Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Esther Sung, MSN, FNP-C

Individual provider Family Nurse Practitioner · NPI 1740708866

Esther Sung, MSN, FNP-C is a Nurse Practitioner in Buena Park, California. Qualified in 2016, 10 years ago. Practices with Cajon Medical Group PC, an 18-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
10
Licensed in
CA
In the registry since
2017
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

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Practice location Address checks out

8850 Valley View St
Buena Park, CA 90620-3562
Phone: (714) 827-7321
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 95006407 (CA)

Record details

NPI number1740708866
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , FNP-C
Sole proprietorNo
NPI enumeratedSeptember 8, 2017
Last updated in NPPESSeptember 8, 2017

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Cajon Medical Group Pc — 18 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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