NPI Portal NPI Lookup & Verification

Physician Assistant in Ontario, CA

46 active Physician Assistant providers practice in Ontario, California according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.

Physician Assistant providers in Ontario, CA
NPI Name Type Specialty Location
1366225906 Audrey Wagdy Individual Medical Physician Assistant Ontario, CA
1942601018 Brett Heslop Individual Medical Physician Assistant Ontario, CA
1376913806 Brian Shaghafi Individual Physician Assistant Ontario, CA
1255500724 Britney Kaufman Individual Physician Assistant Ontario, CA
1124528062 Brittany Wanzek Individual Physician Assistant Ontario, CA
1205087699 Carly Erard Individual Physician Assistant Ontario, CA
1891303293 Carol Kwak Individual Physician Assistant Ontario, CA
1023227220 Catlin Nguyen Individual Physician Assistant Ontario, CA
1801054820 Charmaine Collins-Cepeda Individual Physician Assistant Ontario, CA
1114735511 Cristina Velasquez Individual Medical Physician Assistant Ontario, CA
1740372366 Debra Blanco Individual Physician Assistant Ontario, CA
1306074802 Emmanuel Sawaya Individual Physician Assistant Ontario, CA
1871712034 Ephraim Sanmiguel Individual Physician Assistant Ontario, CA
1487882015 Erin Pascale Individual Physician Assistant Ontario, CA
1659829513 Gregory Musselman Individual Medical Physician Assistant Ontario, CA
1811471949 Hanna Choi Individual Physician Assistant Ontario, CA
1104367846 Heather Wong Individual Physician Assistant Ontario, CA
1770469629 Jacob Calvin Marcelo Individual Physician Assistant Ontario, CA
1386590974 Jamie Phung Individual Physician Assistant Ontario, CA
1588907802 Jennifer Yim Individual Medical Physician Assistant Ontario, CA
1659738920 Jesus Perea Ochoa Individual Physician Assistant Ontario, CA
1497445183 Jordyn Kerner Individual Physician Assistant Ontario, CA
1811765944 Katherine Beltre Espinosa Individual Physician Assistant Ontario, CA
1497159818 Kevin Bell Individual Physician Assistant Ontario, CA
1023211612 Lan Lam Individual Physician Assistant Ontario, CA
1497286082 Lauren Bolda Individual Physician Assistant Ontario, CA
1902816085 Leon Santa Cruz Individual Physician Assistant Ontario, CA
1306175021 Lilian Chou Individual Medical Physician Assistant Ontario, CA
1255613451 Linden Batiste Individual Physician Assistant Ontario, CA
1134144876 Marcus Harris Individual Physician Assistant Ontario, CA
1083176077 Nicholas Pena Individual Physician Assistant Ontario, CA
1003081415 Rafael Larios Individual Physician Assistant Ontario, CA
1801127170 Rafael Romero Individual Medical Physician Assistant Ontario, CA
1821832551 Robert Pedroza Individual Physician Assistant Ontario, CA
1215119250 Ronald Pratt Individual Physician Assistant Ontario, CA
1073881793 Russell Mobley Individual Physician Assistant Ontario, CA
1396049755 Sean Fallon Individual Physician Assistant Ontario, CA
1003357955 Sepideh Homayoni Individual Physician Assistant Ontario, CA
1801830963 Shawn Chowdhury Individual Physician Assistant Ontario, CA
1093024994 Stephen Styadi Individual Medical Physician Assistant Ontario, CA
1730845280 Tahnee Lilly Individual Physician Assistant Ontario, CA
1174342406 Teresa Vu Individual Physician Assistant Ontario, CA
1821773045 The Dermbar A Physician Assistant Co Organization Physician Assistant Ontario, CA
1063031219 Wei Chen-Wu Individual Physician Assistant Ontario, CA
1205171659 Wills Ngamfon Individual Surgical Physician Assistant Ontario, CA
1528959913 Zahra Akberzie Individual Physician Assistant Ontario, CA

Frequently asked questions

How many Physician Assistant providers are in Ontario, CA?
The latest NPPES snapshot lists 46 active Physician Assistant providers with a practice address in Ontario, California.
How do I check a Physician Assistant provider's NPI in Ontario?
Open a profile below to see the NPI number, taxonomy code, and practice address, then verify against the official NPPES registry — every profile links directly to the CMS record.

Source: CMS NPPES (public data). Snapshot 2026-07-10.