian been licensed in?
Dmand AI has state licenses on file for Dr. Keshavarzian in Illinois (1986 to 2026) and Maryland (1985 to 1986).
Which hospitals is Dr. Ali Keshavarzian affiliated with?
Dr. Keshavarzian practices at Rush University Medical Center in Chicago, Illinois. Dr. Keshavarzian is also affiliated with Rush Oak Park Hospital. Dmand AI links Dr. Keshavarzian to 1 more hospital.
What medical group is Dr. Ali Keshavarzian part of?
Dr. Keshavarzian is linked to Rush University Internists. Dmand AI links Dr. Keshavarzian to 1 more medical group.
Does Dr. Ali Keshavarzian accept Medicare?
Yes. CMS data shows Dr. Keshavarzian billed Medicare for 143 services in 2024, and Dr. Keshavarzian accepts Medicare assignment.
Does Dr. Ali Keshavarzian offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Keshavarzian as offering telehealth services.
How many Medicare patients does Dr. Ali Keshavarzian see?
CMS counts 120 Medicare patients who saw Dr. Keshavarzian in 2024, with an average age of 73.
Show 9 more questionsShow fewer questions
Is Dr. Ali Keshavarzian board certified?
Yes. Dr. Keshavarzian is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Dr. Ali Keshavarzian bill to Medicare?
In 2024, Dr. Keshavarzian's most billed Medicare services were office visit, established patient (99214), surgery: digestive system (45380) and office visit, established patient (99213).
Where did Dr. Ali Keshavarzian go to medical school?
Dr. Keshavarzian graduated from Tehran University of Medical Sciences School of Medicine in 1976.
What drugs does Dr. Ali Keshavarzian prescribe most?
In 2024 Medicare Part D data, Dr. Keshavarzian's most prescribed drugs by claims were Stelara, Motegrity and Sodium Chloride.
Has Dr. Ali Keshavarzian received payments from drug or device companies?
CMS Open Payments shows $3,459 in general payments to Dr. Keshavarzian from 5 companies from 2016 to 2019. The largest total came from Abbvie Inc.
How long has Dr. Ali Keshavarzian been practicing?
Dr. Keshavarzian graduated from medical school in 1976, 50 years ago.
Does Dr. Ali Keshavarzian do research?
Dmand AI links 424 publications to Dr. Keshavarzian, published from 2004 to 2025. Dr. Keshavarzian has worked on 8 clinical trials.
Who does Dr. Ali Keshavarzian publish with?
Dr. Keshavarzian's most frequent co-authors are Faraz Bishehsari, MD (33 shared papers), Ashkan Farhadi, MD (25 shared papers) and Ece A. Mutlu, MD (24 shared papers).
What insurance does Dr. Ali Keshavarzian accept?
Dr. Keshavarzian is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
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