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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

BRANDON HYUNMO KOO MD
NPI 1104400373
Radiology - Diagnostic Radiology in San Francisco, CA

Active since May 12, 2021PECOS Enrolled
505 PARNASSUS AVE, SAN FRANCISCO, CA 94143(415) 514-5681 Get Directions Write a Review

NPPES record last updated: July 7, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 7, 2026, Mar 16, 2026, May 12, 2021 (3 updates tracked since 2021).

About Brandon Hyunmo Koo Md NPPES

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

BRANDON HYUNMO KOO MD (NPI 1104400373) is an individual diagnostic radiology provider in San Francisco, California, licensed in California (A206124) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of Albany Medical College Of Union University (2021).

NPPES Registry Identity

NPI1104400373
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameBRANDON HYUNMO KOOCredential: MD
Location Address505 PARNASSUS AVESan Francisco, CA 94143-2204
Mailing Address1001 Potrero Avenue, Blg. 5, Fl. 1, 1mSan Francisco, CA 94110-3518 · (628) 206-8020 · Fax (628) 206-4004
Phone(415) 514-5681
Sole ProprietorNo
Medical School CMSAlbany Medical College Of Union UniversityGraduated 2021
Enumeration DateMay 12, 2021
Last NPPES UpdateJuly 7, 20263 updates tracked since enumeration
NPPES CertifiedJuly 7, 2026
✔ NPI 1104400373 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in CA · A206124
Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

505 PARNASSUS AVE, San Francisco, CA 94143
Open in Google Maps ↗

Secondary Practice Location 1

Location 11001 Potrero Avenue, Blg. 5, Fl. 1, 1MSan Francisco, CA 94110-3518 · Phone (628) 206-8020

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Brandon Hyunmo Koo Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5991183477
PECOS Enrollment IDI20260413002251
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.

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.

CATHERINE RAMSDELL NNP
Nurse Practitioner (Neonatal)
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-1000
DR. CLAUDIO ANDRES BRAVO CARRILLO M.D.
Internal Medicine (Advanced Heart Failure and Transplant Cardiology)
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 502-4243
MAURICIO JALIFE BUCAY M.D
Hospitalist
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 750-4994
EMMA B SHAK M.D.
Student in an Organized Health Care Education/Training Program
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-1528
DR. ADRIANA A.T. MARTIN M.D., PH.D.
Internal Medicine
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 514-7288
WILLIAM JAMES DEARDORFF
Internal Medicine (Geriatric Medicine)
505 PARNASSUS AVE, 15 LONG
SAN FRANCISCO, CA 94143
San Francisco County (415) 406-1417
KEERTHANA REDDY BANALA
Student in an Organized Health Care Education/Training Program
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 514-7288
ROBERT CHRISTIAN WENZ
Nurse Anesthetist, Certified Registered
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-8054

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 Brandon Koo's NPI number?

The NPI number for Brandon Koo is 1104400373. It was assigned to this individual provider in the NPPES registry on May 12, 2021.

Where is Brandon Koo located?

Brandon Koo practices at 505 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 514-5681.

What is Brandon Koo's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Brandon Koo enrolled in Medicare?

Yes. Brandon Koo is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Brandon Koo was last updated on July 7, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.