What is Oscar Mercado's NPI number?

Oscar Mercado's National Provider Identifier (NPI) is 1245196591, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Oscar Mercado's specialty?

Oscar Mercado is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).

Where is Oscar Mercado located?

Oscar Mercado's practice location on file with NPPES is 18002 Wika Rd, Apple Valley, CA 92307-2125.

What is Oscar Mercado's phone number?

The practice phone number listed in the NPPES registry for Oscar Mercado is (760) 946-9600.

Is Oscar Mercado's NPI active?

Yes — Oscar Mercado's NPI (1245196591) is active in the NPPES registry as of the last update on 2026-04-25.

IndividualActive

Oscar Mercado

NPI 1245196591 · Physician Assistant · Apple Valley, CA

Oscar Mercado is a Physician Assistant provider in Apple Valley, CA (NPI 1245196591).

Provider details

NPI number: 1245196591
Entity type: Individual
Primary specialty: Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Physician AssistantPrimary363A00000X
Physician Assistants & Advanced Practice Nursing Providers

Profile Score

Established profile(56/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
3 documented practice locations

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

18002 Wika Rd

Apple Valley, CA 92307-2125

Phone: (760) 946-9600

Street-level locationGet directions

More CA providers

Mailing address

18002 Wika Rd.

Apple Valley, CA 92307

Additional practice locations (2)

14114 Business Center Dr
Moreno Valley, CA 92553-9107
Phone: (951) 697-5777
10565 Civic Center Dr
Rancho Cucamonga, CA 91730-3853
Phone: (909) 527-3585

Enumerated: 2025-12-30
Last updated: 2026-04-25
Certified: 2026-04-25

Frequently asked questions

What is Oscar Mercado's NPI number?: Oscar Mercado's National Provider Identifier (NPI) is 1245196591, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Oscar Mercado's specialty?: Oscar Mercado is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
Where is Oscar Mercado located?: Oscar Mercado's practice location on file with NPPES is 18002 Wika Rd, Apple Valley, CA 92307-2125.
What is Oscar Mercado's phone number?: The practice phone number listed in the NPPES registry for Oscar Mercado is (760) 946-9600.
Is Oscar Mercado's NPI active?: Yes — Oscar Mercado's NPI (1245196591) is active in the NPPES registry as of the last update on 2026-04-25.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.