Oshin Minassian Worthington, N.D.
Naturopath · Portland, OR
Oshin Minassian Worthington, N.D. is a naturopath with a practice address in Portland, Oregon, and NPI 1508220732, issued on Apr 13, 2016. Check the license (Oregon 3091, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Oshin Minassian Worthington
- Credential
- N.D.
- Primary taxonomy
- Naturopath 175F00000X
- License number
- 3091 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2800 N Lombard St # 333, Portland, OR 97217
- Phone
- (503) 610-3828
- Enumerated
- Apr 13, 2016
- Record last updated
- Nov 30, 2023
- Fax
- (833) 262-1494
- Entity
- Type 1 · individual
8 nearest naturopath records → All 1,181 in Oregon → Look up another NPI →
Verify Oshin Minassian Worthington in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license 3091Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average naturopath in 2024
98 Medicare Part D claims, against an average of 109 among the 1,866 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Testosterone12 claims
- Estradiol11 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.
Oshin Minassian Worthington among 1,181 naturopath records in Oregon
Oshin Minassian Worthington, N.D. is one of 1,181 naturopath records with a practice address in Oregon. 37% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 65% of them.
- NPI issued2016 · 65% of these records are older, 31% newer
- In a Medicare fileYes · 37% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2023 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 175F00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
687 naturopath records list a practice address in Portland
They are 687 of the 42,088 NPPES records with a practice address in Portland, and 1,181 naturopath records in Oregon.
All 1,181 in Oregon → Every provider in Portland → Naturopath nationwide →
The 8 naturopath records with the nearest ZIP codes
- Aarin Benson, N.D.Portland, OR 972171215102496
- Laurent Chaix, N.D.Portland, OR 972171851327266
- Mark Davis, NDPortland, OR 972171972888378
- Ilana Gurevich, ND, LACPortland, OR 972171225218977
- Marleen Haverty, N.D., LAC.Portland, OR 972171316077126
- Pamela Jeanne, NDPortland, OR 972171700114345
- Iris Maruska, NDPortland, OR 972171780012724
- Kate Patterson, N.D.Portland, OR 972171265742548
Common questions
What is Oshin Minassian Worthington, N.D.'s NPI number?
Oshin Minassian Worthington, N.D.'s National Provider Identifier (NPI) is 1508220732, issued on Apr 13, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Oshin Minassian Worthington, N.D. located?
The NPPES record lists a practice address at 2800 N Lombard St # 333, Portland, OR, 97217. Phone: (503) 610-3828. Providers update this record themselves, so call before visiting.
How can I verify Oshin Minassian Worthington, N.D.'s license?
NPPES lists Oregon license number 3091, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Oshin Minassian Worthington, N.D. prescribe under Medicare Part D?
In 2024, Oshin Minassian Worthington, N.D. had 98 Medicare Part D claims; the average among naturopath prescribers was 109. 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.