Dr. Zhibo An, MD, PhD
- Medicare services, 2024
- 170
- Medicare patients, 2024
- 161
- Part D claims, 2024
- 270
- Publications
- 11
- Hospital affiliations
- 2
- Practice address
- 1701 N Senate Blvd, Indianapolis, IN 46202
- Practice phone
- Call (317) 962-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. An'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. Zhibo An is a gastroenterologist in Indianapolis, Indiana
Dr. An practices at IU Health Methodist Hospital in Indianapolis, Indiana, part of Indiana University Health.
Dr. An's NPI, 1083077226, was assigned on April 4, 2016. Dr. An holds Indiana license 01087835A.
- NPI
- 1083077226NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355628751
- NPI enumeration date
- April 4, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (317) 962-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Zhibo An practices at IU Health Methodist Hospital in Indianapolis, Indiana
Dr. An's primary practice is IU Health Methodist Hospital, at 1701 N Senate Blvd, Indianapolis, IN 46202 in Marion County. The practice phone is (317) 962-2000.
- IU Health Methodist Hospital1701 N Senate Blvd, Indianapolis, IN 46202 · Marion CountyPhone(317) 962-2000
Source: Dmand AI Affiliation Data
Dr. Zhibo An is affiliated with 5 sites of care and 2 medical groups
Dr. An's primary practice is IU Health Methodist Hospital in Indianapolis, Indiana, part of Indiana University Health. Dr. An is also affiliated with IU Health North Hospital. The medical group on file is IU Health Medical Group. Dmand AI also links Dr. An to 2 more group practices and clinics, 1 behavioral health center 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. Zhibo An's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. An practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| IU Health Methodist Hospital | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Zhibo An is one of 333 gastroenterologists in Indiana
Gastroenterology is Dr. An's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. An's licenses on file in 3 states: Indiana, Iowa and Ohio.
Specialties and state licenses
- Gastroenterology, IndianaPrimary
- Iowa license
- Ohio license
Gastroenterologists near Dr. An
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. Zhibo An billed Medicare for 170 services in 2024
CMS data shows 170 Medicare services from Dr. An across 6 procedure codes in 2024, for 161 Medicare patients. Medicare paid $22,398 for them.
Dr. An's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 952024: 972%
- Surgery
- 2023: 572024: 7328%
- Other services
- 2023: 112024: 0100%
Where Dr. An's Medicare services took place, 2024
- In an office5231%
- In a facility11869%
Dr. An compared with the Indiana median for gastroenterologists, 2024
- Dr. An
- Indiana median
- Medicare services
- 170vs 47164% below
- Medicare patients
- 161vs 30948% below
- Part D claims
- 202vs 42252% below
Medians across 330 gastroenterologists in Indiana with Dmand AI profiles that report each measure.
Dr. An'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. An and other gastroenterologists in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Zhibo An treated 161 Medicare patients in 2024, average age 70
CMS counts 161 Medicare patients who saw Dr. An in 2024. The largest group is 65 to 74, with 84 patients. 71% of them have high cholesterol, and 70% have high blood pressure. 17% are also on Medicaid. Their average risk score is 1.48, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. An's median patient age at 54, with 57% women.
Dr. An's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. An's Medicare patients by sex, 2024
- Women10666%
- Men5534%
Chronic conditions among Dr. An's Medicare patients, 2024
- High cholesterol71%
- High blood pressure70%
- Arthritis46%
- Diabetes32%
- Ischemic heart disease30%
- Mood disorders30%
- Chronic kidney disease27%
- Depression27%
Share of Medicare patients with each condition. A patient can have several.
Dr. An's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Zhibo An wrote 270 Medicare Part D claims in 2024
In 2024, Dr. An wrote 270 Medicare Part D claims for 136 patients. 77% of them were for generic drugs. CMS names the drug for 202 of them, across 10 drugs with 11 or more claims each, at $56,274 in total drug cost. In 2023, CMS named 88 claims across 3 drugs.
Dr. An's Part D claims by kind of drug, 2024
- Generic207 claims77%
- Brand-name63 claims23%
Dr. An'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. An's Part D claims, 2024
- Antibiotics4%12 of 270 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: 882024: 202130%
Drugs named by CMS: 10 in 2024, 3 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. Zhibo An ranks in the 75th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. An accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 95 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. An, more than 75% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. An ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 75th percentile95 procedures
- Colonoscopy
- 60th percentile42 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Zhibo An has 11 publications on record
Dmand AI links 11 papers to Dr. An, published from 2010 to 2021. 2012 was the busiest year, with 3. The most frequent topics are Insulin, Liver and Dogs. Dr. An has published most often in Diabetes. Dr. An's most frequent co-authors are Eric Cohen, MD and Louis H. Philipson.
Dr. An's papers by year, 2010 to 2021
Topics Dr. An writes about most
- Insulin
- Liver
- Dogs
- Glucose
- Portal Vein
- AMP-Activated Protein Kinases
- Glucagon
- Blood Glucose
Dr. An's most frequent co-authors
Recent publications by Dr. An
Gastroenterol Clin North Am
J Clin Endocrinol Metab
Am J Physiol Endocrinol Metab
See who Dr. An researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. An 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. Zhibo An received $486 in industry payments from 2017 to 2022
CMS Open Payments shows 6 general payments to Dr. An from 5 drug and device companies from 2017 to 2022. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $237.
General payments to Dr. An by program year, 2017 to 2022
Companies that paid Dr. An the most, 2017 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Zhibo An'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 |
| 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. Zhibo An
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. Zhibo An's NPI number?
Dr. Zhibo An's NPI number is 1083077226. It was assigned on April 4, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Zhibo An?
Dr. Zhibo An is a gastroenterologist in Indianapolis, Indiana. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Zhibo An practice?
Dr. An practices at 1701 N Senate Blvd, Indianapolis, IN 46202. Dr. An's primary practice is IU Health Methodist Hospital in Indianapolis, Indiana, part of Indiana University Health. Dmand AI also links Dr. An to 2 group practices and clinics, 1 behavioral health center and 1 medical group.
What is Dr. Zhibo An's office phone number?
The practice phone on file for Dr. An is (317) 962-2000.
What is Dr. Zhibo An's medical license number?
Dr. An holds Indiana license 01087835A, one of the licenses on file in 3 states.
Which states has Dr. Zhibo An been licensed in?
Dmand AI has state licenses on file for Dr. An in Indiana, Iowa and Ohio.
Which hospitals is Dr. Zhibo An affiliated with?
Dr. An practices at IU Health Methodist Hospital in Indianapolis, Indiana. Dr. An is also affiliated with IU Health North Hospital.
What medical group is Dr. Zhibo An part of?
Dr. An is linked to IU Health Medical Group. Dmand AI links Dr. An to 1 more medical group.
Does Dr. Zhibo An accept Medicare?
Yes. CMS data shows Dr. An billed Medicare for 170 services in 2024, and Dr. An accepts Medicare assignment.
How many Medicare patients does Dr. Zhibo An see?
CMS counts 161 Medicare patients who saw Dr. An in 2024, with an average age of 70.
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What services does Dr. Zhibo An bill to Medicare?
In 2024, Dr. An's most billed Medicare services were surgery: digestive system (45385), office visit, established patient (99215) and hospital inpatient care (99222).
What drugs does Dr. Zhibo An prescribe most?
In 2024 Medicare Part D data, Dr. An's most prescribed drugs by claims were Gavilyte-G, Omeprazole and Sod Sulf-Potass Sulf-Mag Sulf.
Has Dr. Zhibo An received payments from drug or device companies?
CMS Open Payments shows $486 in general payments to Dr. An from 5 companies from 2017 to 2022. The largest total came from Abbvie Inc.
How long has Dr. Zhibo An been practicing?
Dr. An graduated from medical school in 2009, 17 years ago.
Does Dr. Zhibo An do research?
Dmand AI links 11 publications to Dr. An, published from 2010 to 2021.
Who does Dr. Zhibo An publish with?
Dr. An's most frequent co-authors are Eric Cohen, MD (1 shared paper) and Louis H. Philipson (1 shared paper).
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