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

Dr. Merrick Maynard Tsai, MD, FNP-BC, FNP-C

Individual provider Family Nurse Practitioner · NPI 1366012791

Dr. Merrick Maynard Tsai, MD, FNP-BC, FNP-C is a Family Nurse Practitioner in Highland, California. Practices as a sole proprietor. Licensed in Arizona, California, Florida and Nevada.

Licensed in
AZ, CA, FL, NV
In the registry since
2021
Specialties on file
8
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
FNP-BC — Family Nurse Practitioner, Board Certified
A family nurse practitioner certified by the ANCC.
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

See every abbreviation used in this directory →

Practice location Address checks out

28839 Lemon St
Highland, CA 92346-5386
Phone: (909) 742-9889
Fax: (909) 498-1635
Show map & directions

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

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence NP95017885 (CA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence APRN11020654 (FL)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence NP95017885 (CA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 857119 (NV)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 243315 (AZ)
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X · Licence 857119 (NV)
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X · Licence 243315 (AZ)
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X · Licence APRN11020654 (FL)

Record details

NPI number1366012791
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , FNP-BC , FNP-C
Sole proprietorYes
NPI enumeratedJune 28, 2021
Last updated in NPPESAugust 23, 2024
Certification dateAugust 23, 2024

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