Gabriel Allan Orenstein, DO
Psychiatry Physician · Portland, OR
Gabriel Allan Orenstein, DO is a psychiatry physician with a practice address in Portland, Oregon, and NPI 1841759750, issued on Mar 19, 2019. Check the license (Oregon DO220313, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gabriel Allan Orenstein
- Credential
- DO
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- DO220313 OR
Self-reported in NPPES; status is on the state search - Practice location
- 832 NE 162ND Ave, Portland, OR 97230
- Phone
- (503) 408-5016
- Enumerated
- Mar 19, 2019
- Record last updated
- Dec 9, 2025
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 764 in Oregon → Look up another NPI →
Also registered at 832 NE 162ND Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Melinda KelleyBehavior Technician1639615743
- Nancy Lammers, RNRegistered Nurse1538543517
- Lillian Nickerson, R.N.Registered Nurse1982142147
- Jennifer PritchettChild & Adolescent Psychiatric/Mental Health Registered Nurse1114441672
- Stephany SaingRegistered Nurse1699213793
Verify Gabriel Allan Orenstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO220313Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average psychiatry physician in 2024
13 Medicare Part D claims, against an average of 1,000 among the 35,054 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.
Gabriel Allan Orenstein among 764 psychiatry physician records in Oregon
Gabriel Allan Orenstein, DO is one of 764 psychiatry physician records with a practice address in Oregon. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 89% of them.
- NPI issued2019 · 89% of these records are older, 9% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileNo · 39% of these records are
- Record last updated2025 · 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 2084P0800X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Oregon
There are 764 psychiatry physician records in Oregon.
All 764 in Oregon → Every provider in Portland → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Naomi Fishman, M.D.Portland, OR 972301891085437
- George FussellPortland, OR 972301902864952
- Grant Godbey, MDPortland, OR 972301902936594
- Clara RuizPortland, OR 972301881829596
- Hadi Farah, M.D.Portland, OR 972291316367444
- William Hoppe, MDPortland, OR 972291003123852
- Keith Lowenstein, MDPortland, OR 972291679749980
- Cynthia Romero, M.D.Portland, OR 972291881734960
Common questions
What is Gabriel Allan Orenstein, DO's NPI number?
Gabriel Allan Orenstein, DO's National Provider Identifier (NPI) is 1841759750, issued on Mar 19, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Gabriel Allan Orenstein, DO located?
The NPPES record lists a practice address at 832 NE 162ND Ave, Portland, OR, 97230. Phone: (503) 408-5016. Providers update this record themselves, so call before visiting.
How can I verify Gabriel Allan Orenstein, DO's license?
NPPES lists Oregon license number DO220313, 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 Gabriel Allan Orenstein, DO prescribe under Medicare Part D?
In 2024, Gabriel Allan Orenstein, DO had 13 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.