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

Dr. Geoffrey Yuk Fung Tsoi, DO

Individual provider Family Medicine Physician · NPI 1497100606

Dr. Geoffrey Yuk Fung Tsoi, DO is a Family Practice in Lancaster, California. Qualified in 2016, 10 years ago. Practices with Cedars-Sinai Medical Care Foundation, a 1,696-clinician group, works from 4 locations, accepts Medicare assignment and offers telehealth. Licensed in California and New York.

Years since qualifying
10
Licensed in
CA, NY
In the registry since
2016
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

43322 Gingham Ave
Lancaster, CA 93535-4576
Phone: (661) 874-4050
Show map & directions

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

Additional practice locations (3)

  • 415 N Crescent Dr Ste 320, Beverly Hills, CA 90210-6813 — (888) 803-3370
  • 333 1st St Ste A, San Francisco, CA 94105-2661 — (888) 803-3370
  • 156 William St Rm 303, New York, NY 10038-5307 — (888) 803-3370

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 20A17304 (CA)
Family Medicine Physician Taxonomy 207Q00000X · Licence 341148 (NY)

Record details

NPI number1497100606
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 26, 2016
Last updated in NPPESMarch 19, 2026
Certification dateMarch 19, 2026

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Cedars-Sinai Medical Care Foundation — 1696 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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