DR. BENEDICT TIEN CHOU M.D.
NPI 1770759375
Internal Medicine - Rheumatology in San Francisco, CA
About Dr. Benedict Tien Chou M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BENEDICT TIEN CHOU M.D. (NPI 1770759375) is an individual rheumatology provider in San Francisco, California, licensed in California (A120132) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of New York University School Of Medicine (2008).
NPPES Registry Identity
Specialties & Licenses 3
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
Dr. Benedict Tien Chou 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
3Medicare enrollment records show Benedict Chou reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94116
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Lancaster, CA 93535
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: County Of Los Angeles
- 1,939 clinicians in this Medicare group
Torrance, CA 90505
- Reassigned Medicare billing, California enrollment
- 388 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94115 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 94115
SAN FRANCISCO, CA 94115
SAN FRANCISCO, CA 94115
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 Benedict Chou's NPI number?
The NPI number for Benedict Chou is 1770759375. It was assigned to this individual provider in the NPPES registry on May 3, 2008.
Where is Benedict Chou located?
Benedict Chou practices at 2238 Geary Blvd, San Francisco, CA 94115. The listed phone number is (415) 833-0772.
What is Benedict Chou's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Benedict Chou enrolled in Medicare?
Yes. Benedict Chou 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 Benedict Chou's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Benedict Chou reassigns Medicare benefits to 3 organizations: Permanente Medical Group Inc (San Francisco, CA), County Of Los Angeles Auditor Controller (Lancaster, CA) and Torrance Health Association Inc (Torrance, 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 Benedict Chou'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 Benedict Chou was last updated on December 21, 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.