DR. GENA NICOLE WILLIAMS MD
NPI 1669094355
Psychiatry & Neurology - Child & Adolescent Psychiatry in Los Angeles, CA
About Dr. Gena Nicole Williams Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GENA NICOLE WILLIAMS MD (NPI 1669094355) is an individual child & adolescent psychiatry provider in Los Angeles, California, licensed in California (A201523) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Gena Nicole Williams Md 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.
Medicare Billing Reassignment
Medicare enrollment records show Gena Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
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.
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
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 Gena Williams's NPI number?
The NPI number for Gena Williams is 1669094355. It was assigned to this individual provider in the NPPES registry on May 15, 2020.
Where is Gena Williams located?
Gena Williams practices at 4700 W Sunset Blvd, Los Angeles, CA 90027. The listed phone number is (323) 783-2600.
What is Gena Williams's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.
Is Gena Williams enrolled in Medicare?
Yes. Gena Williams 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 Gena Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gena Williams reassigns Medicare benefits to Southern California Permanente Medical Group (Los Angeles, 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 Gena Williams'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 Gena Williams was last updated on March 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Dr. Gena Nicole Williams, MD · NPI 1669094355
Child & Adolescent Psychiatry physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since May 15, 2020.
## Identity
- **NPI:** 1669094355 (Entity type: Individual)
- **Enumerated:** May 15, 2020
- **Primary specialty:** Psychiatry & Neurology - Child & Adolescent Psychiatry · taxonomy 2084P0804X
- **State license:** A201523 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4700 W SUNSET BLVD, Los Angeles, CA 90027-6070
- **Phone:** (323) 783-2600
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Southern California Permanente Medical Group (NPI 1134151657, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** March 4, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1669094355) · Data from the CMS NPPES public registry.