Elliot Joo, MD
NPI 1033322128 · Gastroenterology Physician · Portland, OR
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elliot Joo, MD is a Gastroenterology Physician provider in Portland, OR (NPI 1033322128).
Provider details
- NPI number
- 1033322128
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD156950 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
340 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 75 | $42 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 43 | $246 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 42 | $131 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 31 | $84 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 29 | $73 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 64 | 63 |
| Omeprazole | 50 | 23 |
| Budesonidebrand: Budesonide Dr | 31 | — |
| Sod Sulf/Pot Chloride/Mag Sulfbrand: Sutab | 30 | 30 |
| Mesalamine | 19 | — |
| Mesalaminebrand: Mesalamine Er | 16 | — |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$149 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-07
- Last updated
- 2025-12-11
- Certified
- 2025-12-11
Frequently asked questions
- What is Elliot Joo's NPI number?
- Elliot Joo's National Provider Identifier (NPI) is 1033322128, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elliot Joo's specialty?
- Elliot Joo is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Elliot Joo located?
- Elliot Joo's practice location on file with NPPES is 9701 Sw Barnes Rd Ste 300, Portland, OR 97225-6689.
- What is Elliot Joo's phone number?
- The practice phone number listed in the NPPES registry for Elliot Joo is (503) 297-8081.
- Does Elliot Joo accept Medicare?
- Elliot Joo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elliot Joo's NPI active?
- Yes — Elliot Joo's NPI (1033322128) is active in the NPPES registry as of the last update on 2025-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.