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

Steven Joseph Chacko, MD

Individual provider Internal Medicine Physician · NPI 1164171799

Steven Joseph Chacko, MD is an Internal Medicine in Fountain Valley, California. Graduated from University of Nevada School of Medicine in 2022, 4 years ago. Practices with Memorialcare Medical Foundation, a 562-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
4
Trained at
University of Nevada School of Medicine
Licensed in
CA
In the registry since
2022
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

17360 Brookhurst St
Fountain Valley, CA 92708-3720
Phone: (877) 279-5289
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A189296 (CA)

Record details

NPI number1164171799
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 21, 2022
Last updated in NPPESAugust 22, 2025
Certification dateAugust 22, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF NEVADA SCHOOL OF MEDICINE
Graduated 2022 (4 years in practice)
Group practice Memorialcare Medical Foundation — 562 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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