PATRICIA GUAN MD
NPI 1194229625
Anesthesiology in Laguna Hills, CA
About Patricia Guan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PATRICIA GUAN MD (NPI 1194229625) is an individual anesthesiology provider in Laguna Hills, California, licensed in California (A165311) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Diego, and is a graduate of Un Of California, Riverside, School Of Medicine (2018).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Patricia Guan 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 Reassignments
3Medicare enrollment records show Patricia Guan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Laguna Hills, CA 92653
- Reassigned Medicare billing, California enrollment
- 833 clinicians in this Medicare group
Long Beach, CA 90806
- Reassigned Medicare billing, California enrollment
- 107 clinicians in this Medicare group
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 2,445 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 6
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.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Patricia Guan's NPI number?
The NPI number for Patricia Guan is 1194229625. It was assigned to this individual provider in the NPPES registry on March 20, 2018.
Where is Patricia Guan located?
Patricia Guan practices at 24012 Calle De La Plata Ste 407, Laguna Hills, CA 92653. The listed phone number is (800) 888-2186.
What is Patricia Guan's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Patricia Guan enrolled in Medicare?
Yes. Patricia Guan 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 organizations bill Medicare for Patricia Guan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Patricia Guan reassigns Medicare benefits to 3 organizations: Cep America - Anesthesia PC (Laguna Hills, CA), California Anesthesia Associates Medical Group, Inc. (Long Beach, CA) and Usc Care Medical Group, Inc (Los Angeles, 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 Patricia Guan'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 Patricia Guan was last updated on October 4, 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.
# Patricia Guan, MD · NPI 1194229625
Anesthesiology physician in Laguna Hills, California. Individual provider, active in the CMS NPPES registry since March 20, 2018.
## Identity
- **NPI:** 1194229625 (Entity type: Individual)
- **Enumerated:** March 20, 2018
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A165311 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 24012 CALLE DE LA PLATA STE 407, Laguna Hills, CA 92653-7625
- **Phone:** (800) 888-2186
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Cep America - Anesthesia PC (NPI 1861373631, Laguna Hills, CA); California Anesthesia Associates Medical Group, Inc. (NPI 1457399933, Long Beach, CA); Usc Care Medical Group, Inc (NPI 1902846306, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Un Of California, Riverside, School Of Medicine, class of 2018
## Record status
- **NPPES last updated:** October 4, 2023
---
Source: [NPI Profile](https://npiprofile.com/npi/1194229625) · Data from the CMS NPPES public registry.