NPPES file of Aug 9, 2026

Mariel Ross

Clinical Social Worker · Arleta, CA

Mariel Ross is a clinical social worker with a practice address in Arleta, California, and NPI 1417404450, issued on Sep 7, 2016. Check the license (California 119328, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1417404450
Name
Mariel Ross
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
119328 CA
Self-reported in NPPES; status is on the state search
Practice location
13507 Chase St, Arleta, CA 91331
Phone
(818) 941-6206
Enumerated
Sep 7, 2016
Record last updated
Nov 18, 2024
Medicare enrollment
Enrolled (PECOS I20240109002828); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Mariel Ross in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 119328
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupSylmar, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mariel Ross among 36,261 clinical social worker records in California

Mariel Ross is one of 36,261 clinical social worker records with a practice address in California. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 53% of them.

  • NPI issued2016 · 53% of these records are older, 42% newer
  • In a Medicare fileYes · 6% of these records are
  • In the CMS Doctors and Clinicians fileYes · 11% of these records are
  • Graduated2017 · median 2012 among the 4,008 with a school on file
  • Record last updated2024 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

5 clinical social worker records list a practice address in Arleta

They are 5 of the 119 NPPES records with a practice address in Arleta, and 36,261 clinical social worker records in California.

The 8 clinical social worker records with the nearest ZIP codes

  1. Brenda DelacruzPacoima, CA 913311174707335
  2. Jacqueline GarciaPacoima, CA 913311568794550
  3. Graciela Gonzalez, LCSWPacoima, CA 913311316139611
  4. Hilary GordonPacoima, CA 913311447569397
  5. Jessica Held, LCSWPacoima, CA 913311306866884
  6. Jose Hernandez, ASWArleta, CA 913311235348012
  7. Timothy LinPacoima, CA 913311619256146
  8. Reema MaaloufPacoima, CA 913311245427319

Common questions

What is Mariel Ross's NPI number?

Mariel Ross's National Provider Identifier (NPI) is 1417404450, issued on Sep 7, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Mariel Ross located?

The NPPES record lists a practice address at 13507 Chase St, Arleta, CA, 91331. Phone: (818) 941-6206. Providers update this record themselves, so call before visiting.

How can I verify Mariel Ross's license?

NPPES lists California license number 119328, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.