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MS. JENNIE FARBER KOSKO MSW SOCIAL WORK INTE
NPI 1962953133
Counselor - Addiction (Substance Use Disorder) in Los Angeles, CA

Active since October 21, 2016PECOS EnrolledAccepts Medicare Assignment
6500 WILSHIRE BLVD FL 19, LOS ANGELES, CA 90048(800) 270-9256(805) 855-4771 Get Directions Write a Review

NPPES record last updated: November 7, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 7, 2025, Jul 21, 2022, Oct 21, 2016 (3 updates tracked since 2016).

About Ms. Jennie Farber Kosko Msw Social Work Inte NPPES

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

MS. JENNIE FARBER KOSKO MSW SOCIAL WORK INTE (NPI 1962953133) is an individual addiction (substance use disorder) provider in Los Angeles, California, licensed in California (RA858809) and active in the NPI registry since October 2016. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Jose, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1962953133
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameMS. JENNIE FARBER KOSKOCredential: MSW SOCIAL WORK INTE
Location Address6500 WILSHIRE BLVD FL 19Los Angeles, CA 90048-4920
Mailing Address5504 Dartmouth DrSan Jose, CA 95118-3331 · (800) 270-9256
Phone(800) 270-9256
Fax(805) 855-4771
Sole ProprietorYes
Medical School CMSOtherGraduated 2018
Enumeration DateOctober 21, 2016
Last NPPES UpdateNovember 7, 20253 updates tracked since enumeration
NPPES CertifiedNovember 7, 2025
✔ NPI 1962953133 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License✔ Licensed in CA · RA858809
Also ListedSocial WorkerTaxonomy 104100000X
6500 WILSHIRE BLVD FL 19, Los Angeles, CA 90048
Open in Google Maps ↗

Other Names 1

Former Name (1)Jennie Lee Farber

Secondary Practice Location 1

Location 11340 Tully Road, Suite 304San Jose, CA 95122 · Phone (408) 271-3900 ext. 7312

Other Identifiers 1

OtherRA858809CA · Ccapp

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Jennie Farber Kosko Msw Social Work Inte is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4981189107
PECOS Enrollment IDI20260326000287
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.

Medicare Billing Reassignment

Medicare enrollment records show Jennie Kosko reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pacific Heritage Medical Group Inc
27 mi
Geriatric Psychiatry
3625 E THOUSAND OAKS BLVD STE 232
Westlake Village, CA 91362
  • Reassigned Medicare billing, California enrollment
  • 87 clinicians in this Medicare group
NPI 1467899450 (805) 601-5199

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

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

SALMA MASOOD KHAN LCSW
Social Worker (Clinical)
6500 WILSHIRE BLVD FL 19
LOS ANGELES, CA 90048
Los Angeles County (805) 764-9651
SHANICE WILLIAMS LCSW
Social Worker (Clinical)
6500 WILSHIRE BLVD FL 19
LOS ANGELES, CA 90048
Los Angeles County (805) 764-9651
TIFFANY OLIVARES LCSW
Social Worker (Clinical)
6500 WILSHIRE BLVD FL 19
LOS ANGELES, CA 90048
Los Angeles County (805) 764-9651
OLAJUMOKE BELL PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
6500 WILSHIRE BLVD FL 19
LOS ANGELES, CA 90048
Los Angeles County (805) 764-9651
DENISE LANIER
Social Worker (Clinical)
6500 WILSHIRE BLVD FL 19
LOS ANGELES, CA 90048
Los Angeles County (805) 764-9651
RONALD LEE BAKER MSW
Social Worker (Clinical)
6500 WILSHIRE BLVD FL 19
LOS ANGELES, CA 90048
Los Angeles County (800) 270-9256
AMY BETH PENNER LCSW
Social Worker (Clinical)
6500 WILSHIRE BLVD FL 19
LOS ANGELES, CA 90048
Los Angeles County (805) 764-9651
CYNTHIA ELIDE PEREZ LCSW
Social Worker (Clinical)
6500 WILSHIRE BLVD FL 19
LOS ANGELES, CA 90048
Los Angeles County (805) 764-9651

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 Jennie Kosko's NPI number?

The NPI number for Jennie Kosko is 1962953133. It was assigned to this individual provider in the NPPES registry on October 21, 2016. The provider is also known as Jennie Lee Farber.

Where is Jennie Kosko located?

Jennie Kosko practices at 6500 Wilshire Blvd Fl 19, Los Angeles, CA 90048. The listed phone number is (800) 270-9256.

What is Jennie Kosko's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Is Jennie Kosko enrolled in Medicare?

Yes. Jennie Kosko is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Jennie Kosko's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennie Kosko reassigns Medicare benefits to Pacific Heritage Medical Group Inc (Westlake Village, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jennie Kosko's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Jennie Kosko was last updated on November 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.