Elliot Joo, MD
Gastroenterology Physician · Portland, OR
Elliot Joo, MD is a gastroenterology physician with a practice address in Portland, Oregon, and NPI 1033322128, issued on May 7, 2007. Check the license (Oregon MD156950, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Elliot Joo
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD156950 OR
Self-reported in NPPES; status is on the state search - Practice location
- 9701 SW Barnes RD Ste 300, Portland, OR 97225
- Phone
- (503) 297-8081
- Enumerated
- May 7, 2007
- Record last updated
- Dec 11, 2025
- Fax
- (503) 292-6601
- Medicaid IDs
- 500646438 OR
2028722 WA - Medicare enrollment
- Enrolled (PECOS I20120822000397); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 281 in Oregon → Look up another NPI →
Also registered at 9701 SW Barnes RD Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adnan Ahmad, PHYSICIAN ASSISTANTPhysician Assistant1417788183
- Deron Amador, M.D.Gastroenterology Physician1841653490
- Manisha Apte, M.D.Gastroenterology Physician1851745129
- Leslie Brenton, RD LDRegistered Dietitian1417730367
- Michael Chew, MD, MSGastroenterology Physician1487912697
- Jennifer ChingRegistered Dietitian1003698192
Verify Elliot Joo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD156950Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average gastroenterology physician in 2024
337 Medicare Part D claims for 161 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Ondansetron Odt64 claims
- Omeprazole50 claims
- Budesonide Dr31 claims
- Sutab30 claims
- Mesalamine19 claims
- Mesalamine Er16 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.
The MIPS final score for 2023 (Medicare payment program): 97.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $149.01
2 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. 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
- The Oregon Clinic, PCPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elliot Joo among 281 gastroenterology physician records in Oregon
Elliot Joo, MD 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 2007, is newer than 55% of them.
- NPI issued2007 · 55% of these records are older, 31% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2006 · median 2003 among the 201 with a school on file
- Record last updated2025 · 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 Portland → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Christopher Carter, MDPortland, OR 972251003814799
- Glenn Eisen, MDPortland, OR 972251295741759
- David Grunkemeier, MDPortland, OR 972251972542090
- Larry Heinonen, MDPortland, OR 972251669478343
- John Jendrzejewski, MDPortland, OR 972251225034911
- Alan Kaynard, MDPortland, OR 972251356347991
- George Koval, MDPortland, OR 972251093711715
- John Lobitz, MDPortland, OR 972251851397558
Common questions
What is Elliot Joo, MD's NPI number?
Elliot Joo, MD's National Provider Identifier (NPI) is 1033322128, issued on May 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Elliot Joo, MD located?
The NPPES record lists a practice address at 9701 SW Barnes RD Ste 300, Portland, OR, 97225. Phone: (503) 297-8081. Providers update this record themselves, so call before visiting.
How can I verify Elliot Joo, MD's license?
NPPES lists Oregon license number MD156950, 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 Elliot Joo, MD prescribe under Medicare Part D?
In 2024, Elliot Joo, MD had 337 Medicare Part D claims for 161 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Elliot Joo, MD's MIPS final score?
The 2023 MIPS final score is 97.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.