DANIEL MEJIA
NPI 1164563490
Counselor - Mental Health in Tustin, CA
About Daniel Mejia NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DANIEL MEJIA (NPI 1164563490) is an individual mental health provider in Tustin, California and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS.
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 (PECOS)
Daniel Mejia is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Daniel Mejia reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Anaheim, CA 92807
- 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.
TUSTIN, CA 92780
TUSTIN, CA 92780
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 Daniel Mejia's NPI number?
The NPI number for Daniel Mejia is 1164563490. It was assigned to this individual provider in the NPPES registry on February 9, 2007.
Where is Daniel Mejia located?
Daniel Mejia practices at 18302 Irvine Blvd Suite 300, Tustin, CA 92780. The listed phone number is (714) 617-2853.
What is Daniel Mejia's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Daniel Mejia enrolled in Medicare?
Yes. Daniel Mejia is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Daniel Mejia's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Mejia reassigns Medicare benefits to Southern California Permanente Medical Group (Anaheim, 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 Daniel Mejia'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 Daniel Mejia was last updated on November 30, 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.
# Daniel Mejia · NPI 1164563490
Mental Health provider in Tustin, California. Individual provider, active in the CMS NPPES registry since February 9, 2007.
## Identity
- **NPI:** 1164563490 (Entity type: Individual)
- **Enumerated:** February 9, 2007
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **Sole proprietor:** No
## Practice location
- **Address:** 18302 IRVINE BLVD, SUITE 300, Tustin, CA 92780-3435
- **Phone:** (714) 617-2853
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Southern California Permanente Medical Group (NPI 1952333460, Anaheim, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 30, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1164563490) · Data from the CMS NPPES public registry.