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

Mahnaz Shambayati, PA-C

Individual provider Physician Assistant · NPI 1639574395

Mahnaz Shambayati, PA-C is a Physician Assistant in Costa Mesa, California. Graduated from Texas Tech University Health Science Center School of Medicine in 2014, 12 years ago. Practices with Legacy Healthcare Services Inc, a 3,624-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
12
Trained at
Texas Tech University Health Science Center School of Medicine
Licensed in
CA
In the registry since
2014
Specialties on file
2
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

1650 Adams Ave
Costa Mesa, CA 92626-4958
Phone: (949) 270-2100
Fax: (949) 650-4458
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence PA67676 (CA)
Medical Physician Assistant Taxonomy 363AM0700X · Licence PA67676 (CA)

Record details

NPI number1639574395
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedOctober 23, 2014
Last updated in NPPESJune 22, 2026
Certification dateJune 22, 2026

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolTEXAS TECH UNIVERSITY HEALTH SCIENCE CENTER SCHOOL OF MEDICINE
Graduated 2014 (12 years in practice)
Group practice Legacy Healthcare Services Inc — 3624 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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