Gui Wen Xu, N.P.
Nurse Practitioner · Pasadena, CA
Gui Wen Xu, N.P. is a nurse practitioner with a practice address in Pasadena, California, and NPI 1851525281, issued on May 13, 2009. Check the license (California NP 14243, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gui Wen Xu
- Credential
- N.P.
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- NP 14243 CA
547299 CA
Self-reported in NPPES; status is on the state search - Practice location
- 625 S Fair Oaks Ave, Pasadena, CA 91105
- Phone
- (626) 683-9000
- Enumerated
- May 13, 2009
- Record last updated
- Nov 27, 2023
- Fax
- (626) 568-1224
- Medicare enrollment
- Enrolled (PECOS I20111101000344); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 625 S Fair Oaks Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Candida BahnmaierTechnician/Technologist1841080132
- Kim Bui, M.D.Obstetrics & Gynecology Physician1164871133
- Heather Butler, MDDermatology Physician1417927419
- Jennie Chang, M.D.Obstetrics & Gynecology Physician1982668422
- Norman Chien, MDGeriatric Medicine (Internal Medicine) Physician1184696999
- Jennifer Chronis, M.D.Family Medicine Physician1598297954
Verify Gui Wen Xu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license NP 14243Check 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 nurse practitioner in 2024
14 Medicare Part D claims for 11 beneficiaries, against an average of 1,109 among the 54,319 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.
Industry payments in 2024: $787.00
8 payments; by number, the most common kind was food and beverage; the largest payer was Atricure, Inc. The 38,884 providers of this specialty with any payment received $791.64 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 one group practice
- Usc Care Medical Group IncArcadia, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gui Wen Xu among 8,223 nurse practitioner records in California
Gui Wen Xu, N.P. is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 30% of them.
- NPI issued2009 · 30% of these records are older, 68% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated2003 · median 2017 among the 3,425 with a school on file
- Record last updated2023 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nurse Practitioner providers in California
There are 8,223 nurse practitioner records in California.
All 8,223 in California → Every provider in Pasadena → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Ann-Margaret Asher, CNPPasadena, CA 911051447375712
- Polly Rose Bacod, NPPasadena, CA 911051568050367
- Trina Haymond, N.P.Pasadena, CA 911051063449718
- Michelle Hubert, N.P.Pasadena, CA 911051942483250
- Marina Jick, NPPasadena, CA 911051689303158
- Jennifer Kahau-Segovia, FNPPasadena, CA 911051629608906
- Leonard LarinoPasadena, CA 911051588237580
- Margaret Lester, RNPPasadena, CA 911051043380595
Common questions
What is Gui Wen Xu, N.P.'s NPI number?
Gui Wen Xu, N.P.'s National Provider Identifier (NPI) is 1851525281, issued on May 13, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Gui Wen Xu, N.P. located?
The NPPES record lists a practice address at 625 S Fair Oaks Ave, Pasadena, CA, 91105. Phone: (626) 683-9000. Providers update this record themselves, so call before visiting.
How can I verify Gui Wen Xu, N.P.'s license?
NPPES lists California license number NP 14243, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Gui Wen Xu, N.P. prescribe under Medicare Part D?
In 2024, Gui Wen Xu, N.P. had 14 Medicare Part D claims for 11 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.