Ruby Hoang, DO
Medical Toxicology (Emergency Medicine) Physician · Portland, OR
Ruby Hoang, DO is a medical toxicology (emergency medicine) physician with a practice address in Portland, Oregon, and NPI 1770976623, issued on Mar 16, 2015. Check the license (Oregon DO205096, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ruby Hoang
- Credential
- DO
- Primary taxonomy
- Medical Toxicology (Emergency Medicine) Physician 207PT0002X
- License numbers
- DO205096 OR
0195 OK
6420 OK
Self-reported in NPPES; status is on the state search - Practice location
- 3181 SW Sam Jackson Park RD, Portland, OR 97239
- Phone
- (503) 494-8600
- Enumerated
- Mar 16, 2015
- Record last updated
- Jun 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (503) 494-4997
- Medicare enrollment
- Enrolled (PECOS I20210621000894); accepts Medicare assignment
- Entity
- Type 1 · individual
5 nearest medical toxicology (emergency medicine) physician records → All 6 in Oregon → Look up another NPI →
Also registered at 3181 SW Sam Jackson Park RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alex AamodtCritical Care Medicine Registered Nurse1154257590
- Jefferson Abaricia, MD, PHDStudent in an Organized Health Care Education/Training Program1073215711
- Kenneth Abbey, MDAnesthesiology Physician1588779342
- Matthew Abbott, PA-CMedical Physician Assistant1154738003
- Ayah Abdelsalam Megahed, MD, MSCVascular & Interventional Radiology Physician1023503596
- Obada Abdulrazzak, MDStudent in an Organized Health Care Education/Training Program1598567430
Verify Ruby Hoang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO205096Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% more Medicare Part D claims than the average medical toxicology (emergency medicine) physician in 2024
160 Medicare Part D claims for 116 beneficiaries, against an average of 138 among the 103 providers of this specialty who prescribed in Part D. 24 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen18 claims
- Ondansetron Odt15 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
- Kaiser Foundation Health Plan OF The NorthwestClackamas, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Medical Toxicology (Emergency Medicine) Physician providers in Oregon
There are 6 medical toxicology (emergency medicine) physician records in Oregon.
All 6 in Oregon → Every provider in Portland → Medical Toxicology (Emergency Medicine) Physician nationwide →
The 5 medical toxicology (emergency medicine) physician records with the nearest ZIP codes
- Robert Hendrickson, MDPortland, OR 972391467457192
- Nikolaus Matsler, M.D.Portland, OR 972391902338932
- Martin Smilkstein, M.D.Portland, OR 972391629301528
- Andrew Troger, MDPortland, OR 972391598227373
- Craig Warden, MDPortland, OR 972391588762413
Common questions
What is Ruby Hoang, DO's NPI number?
Ruby Hoang, DO's National Provider Identifier (NPI) is 1770976623, issued on Mar 16, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Ruby Hoang, DO located?
The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD, Portland, OR, 97239. Phone: (503) 494-8600. Providers update this record themselves, so call before visiting.
How can I verify Ruby Hoang, DO's license?
NPPES lists Oregon license number DO205096, 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 Ruby Hoang, DO prescribe under Medicare Part D?
In 2024, Ruby Hoang, DO had 160 Medicare Part D claims for 116 beneficiaries; the average among medical toxicology (emergency medicine) physician prescribers was 138. 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.