QIAO NAN RUAN
NPI 1629655154
Internal Medicine in San Francisco, CA
About Qiao Nan Ruan NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
QIAO NAN RUAN (NPI 1629655154) is an individual internal medicine provider in San Francisco, California, licensed in California (A198113) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2021).
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
Qiao Nan Ruan 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 Reassignment
Medicare enrollment records show Qiao Nan Ruan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Orinda, CA 94563
- Reassigned Medicare billing, California enrollment
- 4,479 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94109 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94109
SAN FRANCISCO, CA 94109
SAN FRANCISCO, CA 94109
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 Qiao Nan Ruan's NPI number?
The NPI number for Qiao Nan Ruan is 1629655154. It was assigned to this individual provider in the NPPES registry on March 29, 2021.
Where is Qiao Nan Ruan located?
Qiao Nan Ruan practices at 1100 Van Ness Ave, San Francisco, CA 94109. The listed phone number is (415) 600-3458.
What is Qiao Nan Ruan's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Qiao Nan Ruan enrolled in Medicare?
Yes. Qiao Nan Ruan 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 organization bills Medicare for Qiao Nan Ruan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Qiao Nan Ruan reassigns Medicare benefits to Sutter Bay Medical Foundation (Orinda, CA). The 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 Qiao Nan Ruan'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 Qiao Nan Ruan was last updated on November 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.