Pia Quimson-Guevarra, DO
Psychiatry Physician · Beaverton, OR
Pia Quimson-Guevarra, DO is a psychiatry physician with a practice address in Beaverton, Oregon, and NPI 1659614998, issued on Apr 4, 2013. Check the license (Oregon DO179697, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Pia Quimson-Guevarra
- Credential
- DO
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- DO179697 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1975 NW 167TH PL Ste 100-200, Beaverton, OR 97006
- Phone
- (503) 832-9293
- Enumerated
- Apr 4, 2013
- Record last updated
- Sep 9, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 764 in Oregon → Look up another NPI →
Verify Pia Quimson-Guevarra in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO179697Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average psychiatry physician in 2024
41 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Pia Quimson-Guevarra among 764 psychiatry physician records in Oregon
Pia Quimson-Guevarra, 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 2013, is newer than 73% of them.
- NPI issued2013 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileNo · 39% of these records are
- Record last updated2020 · 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 Beaverton → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Scott Christensen, M.D.Beaverton, OR 970061871025197
- Ann Howard, MDBeaverton, OR 970061184647174
- Marcia Kahn, MDBeaverton, OR 970061356364855
- Saja Necibi, MDBeaverton, OR 970061023698339
- Anthony Nguyen, MDHillsboro, OR 970061346696317
- Howard Rosenbaum, MDBeaverton, OR 970061801817507
- Anushka Shenoy, MDBeaverton, OR 970061689008682
- Mukhdip Singh, MDBeaverton, OR 970061780132613
Common questions
What is Pia Quimson-Guevarra, DO's NPI number?
Pia Quimson-Guevarra, DO's National Provider Identifier (NPI) is 1659614998, issued on Apr 4, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Pia Quimson-Guevarra, DO located?
The NPPES record lists a practice address at 1975 NW 167TH PL Ste 100-200, Beaverton, OR, 97006. Phone: (503) 832-9293. Providers update this record themselves, so call before visiting.
How can I verify Pia Quimson-Guevarra, DO's license?
NPPES lists Oregon license number DO179697, 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 Pia Quimson-Guevarra, DO prescribe under Medicare Part D?
In 2024, Pia Quimson-Guevarra, DO had 41 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.