ZOCALO MEDICAL GROUP CA
NPI 1881330918
Clinic/Center - Primary Care in Santa Ana, CA
About Zocalo Medical Group Ca NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ZOCALO MEDICAL GROUP CA (NPI 1881330918) is a healthcare organization registered as a primary care in Santa Ana, California and active in the NPI registry since May 2022. The organization lists Mariza Hardin, Administrator, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 5
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Zocalo Medical Group Ca is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
5Medicare enrollment records show 5 clinicians reassign Medicare billing to Zocalo Medical Group Ca, which bills Medicare for the services they deliver. They are listed nearest first.
Clinicians, nearest first (5)
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 Zocalo Medical Group Ca's NPI number?
The NPI number for Zocalo Medical Group Ca is 1881330918. It was assigned to this organization in the NPPES registry on May 11, 2022.
Where is Zocalo Medical Group Ca located?
Zocalo Medical Group Ca is located at 214 E Walnut St, Santa Ana, CA 92701. The listed phone number is (213) 855-3465.
What is Zocalo Medical Group Ca's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.
Is Zocalo Medical Group Ca enrolled in Medicare?
Yes. Zocalo Medical Group Ca is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Zocalo Medical Group Ca?
According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians reassign their Medicare billing to Zocalo Medical Group Ca, in Clinical Social Worker, Family Practice, Marriage and Family Therapist and Nurse Practitioner. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Zocalo Medical Group Ca was last updated on March 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Zocalo Medical Group Ca · NPI 1881330918
Primary Care organization in Santa Ana, California. Organization record, active in the CMS NPPES registry since May 11, 2022.
## Identity
- **NPI:** 1881330918 (Entity type: Organization)
- **Enumerated:** May 11, 2022
- **Primary specialty:** Clinic/Center - Primary Care · taxonomy 261QP2300X
- **Also known as:** Zocalo Medical Group CA (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Mariza Hardin, ADMINISTRATOR
## Practice location
- **Address:** 214 E WALNUT ST, Santa Ana, CA 92701-5896
- **Phone:** (213) 855-3465 · **Fax:** (833) 871-4204
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 5 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (2), Clinical Social Worker (1), Family Practice (1) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 31, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1881330918) · Data from the CMS NPPES public registry.