SYNERGY OBSERVATION SPECIALISTS PC
NPI 1023773587
Emergency Medicine in Simi Valley, CA
About Synergy Observation Specialists Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SYNERGY OBSERVATION SPECIALISTS PC (NPI 1023773587) is a healthcare organization registered as an emergency medicine in Simi Valley, California and active in the NPI registry since November 2021. The organization lists Anthony Cardillo, 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)
Synergy Observation Specialists Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
33Medicare enrollment records show 33 clinicians reassign Medicare billing to Synergy Observation Specialists PC, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 8 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 3
Nearest to this location (20)
See all 33Simi Valley, CA 93065
West Hills, CA 91307
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 Synergy Observation Specialists PC's NPI number?
The NPI number for Synergy Observation Specialists PC is 1023773587. It was assigned to this organization in the NPPES registry on November 1, 2021.
Where is Synergy Observation Specialists PC located?
Synergy Observation Specialists PC is located at 2975 Sycamore Dr, Simi Valley, CA 93065. The listed phone number is (805) 955-6000.
What is Synergy Observation Specialists PC's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Synergy Observation Specialists PC enrolled in Medicare?
Yes. Synergy Observation Specialists PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Synergy Observation Specialists PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 33 clinicians in 3 Medicare specialties reassign their Medicare billing to Synergy Observation Specialists PC. 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. The largest specialties are Emergency Medicine (24), Nurse Practitioner (8) and Internal Medicine (1). Of these, 4 practice at this address and 8 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Synergy Observation Specialists PC was last updated on July 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Synergy Observation Specialists Pc · NPI 1023773587
Emergency Medicine organization in Simi Valley, California. Organization record, active in the CMS NPPES registry since November 1, 2021.
## Identity
- **NPI:** 1023773587 (Entity type: Organization)
- **Enumerated:** November 1, 2021
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **Organization subpart:** No
- **Authorized official:** Anthony Cardillo, PRESIDENT
## Practice location
- **Address:** 2975 SYCAMORE DR, Simi Valley, CA 93065-1201
- **Phone:** (805) 955-6000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 33 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Emergency Medicine (24), Nurse Practitioner (8), Internal Medicine (1); 4 practice at this address and 8 within 10 miles; [full list](https://npiprofile.com/npi/1023773587/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 14, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1023773587) · Data from the CMS NPPES public registry.