1. Home
  2. Directory
  3. California
  4. San Francisco
  5. Surgery
  6. NPI Profile

RILEY JAMES BRIAN MD
NPI 1831658160
Surgery in San Francisco, CA

Active since March 16, 2019PECOS Enrolled
513 PARNASSUS AVE # S321, SAN FRANCISCO, CA 94143(415) 476-1239 Get Directions Write a Review

NPPES record last updated: May 21, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 21, 2022, Aug 27, 2020, Mar 16, 2019 (3 updates tracked since 2019).

About Riley James Brian Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RILEY JAMES BRIAN MD (NPI 1831658160) is an individual surgery provider in San Francisco, California, licensed in California (PTL1094) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1831658160
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameRILEY JAMES BRIANCredential: MD
Location Address513 PARNASSUS AVE # S321San Francisco, CA 94143-2205
Mailing Address513 Parnassus Ave # S321San Francisco, CA 94143-2205
Phone(415) 476-1239
Sole ProprietorNo
Enumeration DateMarch 16, 2019
Last NPPES UpdateMay 21, 20223 updates tracked since enumeration
NPPES CertifiedMay 21, 2022
✔ NPI 1831658160 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in CA · PTL1094
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
513 PARNASSUS AVE # S321, San Francisco, CA 94143
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Riley James Brian Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Riley Brian reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
1.7 mi
Internal Medicine
2238 GEARY
San Francisco, CA 94116
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1841373800 (415) 833-2200

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 94143 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

JONATHAN BERHANU EJIE
Student in an Organized Health Care Education/Training Program
513 PARNASSUS AVE # S321
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-1239
SAMANTHA HOFFMAN
Surgery
513 PARNASSUS AVE # S321
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-1239
BINH CAO MD
Surgery
513 PARNASSUS AVE # S321
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-1239
DR. CASSIA WAGNER
Surgery
513 PARNASSUS AVE # S321
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-1239
CAROLINE ROSE ERICKSON MD
Surgery
513 PARNASSUS AVE # S321
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-1239
LUCAS WACHSMUTH MD, PHD
Surgery
513 PARNASSUS AVE # S321
SAN FRANCISCO, CA 94143
San Francisco County (770) 548-9392
YUSUKE LEE NAKAGAWA MD
Student in an Organized Health Care Education/Training Program
513 PARNASSUS AVE # S321
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-1239
ALEX JOO MD
Plastic Surgery
513 PARNASSUS AVE # S321
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-1239

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 Riley Brian's NPI number?

The NPI number for Riley Brian is 1831658160. It was assigned to this individual provider in the NPPES registry on March 16, 2019.

Where is Riley Brian located?

Riley Brian practices at 513 Parnassus Ave # S321, San Francisco, CA 94143. The listed phone number is (415) 476-1239.

What is Riley Brian's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Riley Brian enrolled in Medicare?

Yes. Riley Brian is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Riley Brian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Riley Brian reassigns Medicare benefits to Permanente Medical Group Inc (San Francisco, 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 Riley Brian'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 Riley Brian was last updated on May 21, 2022. 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.