Geoffrey Xiao, PA-C
Medical Physician Assistant · Tigard, OR
Geoffrey Xiao, PA-C is a medical physician assistant with a practice address in Tigard, Oregon, and NPI 1790132017, issued on May 17, 2016. Check the license (Oregon PA178428, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Geoffrey Xiao
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA178428 OR
Self-reported in NPPES; status is on the state search - Practice location
- 15895 SW 72ND Ave Ste 250, Tigard, OR 97224
- Phone
- (503) 624-5630
- Enumerated
- May 17, 2016
- Record last updated
- Nov 26, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (503) 624-9149
- Medicaid IDs
- 2079317 WA
500717752 OR - Medicare enrollment
- Enrolled (PECOS I20160824002171); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 699 in Oregon → Look up another NPI →
Also registered at 15895 SW 72ND Ave Ste 250
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Firas Khoury, MDNephrology Physician1013933480
Verify Geoffrey Xiao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license PA178428Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.8 times the Medicare Part D claims of the average medical physician assistant in 2024
6,710 Medicare Part D claims for 901 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 412 claims were for opioids.
Most prescribed
- Losartan Potassium393 claims
- Amlodipine Besylate325 claims
- Furosemide313 claims
- Calcitriol310 claims
- Carvedilol295 claims
- Oxycodone Hcl260 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.
Industry payments in 2024: $291.36
8 payments; by number, the most common kind was food and beverage; the largest payer was Baxter Healthcare. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Crm Physicians LLCHillsboro, OR
- Oregon Kidney And Hypertension Clinic LLCPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Geoffrey Xiao among 699 medical physician assistant records in Oregon
Geoffrey Xiao, PA-C is one of 699 medical physician assistant records with a practice address in Oregon. 81% 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, 30% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2016 · median 2014 among the 508 with a school on file
- Record last updated2019 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in Oregon
There are 699 medical physician assistant records in Oregon.
All 699 in Oregon → Every provider in Tigard → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Sheri Cameron, PA-CTigard, OR 972241972610822
- Valerie Nipper, PA-CTigard, OR 972241508973330
- Erin Van Dyke, PA-CTigard, OR 972241679805766
- Vesna Ader, PA-CPortland, OR 972251467528398
- Hanna Allwein, PA-CTigard, OR 972231073963013
- Deena Biglen, PACPortland, OR 972251619993185
- Patrick Birbeck, PACPortland, OR 972251851397400
- Amy Caine, PA-CPortland, OR 972251558307678
Common questions
What is Geoffrey Xiao, PA-C's NPI number?
Geoffrey Xiao, PA-C's National Provider Identifier (NPI) is 1790132017, issued on May 17, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Geoffrey Xiao, PA-C located?
The NPPES record lists a practice address at 15895 SW 72ND Ave Ste 250, Tigard, OR, 97224. Phone: (503) 624-5630. Providers update this record themselves, so call before visiting.
How can I verify Geoffrey Xiao, PA-C's license?
NPPES lists Oregon license number PA178428, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Geoffrey Xiao, PA-C prescribe under Medicare Part D?
In 2024, Geoffrey Xiao, PA-C had 6,710 Medicare Part D claims for 901 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.