DR. LYNNA PAT-SYA CHOY M.D.
NPI 1679776934
Anesthesiology in San Diego, CA
About Dr. Lynna Pat-sya Choy M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LYNNA PAT-SYA CHOY M.D. (NPI 1679776934) is an individual anesthesiology provider in San Diego, California, licensed in California (A99419) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of Icahn School Of Medicine At Mount Sinai (2003).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 4
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
Dr. Lynna Pat-sya Choy M.d. 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
7Medicare enrollment records show Lynna Choy reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92108
- Reassigned Medicare billing, California enrollment
La Mesa, CA 91941
- Reassigned Medicare billing, California enrollment
- 43 clinicians in this Medicare group
Murrieta, CA 92563
- Reassigned Medicare billing, California enrollment
- 137 clinicians in this Medicare group
Los Angeles, CA 90036
- Reassigned Medicare billing, California enrollment
- 61 clinicians in this Medicare group
Santa Rosa, CA 95404
- Reassigned Medicare billing, California enrollment
- 140 clinicians in this Medicare group
Lakeport, CA 95453
- Reassigned Medicare billing, California enrollment
- 19 clinicians in this Medicare group
New York, NY 10022
- Reassigned Medicare billing, New York enrollment
- 5 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
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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN DIEGO, CA 92108
SAN DIEGO, CA 92108
SAN DIEGO, CA 92108
SAN DIEGO, CA 92108
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 Lynna Choy's NPI number?
The NPI number for Lynna Choy is 1679776934. It was assigned to this individual provider in the NPPES registry on June 6, 2007.
Where is Lynna Choy located?
Lynna Choy practices at 7485 Mission Valley Rd Ste 106, San Diego, CA 92108. The listed phone number is (619) 291-3737.
What is Lynna Choy's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Lynna Choy enrolled in Medicare?
Yes. Lynna Choy 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 Lynna Choy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lynna Choy reassigns Medicare benefits to 7 organizations: Lynna P Choy MD Inc (San Diego, CA), Innovative Anesthesia Consultants PC (La Mesa, CA), Sound Physicians Anesthesiology Of California PC (Murrieta, CA), Farnad Medical Corporation (Los Angeles, CA), Anesthesia & Analgesia Medical Group, Inc. (Santa Rosa, CA) and 2 more organizations, listed in the Medicare section above. 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 Lynna Choy'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 Lynna Choy was last updated on April 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Dr. Lynna Pat-Sya Choy, M.D. · NPI 1679776934
Anesthesiology physician in San Diego, California. Individual provider, active in the CMS NPPES registry since June 6, 2007.
## Identity
- **NPI:** 1679776934 (Entity type: Individual)
- **Enumerated:** June 6, 2007
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A99419 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 7485 MISSION VALLEY RD STE 106, San Diego, CA 92108-4422
- **Phone:** (619) 291-3737 · **Fax:** (619) 291-3738
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Lynna P Choy MD Inc (NPI 1356000111, San Diego, CA); Innovative Anesthesia Consultants PC (NPI 1154815264, La Mesa, CA); Sound Physicians Anesthesiology Of California PC (NPI 1699408229, Murrieta, CA); Farnad Medical Corporation (NPI 1083258362, Los Angeles, CA); Anesthesia & Analgesia Medical Group, Inc. (NPI 1659320984, Santa Rosa, CA); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Icahn School Of Medicine At Mount Sinai, class of 2003
## Record status
- **NPPES last updated:** April 17, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1679776934) · Data from the CMS NPPES public registry.