Theodore Anthony Tollivoro, M.D.
Gastroenterology Physician · Clackamas, OR
Theodore Anthony Tollivoro, M.D. is a gastroenterology physician with a practice address in Clackamas, Oregon, and NPI 1811230147, issued on Apr 4, 2013. Check the license (Oregon MD224469, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Theodore Anthony Tollivoro
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- MD224469 OR
A132935 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9900 SE Sunnyside RD, Clackamas, OR 97015
- Phone
- (800) 813-2000
- Enumerated
- Apr 4, 2013
- Record last updated
- Aug 5, 2025
- Medicare enrollment
- Enrolled (PECOS I20250820004605); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 281 in Oregon → Look up another NPI →
Also registered at 9900 SE Sunnyside RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Douglas Ackerman, M.D.Urology Physician1174636344
- Kamran Aghaie, MDGastroenterology Physician1104056936
- Joshua Armagost, RNRegistered Nurse First Assistant1558513135
- Jeffrey Barton, M.D.Colon & Rectal Surgery Physician1295988350
- Tracy Barton, RPHPharmacist1265804421
- Natalie Baxter, PA-CMedical Physician Assistant1265675599
Verify Theodore Anthony Tollivoro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD224469Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average gastroenterology physician in 2024
405 Medicare Part D claims for 155 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
- Pantoprazole Sodium106 claims
- Omeprazole69 claims
- Sod Sulf-Potass Sulf-Mag Sulf50 claims
- Famotidine19 claims
- Mesalamine17 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 practice group's MIPS final score for 2023 (Medicare payment program): 85.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $842.50
34 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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
- Kaiser Foundation Health Plan OF The NorthwestVancouver, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Theodore Anthony Tollivoro among 281 gastroenterology physician records in Oregon
Theodore Anthony Tollivoro, 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 2013, is newer than 82% of them.
- NPI issued2013 · 82% of these records are older, 14% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2013 · 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 Clackamas → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Kamran Aghaie, MDClackamas, OR 970151104056936
- Ben Bryant, M.D.Clackamas, OR 970151215158704
- Timothy Burke, D.O.Clackamas, OR 970151215908553
- Janice ChoClackamas, OR 970151457715054
- David Clarke, MDClackamas, OR 970151306959002
- Elaine Gossman, M.D.Clackamas, OR 970151427061886
- Averill Guo, MDClackamas, OR 970151407353808
- Ronald Hapke, M.D.Clackamas, OR 970151841290699
Common questions
What is Theodore Anthony Tollivoro, M.D.'s NPI number?
Theodore Anthony Tollivoro, M.D.'s National Provider Identifier (NPI) is 1811230147, issued on Apr 4, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Theodore Anthony Tollivoro, M.D. located?
The NPPES record lists a practice address at 9900 SE Sunnyside RD, Clackamas, OR, 97015. Phone: (800) 813-2000. Providers update this record themselves, so call before visiting.
How can I verify Theodore Anthony Tollivoro, M.D.'s license?
NPPES lists Oregon license number MD224469, 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 Theodore Anthony Tollivoro, M.D. prescribe under Medicare Part D?
In 2024, Theodore Anthony Tollivoro, M.D. had 405 Medicare Part D claims for 155 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Theodore Anthony Tollivoro, M.D.'s MIPS final score?
The 2023 MIPS final score is 85.7 of 100, reported for the practice group. 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.