MRS. JULIA-ALEJANDRA HEREDIA LCSW
NPI 1871746958
Counselor - Addiction (Substance Use Disorder) in Downey, CA
About Mrs. Julia-alejandra Heredia Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. JULIA-ALEJANDRA HEREDIA LCSW (NPI 1871746958) is an individual addiction (substance use disorder) provider in Downey, California, licensed in California (64986) and active in the NPI registry since November 2008. She is enrolled in Medicare PECOS and is a graduate of Other (2007).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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
Mrs. Julia-alejandra Heredia Lcsw 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 Julia-alejandra Heredia reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bellflower, CA 90706
- 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.
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 Julia-alejandra Heredia's NPI number?
The NPI number for Julia-alejandra Heredia is 1871746958. It was assigned to this individual provider in the NPPES registry on November 3, 2008. The provider is also known as Julia A. Diaz.
Where is Julia-alejandra Heredia located?
Julia-alejandra Heredia practices at 9449 Imperial Hwy Ste 201, Downey, CA 90242. The listed phone number is (800) 823-4040.
What is Julia-alejandra Heredia's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.
Is Julia-alejandra Heredia enrolled in Medicare?
Yes. Julia-alejandra Heredia 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 Julia-alejandra Heredia's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Julia-alejandra Heredia reassigns Medicare benefits to Southern California Permanente Medical Group (Bellflower, 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 Julia-alejandra Heredia'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 Julia-alejandra Heredia was last updated on December 10, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.
# Mrs. Julia-Alejandra Heredia, LCSW · NPI 1871746958
Addiction (Substance Use Disorder) provider in Downey, California. Individual provider, active in the CMS NPPES registry since November 3, 2008.
## Identity
- **NPI:** 1871746958 (Entity type: Individual)
- **Enumerated:** November 3, 2008
- **Primary specialty:** Counselor - Addiction (Substance Use Disorder) · taxonomy 101YA0400X
- **State license:** 64986 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 9449 IMPERIAL HWY STE 201, Downey, CA 90242-2814
- **Phone:** (800) 823-4040
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Southern California Permanente Medical Group (NPI 1043242555, Bellflower, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** December 10, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1871746958) · Data from the CMS NPPES public registry.