OMNI ANESTHESIA ASSOCIATES, INC.
NPI 1720038839
Anesthesiology in Fresno, CA
About Omni Anesthesia Associates, Inc. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OMNI ANESTHESIA ASSOCIATES, INC. (NPI 1720038839) is a healthcare organization registered as an anesthesiology in Fresno, California and active in the NPI registry since May 2006. The organization lists Karen Diaz, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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)
Omni Anesthesia Associates, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
57Medicare enrollment records show 57 clinicians reassign Medicare billing to Omni Anesthesia Associates, Inc., which bills Medicare for the services they deliver. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 2
Nearest to this location (20)
See all 57Bakersfield, CA 93301
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 Omni Anesthesia Associates, Inc.'s NPI number?
The NPI number for Omni Anesthesia Associates, Inc. is 1720038839. It was assigned to this organization in the NPPES registry on May 11, 2006.
Where is Omni Anesthesia Associates, Inc. located?
Omni Anesthesia Associates, Inc. is located at 445 S Cedar Ave 5th Floor, Fresno, CA 93702. The listed phone number is (559) 459-6000.
What is Omni Anesthesia Associates, Inc.'s specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Omni Anesthesia Associates, Inc. enrolled in Medicare?
Yes. Omni Anesthesia Associates, Inc. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Omni Anesthesia Associates, Inc.?
According to the CMS Revalidation Reassignment List (October 2026 release), 57 clinicians in 2 Medicare specialties reassign their Medicare billing to Omni Anesthesia Associates, 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. The largest specialties are Certified Registered Nurse Anesthetist (CRNA) (49) and Anesthesiology (8). Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Omni Anesthesia Associates, Inc. was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Omni Anesthesia Associates, Inc. · NPI 1720038839
Anesthesiology organization in Fresno, California. Organization record, active in the CMS NPPES registry since May 11, 2006.
## Identity
- **NPI:** 1720038839 (Entity type: Organization)
- **Enumerated:** May 11, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **Organization subpart:** No
- **Authorized official:** Karen Diaz, PRESIDENT
## Practice location
- **Address:** 445 S CEDAR AVE, 5TH FLOOR, Fresno, CA 93702-2907
- **Phone:** (559) 459-6000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 57 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Certified Registered Nurse Anesthetist (CRNA) (49), Anesthesiology (8); [full list](https://npiprofile.com/npi/1720038839/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 11, 2025
- **Other identifiers:** Medicaid GRN000100 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1720038839) · Data from the CMS NPPES public registry.