CaliforniaChild Nutritional Physiological PhenomenaCounseling
Dr. Matthew Ryan Riley, MD
NPI1164486759
- Publications
- 6
- Industry payments
- $251
- Affiliated sites
- 3
- Medical groups
- 3
- Insurance carriers
- 11
- Practice address
- 9427 SW Barnes Rd, Portland, OR 97225
- Practice phone
- Call (503) 216-8654
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Providence Medical Group
Portland, Oregon
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Dr. Matthew Ryan Riley is a pediatric gastroenterology physician in Portland, Oregon
Dr. Riley practices at Providence Medical Group in Portland, Oregon.
Dr. Riley's NPI, 1164486759, was assigned on April 12, 2006. Dr. Riley graduated from OHSU School of Medicine in 1999. Dr. Riley's Oregon license number on file is MD23166.
NPI and contact details
- NPI
- 1164486759NPI Registry (opens in a new tab)
- NPI enumeration date
- April 12, 2006
- NPI status
- Active
- Practice phone
- (503) 216-8654
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Matthew Ryan Riley practices at Providence Medical Group in Portland, Oregon
Dr. Riley's primary practice is Providence Medical Group, at 9427 SW Barnes Rd, Portland, OR 97225 in Washington County. The practice phone is (503) 216-8654.
- Providence Medical Group9427 SW Barnes Rd, Portland, OR 97225 · Washington CountyPhone(503) 216-8654
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Matthew Ryan Riley is affiliated with 4 sites of care and 3 medical groups
Dr. Riley's primary practice is Providence Medical Group in Portland, Oregon. The medical group on file is Providence Medical Group, Oregon. Dmand AI also links Dr. Riley to 3 more group practices and clinics and 2 medical groups, each named with a free account.
Providence Medical GroupPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Matthew Ryan Riley's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Riley practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence 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. Matthew Ryan Riley is one of 20 pediatric gastroenterology physicians in Oregon
Pediatric gastroenterology is Dr. Riley's primary specialty in the NPI Registry, under taxonomy code 2080P0206X. Dr. Riley is board certified in pediatric gastroenterology by the American Board of Pediatrics. Dmand AI has Dr. Riley's licenses on file in 3 states: Oregon, Washington and California.
Specialties and state licenses
- Pediatric gastroenterology, OregonPrimary
- Washington license
- California license
Pediatric gastroenterology physicians near Dr. Riley
Counts of pediatric gastroenterology physicians with a Dmand AI profile, by place and practice. Each opens the list.
20pediatric gastroenterology physicians in Oregon14pediatric gastroenterology physicians in Portland
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Matthew Ryan Riley's patients have a median age of 11
Across all payers, Dmand AI patient panel data puts Dr. Riley's median patient age at 11, with 45% women.
Dr. Riley's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 11
Patient panel by sex, all payers
- Women45%
- Men55%
Source: Dmand AI Patient Panel Data
Dr. Matthew Ryan Riley has 6 publications on record
Dmand AI links 6 papers to Dr. Riley in 2021. 2021 was the busiest year, with 2. Dr. Riley has published most often in J Pediatr Gastroenterol Nutr. Dr. Riley's most frequent co-authors are Lusine Rafaelovna Ambartsumyan, MD, Douglas S. Fishman, MD and Robert E. Kramer, MD.
Papers6
Dr. Riley's most frequent co-authors
- Lusine Rafaelovna Ambartsumyan, MD3 shared papers
- Douglas S. Fishman, MD3 shared papers
- Robert E. Kramer, MD3 shared papers
Recent publications by Dr. Riley
J Pediatr Gastroenterol Nutr
ConsensusDelphi TechniqueEndoscopy, Gastrointestinal
See who Dr. Riley researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Riley 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. Matthew Ryan Riley received $251 in industry payments from 2016 to 2017
CMS Open Payments shows 16 general payments to Dr. Riley from 8 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $67.
General payments to Dr. Riley by program year, 2016 to 2017
Companies that paid Dr. Riley the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Matthew Ryan Riley has 1 award and honors on record
Dmand AI lists 1 award for Dr. Riley.
Awards and honors for Dr. Riley
- Undated
- AAP Fellow
Dr. Riley's committees and leadership roles
- Clinical Practice Committee--NASPGHANChair
- 2015 to 2018
Source: Dmand AI Professional Profile Data
Dr. Matthew Ryan Riley graduated from OHSU School of Medicine
Dr. Riley graduated from OHSU School of Medicine in 1999. Dr. Riley is a member of AOA, AAP and AGA.
- Medical school
- Board certified in pediatric gastroenterology
Source: Dmand AI Professional Profile Data
Dr. Matthew Ryan Riley accepts plans from 11 insurance carriers
Dr. Riley is in network with 11 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Cigna. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Cigna
- Elevance
- Aetna
- Alliant Health Plans
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- +3 more carriersWith a free account
Plan types Dr. Riley accepts, by number of carriers
- PPO7
- HMO5
- Medicare2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Matthew Ryan Riley'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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. Matthew Ryan Riley
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. Matthew Ryan Riley's NPI number?
Dr. Matthew Ryan Riley's NPI number is 1164486759. It was assigned on April 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew Ryan Riley?
Dr. Matthew Ryan Riley is a pediatric gastroenterology physician in Portland, Oregon. The primary specialty in the NPI Registry is Pediatric Gastroenterology Physician (taxonomy code 2080P0206X).
Where does Dr. Matthew Ryan Riley practice?
Dr. Riley practices at 9427 SW Barnes Rd, Portland, OR 97225. Dr. Riley's primary practice is Providence Medical Group in Portland, Oregon. Dmand AI also links Dr. Riley to 3 group practices and clinics and 2 medical groups.
What is Dr. Matthew Ryan Riley's office phone number?
The practice phone on file for Dr. Riley is (503) 216-8654.
What is Dr. Matthew Ryan Riley's medical license number?
Dr. Riley's Oregon license number on file is MD23166, one of the licenses on file in 3 states.
Which states has Dr. Matthew Ryan Riley been licensed in?
Dmand AI has state licenses on file for Dr. Riley in Oregon (2001 to 2025), Washington (2020 to 2027) and California (2002 to 2005).
What medical group is Dr. Matthew Ryan Riley part of?
Dr. Riley is linked to Providence Medical Group, Oregon. Dmand AI links Dr. Riley to 2 more medical groups.
Is Dr. Matthew Ryan Riley board certified?
Yes. Dr. Riley is board certified in pediatric gastroenterology by the American Board of Pediatrics.
Where did Dr. Matthew Ryan Riley go to medical school?
Dr. Riley graduated from OHSU School of Medicine in 1999.
Has Dr. Matthew Ryan Riley received payments from drug or device companies?
CMS Open Payments shows $251 in general payments to Dr. Riley from 8 companies from 2016 to 2017. The largest total came from Janssen Pharmaceuticals, Inc.
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How long has Dr. Matthew Ryan Riley been practicing?
Dr. Riley graduated from medical school in 1999, 27 years ago.
Does Dr. Matthew Ryan Riley do research?
Dmand AI links 6 publications to Dr. Riley.
Who does Dr. Matthew Ryan Riley publish with?
Dr. Riley's most frequent co-authors are Lusine Rafaelovna Ambartsumyan, MD (3 shared papers), Douglas S. Fishman, MD (3 shared papers) and Robert E. Kramer, MD (3 shared papers).
What insurance does Dr. Matthew Ryan Riley accept?
Dr. Riley is in network with 11 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Cigna. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
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