Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Cynthia Chyn Tsui, MD

Individual provider Nephrology Physician · NPI 1942476940

Dr. Cynthia Chyn Tsui, MD is a Nephrology in Fremont, California. Qualified in 2000, 26 years ago. Accepts Medicare assignment. Licensed in California.

Years since qualifying
26
Licensed in
CA
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

39370 Mozart Ter Unit 106
Fremont, CA 94538-4618
Phone: (510) 925-2126
Fax: (510) 925-4260
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence C138840 (CA)

Record details

NPI number1942476940
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 30, 2008
Last updated in NPPESNovember 27, 2023
Certification dateSeptember 1, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNEPHROLOGY
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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