PATRICK AHERN MD
NPI 1154883072
Anesthesiology - Pain Medicine in Irvine, CA
About Patrick Ahern Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PATRICK AHERN MD (NPI 1154883072) is an individual pain medicine provider in Irvine, California, licensed in Texas (V1722) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with Baptist Medical Center, and is a graduate of University Of Texas Southwestern Medical School At Dallas (2023).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Patrick Ahern Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Patrick Ahern reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Antonio, TX 78216
- Reassigned Medicare billing, Texas enrollment
- 163 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.
Areas of Expertise CMS Part B claims 11
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Baptist Medical Center
Acute Care Hospitals · San Antonio, TXChristus Santa Rosa Hospital-San Marcos
Acute Care Hospitals · San Marcos, TXResolute Health Hospital
Acute Care Hospitals · New Braunfels, TXOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
IRVINE, CA 92697
IRVINE, CA 92697
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 Patrick Ahern's NPI number?
The NPI number for Patrick Ahern is 1154883072. It was assigned to this individual provider in the NPPES registry on April 1, 2019.
Where is Patrick Ahern located?
Patrick Ahern practices at 1 Medical Plaza Drive, Irvine, CA 92697. The listed phone number is (949) 824-7246.
What is Patrick Ahern's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.
Is Patrick Ahern enrolled in Medicare?
Yes. Patrick Ahern is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Patrick Ahern's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Patrick Ahern reassigns Medicare benefits to The San Antonio Orthopaedic Group, LLP (San Antonio, TX). 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 Patrick Ahern's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Patrick Ahern accept?
Health plans from Blue Cross and Blue Shield of Texas and Imperial Insurance Companies, Inc. list Patrick Ahern as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Patrick Ahern affiliated with any hospitals?
According to CMS data, Patrick Ahern is affiliated with Baptist Medical Center, Christus Santa Rosa Hospital-San Marcos and Resolute Health Hospital.
When was this NPI record last updated?
The NPPES record for Patrick Ahern was last updated on June 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Patrick Ahern, MD · NPI 1154883072
Pain Medicine physician in Irvine, California. Individual provider, active in the CMS NPPES registry since April 1, 2019.
## Identity
- **NPI:** 1154883072 (Entity type: Individual)
- **Enumerated:** April 1, 2019
- **Primary specialty:** Anesthesiology - Pain Medicine · taxonomy 207LP2900X
- **State license:** V1722 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 MEDICAL PLAZA DRIVE, Irvine, CA 92697-7708
- **Phone:** (949) 824-7246
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** The San Antonio Orthopaedic Group, LLP (NPI 1720022494, San Antonio, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Southwestern Medical School At Dallas, class of 2023
## Record status
- **NPPES last updated:** June 20, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1154883072) · Data from the CMS NPPES public registry.