Chris Byung Hyun, M.D.
Gastroenterology Physician · Tigard, OR
Chris Byung Hyun, M.D. is a gastroenterology physician with a practice address in Tigard, Oregon, and NPI 1447230594, issued on Jan 17, 2006. Check the license (Oregon MD26315, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Chris Byung Hyun
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD26315 OR
Self-reported in NPPES; status is on the state search - Practice location
- 9250 SW Hall Blvd, Tigard, OR 97223
- Phone
- (503) 293-0161
- Enumerated
- Jan 17, 2006
- Record last updated
- Nov 12, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (503) 452-3200
- Medicare enrollment
- Enrolled (PECOS I20080212000542); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 281 in Oregon → Look up another NPI →
Also registered at 9250 SW Hall Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christine Bugas, DOFamily Medicine Physician1104936301
- Michael Chen, M.D.Family Medicine Physician1023005410
- Michael Cunningham, PA-CPhysician Assistant1154517175
- Stephen Dehn, MSPTPhysical Therapist1477031730
- Sheeten Doshi, M.D.Gastroenterology Physician1154307478
- Ertan Esmer, MDOtolaryngology Physician1619069887
Verify Chris Byung Hyun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD26315Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% more Medicare Part D claims than the average gastroenterology physician in 2024
978 Medicare Part D claims for 424 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Omeprazole303 claims
- Sod Sulf-Potass Sulf-Mag Sulf170 claims
- Pantoprazole Sodium86 claims
- Mesalamine45 claims
- Dicyclomine Hcl28 claims
- Suprep26 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $402.31
17 payments; by number, the most common kind was food and beverage; the largest payer was Aimmune Therapeutics, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Portland ClinicBeaverton, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chris Byung Hyun among 281 gastroenterology physician records in Oregon
Chris Byung Hyun, M.D. is one of 281 gastroenterology physician records with a practice address in Oregon. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 20% of them.
- NPI issued2006 · 20% of these records are older, 45% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1994 · median 2003 among the 201 with a school on file
- Record last updated2020 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Oregon
There are 281 gastroenterology physician records in Oregon.
All 281 in Oregon → Every provider in Tigard → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Sheeten Doshi, M.D.Tigard, OR 972231154307478
- Anne Breitinger, MDMilwaukie, OR 972221871772442
- Jonathan Hattenhauer, D.O.Milwaukie, OR 972221013302348
- Christopher Carter, MDPortland, OR 972251003814799
- David Grunkemeier, MDPortland, OR 972251972542090
- Larry Heinonen, MDPortland, OR 972251669478343
- John Jendrzejewski, MDPortland, OR 972251225034911
- Alan Kaynard, MDPortland, OR 972251356347991
Common questions
What is Chris Byung Hyun, M.D.'s NPI number?
Chris Byung Hyun, M.D.'s National Provider Identifier (NPI) is 1447230594, issued on Jan 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Chris Byung Hyun, M.D. located?
The NPPES record lists a practice address at 9250 SW Hall Blvd, Tigard, OR, 97223. Phone: (503) 293-0161. Providers update this record themselves, so call before visiting.
How can I verify Chris Byung Hyun, M.D.'s license?
NPPES lists Oregon license number MD26315, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Chris Byung Hyun, M.D. prescribe under Medicare Part D?
In 2024, Chris Byung Hyun, M.D. had 978 Medicare Part D claims for 424 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.