Roxanne Jb Thomas, MD
Family Medicine Physician · Portland, OR
Roxanne Jb Thomas, MD is a family medicine physician with a practice address in Portland, Oregon, and NPI 1578099859, issued on May 5, 2017. Check the license (Oregon MD195223, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Roxanne Jb Thomas
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD195223 OR
Self-reported in NPPES; status is on the state search - Practice location
- 4920 N Interstate Ave, Portland, OR 97217
- Phone
- (503) 215-3300
- Enumerated
- May 5, 2017
- Record last updated
- Mar 25, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200728001822); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 4920 N Interstate Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Vanessa Casillas, PSY.D.Clinical Psychologist1235432287
- Zhong Chen, MDFamily Medicine Physician1518609767
Verify Roxanne Jb Thomas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD195223Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average family medicine physician in 2024
1,534 Medicare Part D claims for 105 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 55 claims were for opioids.
Most prescribed
- Atorvastatin Calcium132 claims
- Lisinopril72 claims
- Omeprazole61 claims
- Albuterol Sulfate Hfa43 claims
- Amlodipine Besylate42 claims
- Oxycodone Hcl36 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.
Bills Medicare through one group practice
- Providence Health And Services OregonPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Roxanne Jb Thomas among 2,847 family medicine physician records in Oregon
Roxanne Jb Thomas, MD is one of 2,847 family medicine physician records with a practice address in Oregon. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 81% of them.
- NPI issued2017 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2016 · median 2009 among the 1,671 with a school on file
- Record last updated2021 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
561 family medicine physician records list a practice address in Portland
They are 561 of the 42,088 NPPES records with a practice address in Portland, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in Portland → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Matthew Breeze, MDPortland, OR 972171083655609
- Simon Chan, DOPortland, OR 972171841242195
- Diego Diaz, MDPortland, OR 972171407019532
- Shauna Ensminger, MDPortland, OR 972171619960002
- Gregory Freed, M.D.Portland, OR 972171346433042
- Monique Gedenk, MDPortland, OR 972171740226745
- Janel Guyette, M.D.Portland, OR 972171205990660
- Mary Frances Lowdermilk, M.D.Portland, OR 972171245453315
Common questions
What is Roxanne Jb Thomas, MD's NPI number?
Roxanne Jb Thomas, MD's National Provider Identifier (NPI) is 1578099859, issued on May 5, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Roxanne Jb Thomas, MD located?
The NPPES record lists a practice address at 4920 N Interstate Ave, Portland, OR, 97217. Phone: (503) 215-3300. Providers update this record themselves, so call before visiting.
How can I verify Roxanne Jb Thomas, MD's license?
NPPES lists Oregon license number MD195223, 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 Roxanne Jb Thomas, MD prescribe under Medicare Part D?
In 2024, Roxanne Jb Thomas, MD had 1,534 Medicare Part D claims for 105 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.