Isadora Roth, M.D.
Internal Medicine Physician · Portland, OR
Isadora Roth, M.D. is an internal medicine physician with a practice address in Portland, Oregon, and NPI 1972603553, issued on Sep 24, 2006. Check the license (Oregon MD25317, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Isadora Roth
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD25317 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1015 NW 22ND Ave, Portland, OR 97210
- Phone
- (503) 413-7711
- Enumerated
- Sep 24, 2006
- Record last updated
- Jul 11, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050329001338); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Also registered at 1015 NW 22ND Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Temitope Adebayo, DPMStudent in an Organized Health Care Education/Training Program1043079411
- Darren Alexander, MDEmergency Medicine Physician1487678256
- Hasibullah Amir, DOStudent in an Organized Health Care Education/Training Program1093517831
- David Andrews, DOHospitalist Physician1144407123
- Reza Antoszewska, NPNurse Practitioner1770645251
- Jennifer Aponte, MDEmergency Medicine Physician1538180740
Verify Isadora Roth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD25317Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
108 Medicare Part D claims for 33 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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): 86 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).
Bills Medicare through one group practice
- Legacy Clinics LLCPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isadora Roth among 2,116 internal medicine physician records in Oregon
Isadora Roth, M.D. is one of 2,116 internal medicine physician records with a practice address in Oregon. 73% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 54% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2001 · median 2008 among the 1,232 with a school on file
- Record last updated2007 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
889 internal medicine physician records list a practice address in Portland
They are 889 of the 42,088 NPPES records with a practice address in Portland, and 2,116 internal medicine physician records in Oregon.
All 2,116 in Oregon → Every provider in Portland → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Stephen Baugh, MDPortland, OR 972101972577740
- James Borden, MDPortland, OR 972101679555742
- Patrick Dunn, M.D.Portland, OR 972101669447231
- Barry Egener, MDPortland, OR 972101437124088
- Joyce KaynardPortland, OR 972101720053317
- Curtis Marr, M.D.Portland, OR 972101669447264
- Erich Meihoff, MDPortland, OR 972101144295916
- John Oppenheimer, MDPortland, OR 972101922071513
Common questions
What is Isadora Roth, M.D.'s NPI number?
Isadora Roth, M.D.'s National Provider Identifier (NPI) is 1972603553, issued on Sep 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Isadora Roth, M.D. located?
The NPPES record lists a practice address at 1015 NW 22ND Ave, Portland, OR, 97210. Phone: (503) 413-7711. Providers update this record themselves, so call before visiting.
How can I verify Isadora Roth, M.D.'s license?
NPPES lists Oregon license number MD25317, 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 Isadora Roth, M.D. prescribe under Medicare Part D?
In 2024, Isadora Roth, M.D. had 108 Medicare Part D claims for 33 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Isadora Roth, M.D.'s MIPS final score?
The 2023 MIPS final score is 86 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.