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

PATRICIA RAE CASTILLO M.D.
NPI 1093014557
Pediatrics in Los Angeles, CA

Active since March 23, 2011PECOS Enrolled
4650 W SUNSET BLVD # 68, LOS ANGELES, CA 90027(323) 660-2500(323) 361-7926 Get Directions Write a Review

NPPES record last updated: March 23, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Patricia Rae Castillo M.d. NPPES

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

PATRICIA RAE CASTILLO M.D. (NPI 1093014557) is an individual pediatrics provider in Los Angeles, California, licensed in California (A115737) and active in the NPI registry since March 2011. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1093014557
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NamePATRICIA RAE CASTILLOCredential: M.D.
Location Address4650 W SUNSET BLVD # 68Los Angeles, CA 90027-6062
Mailing Address4650 W Sunset Blvd # 68Los Angeles, CA 90027-6062 · (323) 660-2500 · Fax (323) 361-7926
Phone(323) 660-2500
Fax(323) 361-7926
Sole ProprietorNo
Enumeration DateMarch 23, 2011
✔ NPI 1093014557 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A115737
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
4650 W SUNSET BLVD # 68, Los Angeles, CA 90027
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 (PECOS)

Patricia Rae Castillo M.d. 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 Billing Reassignment

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

Children's Hospital Los Angeles Medical Group, Inc.
Same address
Multi-Specialty
4650 SUNSET BLVD
Los Angeles, CA 90027
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Childrens Hospital Los Angeles Medical Group Inc
  • 1,281 clinicians in this Medicare group
NPI 1265530653 (323) 361-2337

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 90027 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
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
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.

AMY XIAO SONG LIU M.D.
Pediatrics
4650 W SUNSET BLVD # 68
LOS ANGELES, CA 90027
Los Angeles County (323) 361-2122
JACKELYN VALLADARES M.D
Pediatrics
4650 W SUNSET BLVD # 68
LOS ANGELES, CA 90027
Los Angeles County (323) 361-2122
ALISSA CALDWELL
Physical Therapist
4650 W SUNSET BLVD # 68
LOS ANGELES, CA 90027
Los Angeles County (323) 361-2226
DR. MAX SOKOLOFF MD
Pediatrics
4650 W SUNSET BLVD # 68
LOS ANGELES, CA 90027
Los Angeles County (323) 361-2122
ELENA TSEMBERIS MD
Student in an Organized Health Care Education/Training Program
4650 W SUNSET BLVD # 68
LOS ANGELES, CA 90027
Los Angeles County (323) 361-4703
KAMEELAH GATEAU
Pediatrics
4650 W SUNSET BLVD # 68
LOS ANGELES, CA 90027
Los Angeles County (323) 361-2122
TIFFANY YITING CHEN
Student in an Organized Health Care Education/Training Program
4650 W SUNSET BLVD # 68
LOS ANGELES, CA 90027
Los Angeles County (323) 361-2122
CATHERINE ANNE GANNAGE MD
Pediatrics
4650 W SUNSET BLVD # 68
LOS ANGELES, CA 90027
Los Angeles County (323) 361-2122

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 Patricia Castillo's NPI number?

The NPI number for Patricia Castillo is 1093014557. It was assigned to this individual provider in the NPPES registry on March 23, 2011.

Where is Patricia Castillo located?

Patricia Castillo practices at 4650 W Sunset Blvd # 68, Los Angeles, CA 90027. The listed phone number is (323) 660-2500.

What is Patricia Castillo's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Patricia Castillo enrolled in Medicare?

Yes. Patricia Castillo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Patricia Castillo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Patricia Castillo reassigns Medicare benefits to Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, 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 Patricia 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 Patricia Castillo was last updated on March 23, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.