Gastrointest Endosc Clin N Am
Dr. Austin Lee Chiang, MD, MPH
- Medicare services, 2021
- 215
- Medicare patients, 2024
- 51
- Part D claims, 2024
- 66
- Publications
- 22
- Clinical trials
- 1
- Practice address
- 111 South 11th Street, Philadelphia, PA 19107
- Practice phone
- Call (215) 955-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chiang'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. Austin Lee Chiang is a gastroenterologist in Philadelphia, Pennsylvania
Dr. Chiang practices at Thomas Jefferson University Hospital in Philadelphia, Pennsylvania, part of Thomas Jefferson University.
Dr. Chiang's NPI, 1104118843, was assigned on May 13, 2011. Dr. Chiang graduated from Columbia University College of Physicians and Surgeons in 2011. Dr. Chiang holds Pennsylvania license MD461083.
- NPI
- 1104118843NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800015926
- NPI enumeration date
- May 13, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (215) 955-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Austin Lee Chiang practices at Thomas Jefferson University Hospital in Philadelphia, Pennsylvania
Dr. Chiang's primary practice is Thomas Jefferson University Hospital, at 111 South 11th Street, Philadelphia, PA 19107 in Philadelphia County. The practice phone is (215) 955-6000.
- Thomas Jefferson University Hospital111 South 11th Street, Philadelphia, PA 19107 · Philadelphia CountyPhone(215) 955-6000
Source: Dmand AI Affiliation Data
Dr. Austin Lee Chiang is affiliated with 2 sites of care and 1 medical group
Dr. Chiang's primary practice is Thomas Jefferson University Hospital in Philadelphia, Pennsylvania, part of Thomas Jefferson University. The medical group on file is Jefferson University Physicians. Dmand AI also links Dr. Chiang to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Austin Lee Chiang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chiang practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Thomas Jefferson University Hospital | 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 Thomas Jefferson University and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Austin Lee Chiang is one of 899 gastroenterologists in Pennsylvania
Gastroenterology is Dr. Chiang's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Chiang is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Chiang is licensed in Pennsylvania.
Specialties and state licenses
- Gastroenterology, PennsylvaniaPrimary
Gastroenterologists near Dr. Chiang
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. Austin Lee Chiang billed Medicare for 215 services in 2021
CMS data shows 215 Medicare services from Dr. Chiang across 10 procedure codes in 2021, for 51 Medicare patients. Medicare paid $31,139 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chiang's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Surgery
- 2020: 1192021: 1309%
- Office and hospital visits
- 2020: 922021: 858%
Dr. Chiang compared with the Pennsylvania median for gastroenterologists, 2021
- Dr. Chiang
- Pennsylvania median
- Medicare services
- 215vs 40146% below
- Medicare patients
- 51vs 29483% below
- Part D claims
- 45vs 37588% below
Medians across 899 gastroenterologists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Chiang'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. Chiang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chiang and other gastroenterologists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Austin Lee Chiang treated 51 Medicare patients in 2024, average age 71
CMS counts 51 Medicare patients who saw Dr. Chiang in 2024. The largest group is 65 to 74, with 32 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.61, 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. Chiang's median patient age at 56, with 62% women.
Dr. Chiang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chiang's Medicare patients by sex, 2024
- Women3569%
- Men1631%
Chronic conditions among Dr. Chiang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Anxiety43%
- Arthritis37%
- Diabetes33%
- Mood disorders29%
- Chronic kidney disease27%
- Ischemic heart disease27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chiang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Austin Lee Chiang wrote 66 Medicare Part D claims in 2024
In 2024, Dr. Chiang wrote 66 Medicare Part D claims for 18 patients. 65% of them were for generic drugs. CMS names the drug for 45 of them, across 3 drugs with 11 or more claims each, at $18,089 in total drug cost. In 2023, CMS named 34 claims across 2 drugs.
Dr. Chiang's Part D claims by kind of drug, 2024
- Generic43 claims65%
- Brand-name23 claims35%
Dr. Chiang'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 342024: 4532%
Drugs named by CMS: 3 in 2024, 2 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. Austin Lee Chiang ranks in the 69th percentile for colonoscopy in Medicare
Dr. Chiang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 63 procedures of colonoscopy by Dr. Chiang, more than 69% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Chiang ranks in Medicare procedure volume
- Colonoscopy
- 69th percentile63 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 60th percentile40 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. Austin Lee Chiang has 22 publications on record
Dmand AI links 22 papers to Dr. Chiang, published from 2011 to 2025. 2019 was the busiest year, with 3. The most frequent topics are Social Media, Gastroenterology and Bariatric Surgery. Dr. Chiang has published most often in J Med Internet Res. Dr. Chiang's most frequent co-authors are Walter Wai-Yip Chan, MD, Marvin Ryou, MD and Loren Galler Rabinowitz, MD.
Dr. Chiang's papers by year, 2011 to 2025
Topics Dr. Chiang writes about most
- Social Media
- Gastroenterology
- Bariatric Surgery
- Diagnosis, Differential
- Endoscopic Ultrasound-Guided Fine Needle Aspiration
- Endoscopy, Gastrointestinal
- Pancreatic Neoplasms
- Tomography, X-Ray Computed
Dr. Chiang's most frequent co-authors
- Walter Wai-Yip Chan, MD4 shared papers
- Marvin Ryou, MD4 shared papers
- Loren Galler Rabinowitz, MD3 shared papers
Recent publications by Dr. Chiang
J Med Internet Res
See who Dr. Chiang researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chiang 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. Austin Lee Chiang has worked on 1 clinical trial
Dmand AI links Dr. Chiang to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Diabetes Mellitus, Type 2 and Obesity.
Conditions in Dr. Chiang's trials
- Diabetes Mellitus, Type 2
- Obesity
Investigators on the most trials with Dr. Chiang
- Serge A. Jabbour, MD1 shared trial
- David E. Loren, MD1 shared trial
- Julie Marie Talavera, MD1 shared trial
Recent clinical trials with Dr. Chiang
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Austin Lee Chiang received $81,572 in industry payments from 2016 to 2025
CMS Open Payments shows 103 general payments to Dr. Chiang from 11 drug and device companies from 2016 to 2025. Grants make up the largest share, 61% of the total. Boston Scientific Corporation paid the most, $66,976.
General payments to Dr. Chiang by program year, 2016 to 2025
General payments to Dr. Chiang by kind, 2016 to 2025
- Grants$50,00061%
- Consulting fees$20,08325%
- Food and beverage$4,7496%
- Travel and lodging$4,2465%
- Speaker and faculty fees$2,4953%
Companies that paid Dr. Chiang 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. Austin Lee Chiang graduated from Columbia University College of Physicians and Surgeons
Dr. Chiang graduated from Columbia University College of Physicians and Surgeons in 2011.
- Medical school
- Board certified in gastroenterology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Austin Lee Chiang'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) |
| 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. Austin Lee Chiang
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. Austin Lee Chiang's NPI number?
Dr. Austin Lee Chiang's NPI number is 1104118843. It was assigned on May 13, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Austin Lee Chiang?
Dr. Austin Lee Chiang is a gastroenterologist in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Austin Lee Chiang practice?
Dr. Chiang practices at 111 South 11th Street, Philadelphia, PA 19107. Dr. Chiang's primary practice is Thomas Jefferson University Hospital in Philadelphia, Pennsylvania, part of Thomas Jefferson University. Dmand AI also links Dr. Chiang to 1 group practice or clinic.
What is Dr. Austin Lee Chiang's office phone number?
The practice phone on file for Dr. Chiang is (215) 955-6000.
What is Dr. Austin Lee Chiang's medical license number?
Dr. Chiang holds Pennsylvania license MD461083.
Which hospitals is Dr. Austin Lee Chiang affiliated with?
Dr. Chiang practices at Thomas Jefferson University Hospital in Philadelphia, Pennsylvania.
What medical group is Dr. Austin Lee Chiang part of?
Dr. Chiang is linked to Jefferson University Physicians.
Does Dr. Austin Lee Chiang accept Medicare?
Yes. CMS data shows Dr. Chiang billed Medicare for 215 services in 2021, and Dr. Chiang accepts Medicare assignment.
How many Medicare patients does Dr. Austin Lee Chiang see?
CMS counts 51 Medicare patients who saw Dr. Chiang in 2024, with an average age of 71.
Is Dr. Austin Lee Chiang board certified?
Yes. Dr. Chiang is board certified in gastroenterology by the American Board of Internal Medicine.
Show 7 more questionsShow fewer questions
What services does Dr. Austin Lee Chiang bill to Medicare?
In 2021, Dr. Chiang's most billed Medicare services were hospital inpatient care (99233), surgery: digestive system (43242) and surgery: digestive system (43274).
Where did Dr. Austin Lee Chiang go to medical school?
Dr. Chiang graduated from Columbia University College of Physicians and Surgeons in 2011.
What drugs does Dr. Austin Lee Chiang prescribe most?
In 2024 Medicare Part D data, Dr. Chiang's most prescribed drugs by claims were Omeprazole, Mounjaro and Topiramate.
Has Dr. Austin Lee Chiang received payments from drug or device companies?
CMS Open Payments shows $81,572 in general payments to Dr. Chiang from 11 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Austin Lee Chiang been practicing?
Dr. Chiang graduated from medical school in 2011, 15 years ago.
Does Dr. Austin Lee Chiang do research?
Dmand AI links 22 publications to Dr. Chiang, published from 2011 to 2025. Dr. Chiang has worked on 1 clinical trial.
Who does Dr. Austin Lee Chiang publish with?
Dr. Chiang's most frequent co-authors are Walter Wai-Yip Chan, MD (4 shared papers), Marvin Ryou, MD (4 shared papers) and Loren Galler Rabinowitz, MD (3 shared papers).
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