JOANNA KOPACZ, MD INC.
NPI 1851753701
Internal Medicine - Infectious Disease in Laguna Hills, CA
About Joanna Kopacz, Md Inc. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOANNA KOPACZ, MD INC. (NPI 1851753701) is a healthcare organization registered as an infectious disease in Laguna Hills, California and active in the NPI registry since March 2016. The organization lists Joanna Kopacz, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 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)
Joanna Kopacz, Md Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Joanna Kopacz, MD Inc., which bills Medicare for the services this clinician delivers.
Clinician (1)
Laguna Hills, CA 92653
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 Joanna Kopacz, MD Inc.'s NPI number?
The NPI number for Joanna Kopacz, MD Inc. is 1851753701. It was assigned to this organization in the NPPES registry on March 21, 2016.
Where is Joanna Kopacz, MD Inc. located?
Joanna Kopacz, MD Inc. is located at 24411 Health Center Dr Ste 560, Laguna Hills, CA 92653. The listed phone number is (949) 218-7251.
What is Joanna Kopacz, MD Inc.'s specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Joanna Kopacz, MD Inc. enrolled in Medicare?
Yes. Joanna Kopacz, MD Inc. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Joanna Kopacz, MD Inc.?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Infectious Disease) reassigns their Medicare billing to Joanna Kopacz, MD Inc.. 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 Joanna Kopacz, MD Inc. was last updated on February 2, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Joanna Kopacz, Md Inc. · NPI 1851753701
Infectious Disease organization in Laguna Hills, California. Organization record, active in the CMS NPPES registry since March 21, 2016.
## Identity
- **NPI:** 1851753701 (Entity type: Organization)
- **Enumerated:** March 21, 2016
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **Organization subpart:** No
- **Authorized official:** Joanna Kopacz, PRESIDENT
## Practice location
- **Address:** 24411 HEALTH CENTER DR STE 560, Laguna Hills, CA 92653-3687
- **Phone:** (949) 218-7251
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Infectious Disease) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 2, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1851753701) · Data from the CMS NPPES public registry.