LYNNUS FANN PENG MD
NPI 1295787158
Anesthesiology in Fullerton, CA
About Lynnus Fann Peng Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LYNNUS FANN PENG MD (NPI 1295787158) is an individual anesthesiology provider in Fullerton, California, licensed in California (A61398) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (1995).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Lynnus Fann Peng 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 Lynnus Peng reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fullerton, CA 92833
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 420 clinicians in this Medicare group
- Reassigned Medicare billing, California enrollment
- 420 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 4
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FULLERTON, CA 92835
FULLERTON, CA 92835
FULLERTON, CA 92835
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 Lynnus Peng's NPI number?
The NPI number for Lynnus Peng is 1295787158. It was assigned to this individual provider in the NPPES registry on May 17, 2006.
Where is Lynnus Peng located?
Lynnus Peng practices at 101 E Valencia Mesa Dr, Fullerton, CA 92835. The listed phone number is (714) 871-3280.
What is Lynnus Peng's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Lynnus Peng enrolled in Medicare?
Yes. Lynnus Peng 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 Lynnus Peng's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lynnus Peng reassigns Medicare benefits to 3 organizations: Southern California Permanente Medical Group (Fullerton, CA), Regents Of The University Of (Orange, CA) and Allied Anesthesia Medical Group Inc (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 Lynnus Peng'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 Lynnus Peng was last updated on December 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Lynnus Fann Peng, MD · NPI 1295787158
Anesthesiology physician in Fullerton, California. Individual provider, active in the CMS NPPES registry since May 17, 2006.
## Identity
- **NPI:** 1295787158 (Entity type: Individual)
- **Enumerated:** May 17, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A61398 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 101 E VALENCIA MESA DR, Fullerton, CA 92835-3809
- **Phone:** (714) 871-3280 · **Fax:** (714) 447-6490
## 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): Southern California Permanente Medical Group (NPI 1336556059, Fullerton, CA); Regents Of The University Of (NPI 1487602546, Orange, CA); Allied Anesthesia Medical Group Inc (CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Southern California Keck School Of Medicine, class of 1995
## Record status
- **NPPES last updated:** December 1, 2021
- **Other identifiers:** Medicaid 00A613980 (CA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1295787158) · Data from the CMS NPPES public registry.