What is Mariel Ross's NPI number?

Mariel Ross's National Provider Identifier (NPI) is 1417404450, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mariel Ross's specialty?

Mariel Ross is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).

Where is Mariel Ross located?

Mariel Ross's practice location on file with NPPES is 13507 Chase St, Arleta, CA 91331-5724.

What is Mariel Ross's phone number?

The practice phone number listed in the NPPES registry for Mariel Ross is (818) 941-6206.

Does Mariel Ross accept Medicare?

Mariel Ross is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Mariel Ross's NPI active?

Yes — Mariel Ross's NPI (1417404450) is active in the NPPES registry as of the last update on 2024-11-18.

IndividualActiveAccepts Medicare

Mariel Ross

NPI 1417404450 · Clinical Social Worker · Arleta, CA

Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Mariel Ross is a Clinical Social Worker provider in Arleta, CA (NPI 1417404450).

Provider details

NPI number: 1417404450
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense 119328 (CA)
Behavioral Health & Social Service Providers
Case Manager/Care Coordinator171M00000X
Other Service Providers
Student in an Organized Health Care Education/Training Program390200000X
Student, Health Care
Social Worker104100000X
Behavioral Health & Social Service Providers

Profile Score

Established profile(74/100 index)

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

Registry tenure38% of score
9 yrs in NPPES registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
4 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

13507 Chase St

Arleta, CA 91331-5724

Phone: (818) 941-6206

Street-level locationGet directions

More CA providers

Mailing address

13507 Chase St

Arleta, CA 91331-5724

Additional practice locations (3)

17707 Studebaker Rd
Cerritos, CA 90703-2640
Phone: (562) 402-0688
1540 E Colorado St
Glendale, CA 91205-1514
Phone: (818) 244-7257
Fax: (818) 243-5431
14659 Olive View Dr
Sylmar, CA 91342-1652
Phone: (818) 485-0888

Enumerated: 2016-09-07
Last updated: 2024-11-18
Certified: 2024-11-18

Frequently asked questions

What is Mariel Ross's NPI number?: Mariel Ross's National Provider Identifier (NPI) is 1417404450, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Mariel Ross's specialty?: Mariel Ross is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
Where is Mariel Ross located?: Mariel Ross's practice location on file with NPPES is 13507 Chase St, Arleta, CA 91331-5724.
What is Mariel Ross's phone number?: The practice phone number listed in the NPPES registry for Mariel Ross is (818) 941-6206.
Does Mariel Ross accept Medicare?: Mariel Ross is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Mariel Ross's NPI active?: Yes — Mariel Ross's NPI (1417404450) is active in the NPPES registry as of the last update on 2024-11-18.

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