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OSCAR MERCADO
NPI 1245196591
Physician Assistant in Apple Valley, CA

Active since December 30, 2025
18002 WIKA RD, APPLE VALLEY, CA 92307(760) 946-9600 Get Directions Write a Review

NPPES record last updated: April 25, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 25, 2026, Dec 30, 2025 (2 updates tracked since 2025).

About Oscar Mercado NPPES

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

OSCAR MERCADO (NPI 1245196591) is an individual physician assistant in Apple Valley, California and active in the NPI registry since December 2025. He maintains 2 additional practice locations.

NPPES Registry Identity

NPI1245196591
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameOSCAR MERCADO
Location Address18002 WIKA RDApple Valley, CA 92307-2125
Mailing Address18002 Wika Rd.Apple Valley, CA 92307 · (760) 946-9600
Phone(760) 946-9600
Sole ProprietorNo
Enumeration DateDecember 30, 2025
Last NPPES UpdateApril 25, 20262 updates tracked since enumeration
NPPES CertifiedApril 25, 2026
✔ NPI 1245196591 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
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.
18002 WIKA RD, Apple Valley, CA 92307
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Secondary Practice Locations 2

Location 110565 Civic Center DrRancho Cucamonga, CA 91730-3853 · Phone (909) 527-3585
Location 214114 Business Center DrMoreno Valley, CA 92553-9107 · Phone (951) 697-5777

Other Providers at the Same Location NPPES 6

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

KIDS 1ST PEDIATRICS, INC.
Pediatrics
18002 WIKA RD
APPLE VALLEY, CA 92307
San Bernardino County (760) 946-2243
BRIDGETT AMIS FNP-C
Nurse Practitioner (Family)
18002 WIKA RD
APPLE VALLEY, CA 92307
San Bernardino County (760) 946-9600
MR. NAMJIN AUSTIN KIM DC
Chiropractor
18002 WIKA RD, # A
APPLE VALLEY, CA 92307
San Bernardino County (760) 242-4579
A. KIM CHIROPRACTIC CORP.
Chiropractor
18002 WIKA RD, # A
APPLE VALLEY, CA 92307
San Bernardino County (760) 242-4579
MRS. ERICA LAUREN IKE D.O
Pediatrics
18002 WIKA RD
APPLE VALLEY, CA 92307
San Bernardino County (760) 946-9600
CENTER FOR SURGICAL EXCELLENCE INC
Clinic/Center (Ambulatory Surgical)
18002 WIKA RD
APPLE VALLEY, CA 92307
San Bernardino County (760) 946-2243

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 Oscar Mercado's NPI number?

The NPI number for Oscar Mercado is 1245196591. It was assigned to this individual provider in the NPPES registry on December 30, 2025.

Where is Oscar Mercado located?

Oscar Mercado practices at 18002 Wika Rd, Apple Valley, CA 92307. The listed phone number is (760) 946-9600.

What is Oscar Mercado's specialty?

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

When was this NPI record last updated?

The NPPES record for Oscar Mercado was last updated on April 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.