1. Home
  2. Directory
  3. Maryland
  4. Bethesda
  5. Internal Medicine
  6. NPI Profile

DR. BRIAN KO MD
NPI 1720434012
Internal Medicine - Medical Oncology in Bethesda, MD

Active since May 05, 2016
31 CENTER DR, BETHESDA, MD 20892(301) 496-4000 Get Directions Write a Review

NPPES record last updated: December 20, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 20, 2022, Apr 29, 2022, Feb 2, 2022 (3 updates tracked since 2022).

About Dr. Brian Ko Md NPPES

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

DR. BRIAN KO MD (NPI 1720434012) is an individual medical oncology provider in Bethesda, Maryland, licensed in New York (297453) and active in the NPI registry since May 2016.

NPPES Registry Identity

NPI1720434012
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameDR. BRIAN KOCredential: MD
Location Address31 CENTER DRBethesda, MD 20892-0004
Mailing Address31 Center DrBethesda, MD 20892-0004
Phone(301) 496-4000
Sole ProprietorNo
Enumeration DateMay 5, 2016
Last NPPES UpdateDecember 20, 20223 updates tracked since enumeration
NPPES CertifiedDecember 20, 2022
✔ NPI 1720434012 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License✔ Licensed in NY · 297453
Definition

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

31 CENTER DR, Bethesda, MD 20892
Open in Google Maps ↗

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. CAROLYN CORLIES COMPTON M.D., PH.D.
Pathology (Anatomic Pathology & Clinical Pathology)
31 CENTER DR, SUITE 10A03
BETHESDA, MD 20892
Montgomery County (301) 402-1762
DR. ALAN EDWARD GUTTMACHER M.D.
Medical Genetics (Clinical Genetics (M.D.))
31 CENTER DR, ROOM 4B09
BETHESDA, MD 20892
Montgomery County (301) 496-0844
DJURO KARANOVIC M.D.
Internal Medicine
31 CENTER DR
BETHESDA, MD 20892
Montgomery County (301) 496-4000
SARAH HANSEN
Student in an Organized Health Care Education/Training Program
31 CENTER DR
BETHESDA, MD 20892
Montgomery County (778) 867-2403
DR. ROBERT HILL CARTER M.D.
Internal Medicine (Rheumatology)
31 CENTER DR, MSC 2350 BLDG 31 RM 4C32
BETHESDA, MD 20892
Montgomery County (301) 496-3651

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 Brian Ko's NPI number?

The NPI number for Brian Ko is 1720434012. It was assigned to this individual provider in the NPPES registry on May 5, 2016.

Where is Brian Ko located?

Brian Ko practices at 31 Center Dr, Bethesda, MD 20892. The listed phone number is (301) 496-4000.

What is Brian Ko's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

When was this NPI record last updated?

The NPPES record for Brian Ko was last updated on December 20, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.