Nancy Guirguis
Internal Medicine Physician · Corvallis, OR
Nancy Guirguis is an internal medicine physician with a practice address in Corvallis, Oregon, and NPI 1154775815, issued on Apr 19, 2016. Check the license (Oregon DO224060, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nancy Guirguis
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- DO224060 OR
Self-reported in NPPES; status is on the state search - Practice location
- 981 NW Spruce Ave, Corvallis, OR 97330
- Phone
- (541) 758-0766
- Enumerated
- Apr 19, 2016
- Record last updated
- Mar 10, 2026
- Medicare enrollment
- Enrolled (PECOS I20250331000627); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Also registered at 981 NW Spruce Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher Broadbent, LPCProfessional Counselor1265831465
- Regina Fiacco, PA-CMedical Physician Assistant1518934751
- Sean Greene, PA-CPhysician Assistant1831133826
- Meva Kennedy, PAPhysician Assistant1275728008
- Tien Le, D.O.Family Medicine Physician1144651043
- Trevor Motter, PAPhysician Assistant1194350983
Verify Nancy Guirguis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO224060Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
11 Medicare Part D claims, against an average of 3,176 among the 108,855 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.
Bills Medicare through one group practice
- Valley ClinicsCorvallis, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nancy Guirguis among 2,116 internal medicine physician records in Oregon
Nancy Guirguis 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 2016, is newer than 78% of them.
- NPI issued2016 · 78% of these records are older, 19% 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 updated2026 · 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).
129 internal medicine physician records list a practice address in Corvallis
They are 129 of the 4,096 NPPES records with a practice address in Corvallis, and 2,116 internal medicine physician records in Oregon.
All 2,116 in Oregon → Every provider in Corvallis → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Steven Athay, M.D.Corvallis, OR 973301477502375
- Lynn Bentson, M.D, MACPCorvallis, OR 973301619916483
- Charlene Carroll, M.D.Corvallis, OR 973301275577769
- Brian Curtis, M.D.Corvallis, OR 973301245289115
- Ulrike Guempel, M.D.Corvallis, OR 973301912956897
- Kien Huynh, M.D.Corvallis, OR 973301619918034
- Janel Lawrence, M.D.Corvallis, OR 973301184673998
- Libor Pavlosek, M.D.Corvallis, OR 973301376510420
Common questions
What is Nancy Guirguis's NPI number?
Nancy Guirguis's National Provider Identifier (NPI) is 1154775815, issued on Apr 19, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Guirguis located?
The NPPES record lists a practice address at 981 NW Spruce Ave, Corvallis, OR, 97330. Phone: (541) 758-0766. Providers update this record themselves, so call before visiting.
How can I verify Nancy Guirguis's license?
NPPES lists Oregon license number DO224060, 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 Nancy Guirguis prescribe under Medicare Part D?
In 2024, Nancy Guirguis had 11 Medicare Part D claims; 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.