Diem Phuong Dao Nguyen
Nurse Practitioner · San Jose, CA
Diem Phuong Dao Nguyen is a nurse practitioner with a practice address in San Jose, California, and NPI 1538831490, issued on Sep 29, 2021. Check the license (California 95017290, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diem Phuong Dao Nguyen
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 95017290 CA
Self-reported in NPPES; status is on the state search - Practice location
- 255 N White RD Ste 200, San Jose, CA 95127
- Phone
- (408) 503-7600
- Enumerated
- Sep 29, 2021
- Record last updated
- Sep 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 255 N White RD Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kolette Brown, MDInternal Medicine Physician1285848093
- Ritu Dabas, MDInternal Medicine Physician1700261609
- Foroozan Famoori, MDInternal Medicine Physician1518253954
- Camille GordonPhysician Assistant1083780712
- Jesse Korth, NP-CFamily Nurse Practitioner1457870586
- Vijay KotechaInternal Medicine Physician1578982815
Verify Diem Phuong Dao Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95017290Check 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
16 Medicare Part D claims for 13 beneficiaries, against an average of 1,109 among the 54,319 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.
Diem Phuong Dao Nguyen among 8,223 nurse practitioner records in California
Diem Phuong Dao Nguyen 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 2021, is newer than 71% of them.
- NPI issued2021 · 71% of these records are older, 23% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 42% of these records are
- Record last updated2021 · 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 San Jose → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Stephanie Ng, FNP-CSan Jose, CA 951271558131235
- Eric Call, NPSan Jose, CA 951281568454866
- Teresa Chang, FNPSan Jose, CA 951281447368295
- Krista Crowley, NPSan Jose, CA 951281982646105
- Daljit Kaur, NPSan Jose, CA 951261477224277
- Christl Kirchner, NPSan Jose, CA 951281275597528
- Greta Liebelt, NPSan Jose, CA 951281316989494
- Gail McKay, NPSan Jose, CA 951281437210713
Common questions
What is Diem Phuong Dao Nguyen's NPI number?
Diem Phuong Dao Nguyen's National Provider Identifier (NPI) is 1538831490, issued on Sep 29, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Diem Phuong Dao Nguyen located?
The NPPES record lists a practice address at 255 N White RD Ste 200, San Jose, CA, 95127. Phone: (408) 503-7600. Providers update this record themselves, so call before visiting.
How can I verify Diem Phuong Dao Nguyen's license?
NPPES lists California license number 95017290, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Diem Phuong Dao Nguyen prescribe under Medicare Part D?
In 2024, Diem Phuong Dao Nguyen had 16 Medicare Part D claims for 13 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.