Boris M. Rozenberg, DO
Internal Medicine Physician · Portland, OR
Boris M. Rozenberg, DO is an internal medicine physician with a practice address in Portland, Oregon, and NPI 1861982530, issued on May 17, 2018. Check the license (Oregon DO205759, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Boris M. Rozenberg
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- DO205759 OR
Self-reported in NPPES; status is on the state search - Practice location
- 9135 SW Barnes RD Ste 668, Portland, OR 97225
- Phone
- (503) 216-8250
- Enumerated
- May 17, 2018
- Record last updated
- Oct 5, 2022
- Medicare enrollment
- Enrolled (PECOS I20210712002782); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Also registered at 9135 SW Barnes RD Ste 668
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberly Ceccarelli, NPGerontology Nurse Practitioner1609655521
- Bryan Rhoads, PA-CPhysician Assistant1982033171
- Teresa Schuhmann, LCSWClinical Social Worker1306647102
- Erica Thursz, PA-CPhysician Assistant1578935193
Verify Boris M. Rozenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO205759Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,614 Medicare Part D claims for 311 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 96 claims were for opioids.
Most prescribed
- Atorvastatin Calcium199 claims
- Levothyroxine Sodium121 claims
- Amlodipine Besylate110 claims
- Lisinopril87 claims
- Rosuvastatin Calcium87 claims
- Gabapentin67 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 2 group practices
- Providence Health And Services - OregonPortland, OR
- 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).
Boris M. Rozenberg among 2,116 internal medicine physician records in Oregon
Boris M. Rozenberg, DO 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 2018, is newer than 83% of them.
- NPI issued2018 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2018 · median 2008 among the 1,232 with a school on file
- Record last updated2022 · 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
- Myrna Casono, MDPortland, OR 972251588666432
- Timothy Cleary, M.D.Portland, OR 972251215933411
- Cynthia Ferrier, M.D.Portland, OR 972251285607440
- Robert Fojtasek, MDPortland, OR 972251306888649
- Steven Gordon, MDPortland, OR 972251285616748
- Thomas Gragnola, MDPortland, OR 972251144220765
- Janette Green, M.D.Portland, OR 972251225029986
- Charles Kilo, M.D.Portland, OR 972251801869078
Common questions
What is Boris M. Rozenberg, DO's NPI number?
Boris M. Rozenberg, DO's National Provider Identifier (NPI) is 1861982530, issued on May 17, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Boris M. Rozenberg, DO located?
The NPPES record lists a practice address at 9135 SW Barnes RD Ste 668, Portland, OR, 97225. Phone: (503) 216-8250. Providers update this record themselves, so call before visiting.
How can I verify Boris M. Rozenberg, DO's license?
NPPES lists Oregon license number DO205759, 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 Boris M. Rozenberg, DO prescribe under Medicare Part D?
In 2024, Boris M. Rozenberg, DO had 2,614 Medicare Part D claims for 311 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.