Cornelia Tjandra, FNP
Family Nurse Practitioner · San Bruno, CA
Cornelia Tjandra, FNP is a family nurse practitioner with a practice address in San Bruno, California, and NPI 1841466406, issued on May 5, 2008. Check the license (California 17905, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cornelia Tjandra
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 17905 CA
R196275 MD
Self-reported in NPPES; status is on the state search - Practice location
- 3300 College Dr Bldg 19, San Bruno, CA 94066
- Phone
- (650) 738-4270
- Enumerated
- May 5, 2008
- Record last updated
- Mar 8, 2023
- Medicare enrollment
- Enrolled (PECOS I20111010000360); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 3300 College Dr Bldg 19
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emily Risk, RNRegistered Nurse1750169751
Verify Cornelia Tjandra in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 17905Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average family nurse practitioner in 2024
75 Medicare Part D claims for 20 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Fluticasone Propionate15 claims
- Omeprazole13 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
- Alameda Health SystemHayward, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cornelia Tjandra among 16,966 family nurse practitioner records in California
Cornelia Tjandra, FNP 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 2008, is newer than 13% of them.
- NPI issued2008 · 13% of these records are older, 85% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2006 · median 2019 among the 6,793 with a school on file
- Record last updated2023 · 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).
8 family nurse practitioner records list a practice address in San Bruno
They are 8 of the 1,579 NPPES records with a practice address in San Bruno, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in San Bruno → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Erleen Fernandez, MSN, FNP-BCSan Bruno, CA 940661467201624
- Ying Huang, RNSan Bruno, CA 940661891303582
- Catherine Mullin, NPSan Bruno, CA 940661952462780
- Ami Narayan, FNPSan Bruno, CA 940661962774935
- Lisa Pavese, F.N.PSan Bruno, CA 940661891857066
- Jesse TungSan Bruno, CA 940661114634185
- Angela TurriSan Bruno, CA 940661922963347
- Parwana Jalal Jalali, RN, BSCN, MA, FNPRedwood City, CA 940651568386910
Common questions
What is Cornelia Tjandra, FNP's NPI number?
Cornelia Tjandra, FNP's National Provider Identifier (NPI) is 1841466406, issued on May 5, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Cornelia Tjandra, FNP located?
The NPPES record lists a practice address at 3300 College Dr Bldg 19, San Bruno, CA, 94066. Phone: (650) 738-4270. Providers update this record themselves, so call before visiting.
How can I verify Cornelia Tjandra, FNP's license?
NPPES lists California license number 17905, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Cornelia Tjandra, FNP prescribe under Medicare Part D?
In 2024, Cornelia Tjandra, FNP had 75 Medicare Part D claims for 20 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.