RYAN CHEN MD
NPI 1770112294
Family Medicine in Irvine, CA
About Ryan Chen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RYAN CHEN MD (NPI 1770112294) is an individual family medicine provider in Irvine, California, licensed in California (1770112294) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS and is a graduate of St. Louis College Of Physicians And Surgeons (2020).
NPPES Registry Identity
Specialties & Licenses
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
Ryan Chen 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
2Medicare enrollment records show Ryan Chen 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 92708
- Reassigned Medicare billing, California enrollment
- 948 clinicians in this Medicare group
Anaheim, CA 92807
- Reassigned Medicare billing, California enrollment
- 13,921 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92620 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
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 Ryan Chen's NPI number?
The NPI number for Ryan Chen is 1770112294. It was assigned to this individual provider in the NPPES registry on April 6, 2020.
Where is Ryan Chen located?
Ryan Chen practices at 1190 Roosevelt # 100, Irvine, CA 92620. The listed phone number is (626) 376-4487.
What is Ryan Chen's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Ryan Chen enrolled in Medicare?
Yes. Ryan Chen 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 Ryan Chen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Chen reassigns Medicare benefits to 2 organizations: Memorialcare Medical Foundation (Fountain Valley, CA) and Southern California Permanente Medical Group (Anaheim, 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 Ryan Chen'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 Ryan Chen was last updated on October 27, 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.
# Ryan Chen, MD · NPI 1770112294
Family Medicine physician in Irvine, California. Individual provider, active in the CMS NPPES registry since April 6, 2020.
## Identity
- **NPI:** 1770112294 (Entity type: Individual)
- **Enumerated:** April 6, 2020
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 1770112294 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1190 ROOSEVELT # 100, Irvine, CA 92620-4111
- **Phone:** (626) 376-4487
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Memorialcare Medical Foundation (NPI 1205167350, Fountain Valley, CA); Southern California Permanente Medical Group (NPI 1952333460, Anaheim, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** St. Louis College Of Physicians And Surgeons, class of 2020
## Record status
- **NPPES last updated:** October 27, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1770112294) · Data from the CMS NPPES public registry.