1. Home
  2. Directory
  3. California
  4. Los Angeles
  5. Physician Assistant
  6. NPI Profile

MR. JONATHAN EDWARD CASILLAS
NPI 1114150927
Physician Assistant - Medical in Los Angeles, CA

Active since August 26, 2009PECOS Enrolled
55.29/100
CMS Quality Rating
3945 WHITTIER BLVD., LOS ANGELES, CA 90023(323) 223-6146(323) 223-6399 Get Directions Write a Review

NPPES record last updated: September 13, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Sep 13, 2021, Jul 8, 2021 (2 updates tracked since 2021).

About Mr. Jonathan Edward Casillas NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. JONATHAN EDWARD CASILLAS (NPI 1114150927) is an individual medical provider in Los Angeles, California, licensed in California (PA20136) and active in the NPI registry since August 2009. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1114150927
Entity TypeIndividualMale
Primary Taxonomy363AM0700X
Provider Legal NameMR. JONATHAN EDWARD CASILLAS
Location Address3945 WHITTIER BLVD.Los Angeles, CA 90023-1104
Mailing Address3345 Michelson Dr Ste 100Irvine, CA 92612-0693 · (888) 227-3312
Phone(323) 223-6146
Fax(323) 223-6399
Sole ProprietorNo
Enumeration DateAugust 26, 2009
Last NPPES UpdateSeptember 13, 20212 updates tracked since enumeration
NPPES CertifiedSeptember 13, 2021
✔ NPI 1114150927 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AM0700X
License✔ Licensed in CA · PA20136
3945 WHITTIER BLVD., Los Angeles, CA 90023
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Jonathan Edward Casillas is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

55.29/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality5.97
Promoting Interoperability100
Improvement Activities20
Cost64.86

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jonathan Casillas's NPI number?

The NPI number for Jonathan Casillas is 1114150927. It was assigned to this individual provider in the NPPES registry on August 26, 2009.

Where is Jonathan Casillas located?

Jonathan Casillas practices at 3945 Whittier Blvd., Los Angeles, CA 90023. The listed phone number is (323) 223-6146.

What is Jonathan Casillas's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Is Jonathan Casillas enrolled in Medicare?

Yes. Jonathan Casillas is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Jonathan Casillas was last updated on September 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.