1. Home
  2. Directory
  3. California
  4. Sherman Oaks
  5. Physician Assistant
  6. NPI Profile

MRS. MARIA ROSARIO CASTELLON P.A.-C
NPI 1306003272
Physician Assistant in Sherman Oaks, CA

Active since May 19, 2008PECOS Enrolled
4955 VAN NUYS BLVD STE 200, SHERMAN OAKS, CA 91403(818) 981-1555 Get Directions Write a Review

NPPES record last updated: August 1, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 1, 2024, May 10, 2021, May 11, 2016 (3 updates tracked since 2016).

About Mrs. Maria Rosario Castellon P.a.-c NPPES

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

MRS. MARIA ROSARIO CASTELLON P.A.-C (NPI 1306003272) is an individual physician assistant in Sherman Oaks, California, licensed in California (PA14427) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1306003272
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMRS. MARIA ROSARIO CASTELLONCredential: P.A.-C
Location Address4955 VAN NUYS BLVD STE 200Sherman Oaks, CA 91403-1814
Mailing Address4955 Van Nuys Blvd Ste 200Sherman Oaks, CA 91403-1814 · (818) 981-1555
Phone(818) 981-1555
Sole ProprietorNo
Enumeration DateMay 19, 2008
Last NPPES UpdateAugust 1, 20243 updates tracked since enumeration
NPPES CertifiedAugust 1, 2024
✔ NPI 1306003272 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in CA · PA14427
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
4955 VAN NUYS BLVD STE 200, Sherman Oaks, CA 91403
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)

Mrs. Maria Rosario Castellon P.a.-c 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91403 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

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

CHRISTINA YOUNAN TOSSOUN
Physician Assistant
4955 VAN NUYS BLVD STE 200
SHERMAN OAKS, CA 91403
Los Angeles County (818) 981-1555

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 Maria Castellon's NPI number?

The NPI number for Maria Castellon is 1306003272. It was assigned to this individual provider in the NPPES registry on May 19, 2008.

Where is Maria Castellon located?

Maria Castellon practices at 4955 Van Nuys Blvd Ste 200, Sherman Oaks, CA 91403. The listed phone number is (818) 981-1555.

What is Maria Castellon's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Maria Castellon enrolled in Medicare?

Yes. Maria Castellon is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Maria Castellon was last updated on August 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.