Trang Thien Kay, NP
Family Nurse Practitioner · San Diego, CA
Trang Thien Kay, NP is a family nurse practitioner with a practice address in San Diego, California, and NPI 1750419552, issued on Mar 1, 2007. Check the license (California 556603, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Trang Thien Kay
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 556603 CA
874503 TX
Self-reported in NPPES; status is on the state search - Practice location
- 5855 Copley Dr Ste 250, San Diego, CA 92111
- Phone
- (800) 377-2255
- Enumerated
- Mar 1, 2007
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (858) 560-9300
- Medicare enrollment
- Enrolled (PECOS I20060124001007); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Verify Trang Thien Kay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 556603Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average family nurse practitioner in 2024
150 Medicare Part D claims for 135 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Cefadroxil38 claims
- Amoxicillin17 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Trang Thien Kay among 16,966 family nurse practitioner records in California
Trang Thien Kay, NP is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 7% of them.
- NPI issued2007 · 7% of these records are older, 87% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2003 · median 2019 among the 6,793 with a school on file
- Record last updated2018 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
799 family nurse practitioner records list a practice address in San Diego
They are 799 of the 52,937 NPPES records with a practice address in San Diego, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in San Diego → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Deborah Beccarelli, FNPSan Diego, CA 921111215278536
- Semise Daley, NPSan Diego, CA 921111770819104
- Thu Ha, NPSan Diego, CA 921111346443983
- Traci Hite, NPSan Diego, CA 921111790012532
- Samson Ilori, DNP, FNP-BC, NP-CSan Diego, CA 921111770921652
- Kevin Maxwell, FNPSan Diego, CA 921111821384371
- Michelle McCurdy, FNPSan Diego, CA 921111598931503
- Janice Olson, NP FAMILYSan Diego, CA 921111104807619
Common questions
What is Trang Thien Kay, NP's NPI number?
Trang Thien Kay, NP's National Provider Identifier (NPI) is 1750419552, issued on Mar 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Trang Thien Kay, NP located?
The NPPES record lists a practice address at 5855 Copley Dr Ste 250, San Diego, CA, 92111. Phone: (800) 377-2255. Providers update this record themselves, so call before visiting.
How can I verify Trang Thien Kay, NP's license?
NPPES lists California license number 556603, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Trang Thien Kay, NP prescribe under Medicare Part D?
In 2024, Trang Thien Kay, NP had 150 Medicare Part D claims for 135 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.