PATRICK G SULLIVAN MD
NPI 1750449955
Anesthesiology in La Mesa, CA
About Patrick G Sullivan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PATRICK G SULLIVAN MD (NPI 1750449955) is an individual anesthesiology provider in La Mesa, California, licensed in California (G74231) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Patrick G Sullivan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Patrick Sullivan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fountain Valley, CA 97208
- Reassigned Medicare billing, California enrollment
- 59 clinicians in this Medicare group
Orange, CA 92869
- Reassigned Medicare billing, California enrollment
- 168 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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LA MESA, CA 91942
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 Sullivan's NPI number?
The NPI number for Patrick Sullivan is 1750449955. It was assigned to this individual provider in the NPPES registry on December 4, 2006.
Where is Patrick Sullivan located?
Patrick Sullivan practices at 5555 Grossmont Center Dr, La Mesa, CA 91942. The listed phone number is (619) 460-5111.
What is Patrick Sullivan's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Patrick Sullivan enrolled in Medicare?
Yes. Patrick Sullivan is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Patrick Sullivan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Patrick Sullivan reassigns Medicare benefits to 2 organizations: Premiercare Anesthesia Fountain Valley Inc (Fountain Valley, CA) and Orange Coast Anesthesia Inc (Orange, CA). Each 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 Sullivan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Patrick Sullivan was last updated on April 7, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.