1. Home
  2. Directory
  3. California
  4. Irvine
  5. Dermatology
  6. NPI Profile

DR. JASON ROBERT CASTILLO M.D.
NPI 1497098644
Dermatology - MOHS-Micrographic Surgery in Irvine, CA

Active since April 05, 2013PECOS EnrolledAccepts Medicare Assignment

NPPES record last updated: December 3, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 3, 2021, Aug 3, 2021, Aug 9, 2018 and 1 more (4 updates tracked since 2017).

About Dr. Jason Robert Castillo M.d. NPPES

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

DR. JASON ROBERT CASTILLO M.D. (NPI 1497098644) is an individual mohs-micrographic surgery provider in Irvine, California, licensed in California (A133196) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (2013).

NPPES Registry Identity

NPI1497098644
Entity TypeIndividualMale
Primary Taxonomy207ND0101X
Provider Legal NameDR. JASON ROBERT CASTILLOCredential: M.D.
Location Address6 WILLARDIrvine, CA 92604-4694
Mailing Address6 WillardIrvine, CA 92604-4694
Phone(949) 262-5780
Sole ProprietorNo
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 2013
Enumeration DateApril 5, 2013
Last NPPES UpdateDecember 3, 20214 updates tracked since enumeration
NPPES CertifiedAugust 3, 2021
✔ NPI 1497098644 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyDermatology · MOHS-Micrographic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207ND0101X
License✔ Licensed in CA · A133196
Definition
The highly-trained surgeons that perform Mohs Micrographic Surgery are specialists both in dermatology and pathology. With their extensive knowledge of the skin and unique pathological skills, they are able to remove only diseased tissue, preserving healthy tissue and minimizing the cosmetic impact of the surgery. Mohs surgeons who belong to the American College of Mohs Surgery (ACMS) have completed a minimum of one year of fellowship training at one of the ACMS-approved training centers in the U.S.
Also ListedDermatologyTaxonomy 207N00000X · License 61767 (MN), A133196 (CA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
6 WILLARD, Irvine, CA 92604
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Jason Robert Castillo M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4587941133
PECOS Enrollment IDI20190304001644
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 Billing Reassignment

Medicare enrollment records show Jason Castillo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
12 mi
Health Maintenance Organization
441 N LAKEVIEW AVE
Anaheim, CA 92807
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1396287082 (California)
  • 13,921 clinicians in this Medicare group
NPI 1952333460 (714) 279-4000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92604 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MARIT KAY KREIDEL MD
Dermatology
6 WILLARD, DEPT OF DERMATOLOGY
IRVINE, CA 92604
Orange County (949) 262-5780
DR. JUN HO CHAE M.D.
Family Medicine
6 WILLARD, KAISER PERMANENTE BARRANCA MEDICAL OFFICE
IRVINE, CA 92604
Orange County (949) 262-5755
HYE JEE YI MD
Internal Medicine
6 WILLARD
IRVINE, CA 92604
Orange County (833) 574-2273
LAUREN IVEY YOROZUYA MD
Dermatology
6 WILLARD
IRVINE, CA 92604
Orange County (833) 574-2273
KAREN BUI
Pharmacist
6 WILLARD
IRVINE, CA 92604
Orange County (949) 262-5678
ALEX CHIEN LU MD
Internal Medicine
6 WILLARD
IRVINE, CA 92604
Orange County (949) 262-5000
ANN NGUYEN
Pharmacist
6 WILLARD
IRVINE, CA 92604
Orange County (949) 262-5678
ANNIE CHAU
Pharmacist
6 WILLARD
IRVINE, CA 92604
Orange County (949) 262-5678

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 Jason Castillo's NPI number?

The NPI number for Jason Castillo is 1497098644. It was assigned to this individual provider in the NPPES registry on April 5, 2013.

Where is Jason Castillo located?

Jason Castillo practices at 6 Willard, Irvine, CA 92604. The listed phone number is (949) 262-5780.

What is Jason Castillo's specialty?

The primary specialty registered for this NPI is Dermatology, specializing in MOHS-Micrographic Surgery, with taxonomy code 207ND0101X.

Is Jason Castillo enrolled in Medicare?

Yes. Jason Castillo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Jason Castillo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jason Castillo reassigns Medicare benefits to Southern California Permanente Medical Group (Anaheim, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jason Castillo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Jason Castillo was last updated on December 3, 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.