Dr. Denis Chang, MD
- Publications
- 18
- Hospital affiliations
- 1
- Industry payments
- $125
- Medical groups
- 2
- State license
- 1
- Practice address
- 300 Longwood Avenue, Boston, MA 02115
- Practice phone
- Call (617) 735-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chang'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. Denis Chang is a pediatric gastroenterology physician in Boston, Massachusetts
Dr. Chang practices at Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital.
Dr. Chang's NPI, 1952747420, was assigned on May 10, 2013. Dr. Chang holds Massachusetts license 282535.
- NPI
- 1952747420NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991098683
- NPI enumeration date
- May 10, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 735-6000
- 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. Denis Chang practices at Boston Children's Hospital in Boston, Massachusetts
Dr. Chang's primary practice is Boston Children's Hospital, at 300 Longwood Avenue, Boston, MA 02115 in Suffolk County. The practice phone is (617) 735-6000.
- Boston Children's Hospital300 Longwood Avenue, Boston, MA 02115 · Suffolk CountyPhone(617) 735-6000
Source: Dmand AI Affiliation Data
Dr. Denis Chang is affiliated with 2 sites of care and 2 medical groups
Dr. Chang's primary practice is Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital. The medical group on file is Boston Children's Hospital. Dmand AI also links Dr. Chang to 1 more dialysis 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. Denis Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Boston Children's Hospital | Available with a free account |
| +1 more site 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 The Children's Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Denis Chang is one of 122 pediatric gastroenterology physicians in Massachusetts
Pediatric gastroenterology is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 2080P0206X. Dr. Chang is licensed in Massachusetts.
Specialties and state licenses
- Pediatric gastroenterology, MassachusettsPrimary
Pediatric gastroenterology physicians near Dr. Chang
Counts of pediatric gastroenterology physicians 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. Denis Chang's patients have a median age of 10
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 10, with 56% women.
Dr. Chang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 10
Patient panel by sex, all payers
- Women56%
- Men43%
Source: Dmand AI Patient Panel Data
How Dr. Denis Chang takes part in Medicare
Dr. Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Dr. Denis Chang has 18 publications on record
Dmand AI links 18 papers to Dr. Chang, published from 2012 to 2025. 2024 was the busiest year, with 6. The most frequent topics are Celiac Disease, Intestinal Mucosa and Signal Transduction. Dr. Chang has published most often in Am J Gastroenterol. Dr. Chang's most frequent co-authors are Jocelyn A. Silvester, MD, PhD, Wayne I. Lencer, MD and Peter D. Ngo, MD.
Dr. Chang's papers by year, 2012 to 2025
Topics Dr. Chang writes about most
- Celiac Disease
- Intestinal Mucosa
- Signal Transduction
- Cell Line, Tumor
- Diet, Gluten-Free
- Epithelial Cells
- Esophageal Atresia
- Gene Expression Regulation
Dr. Chang's most frequent co-authors
- Jocelyn A. Silvester, MD, PhD7 shared papers
- Wayne I. Lencer, MD4 shared papers
- Peter D. Ngo, MD3 shared papers
Recent publications by Dr. Chang
See who Dr. Chang researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chang works with, so you can find a warm path to the right pediatric gastroenterology physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Denis Chang received $125 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Chang from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. UCB, Inc. paid the most, $125.
Companies that paid Dr. Chang the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Denis Chang'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Denis Chang
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. Denis Chang's NPI number?
Dr. Denis Chang's NPI number is 1952747420. It was assigned on May 10, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Denis Chang?
Dr. Denis Chang is a pediatric gastroenterology physician in Boston, Massachusetts. The primary specialty in the NPI Registry is Pediatric Gastroenterology Physician (taxonomy code 2080P0206X).
Where does Dr. Denis Chang practice?
Dr. Chang practices at 300 Longwood Avenue, Boston, MA 02115. Dr. Chang's primary practice is Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital. Dmand AI also links Dr. Chang to 1 dialysis center and 1 medical group.
What is Dr. Denis Chang's office phone number?
The practice phone on file for Dr. Chang is (617) 735-6000.
What is Dr. Denis Chang's medical license number?
Dr. Chang holds Massachusetts license 282535.
Which hospitals is Dr. Denis Chang affiliated with?
Dr. Chang practices at Boston Children's Hospital in Boston, Massachusetts.
What medical group is Dr. Denis Chang part of?
Dr. Chang is linked to Boston Children's Hospital. Dmand AI links Dr. Chang to 1 more medical group.
Does Dr. Denis Chang accept Medicare?
Yes. CMS lists Dr. Chang as accepting Medicare assignment.
Has Dr. Denis Chang received payments from drug or device companies?
CMS Open Payments shows $125 in general payments to Dr. Chang from 1 company from 2016 to 2016. The largest total came from UCB, Inc.
How long has Dr. Denis Chang been practicing?
Dr. Chang graduated from medical school in 2009, 17 years ago.
Does Dr. Denis Chang do research?
Dmand AI links 18 publications to Dr. Chang, published from 2012 to 2025.
Who does Dr. Denis Chang publish with?
Dr. Chang's most frequent co-authors are Jocelyn A. Silvester, MD, PhD (7 shared papers), Wayne I. Lencer, MD (4 shared papers) and Peter D. Ngo, MD (3 shared papers).
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