Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Brian John Ball, MD

Individual provider Hematology (Internal Medicine) Physician · NPI 1356754683

Dr. Brian John Ball, MD is a Hematology in Duarte, California. Qualified in 2014, 12 years ago. Practices with City of Hope Medical Foundation, a 959-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
12
Licensed in
CA
In the registry since
2014
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1500 Duarte Rd
Duarte, CA 91010-3012
Phone: (626) 256-4673
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology (Internal Medicine) Physician (primary) Taxonomy 207RH0000X · Licence A169947 (CA)

Record details

NPI number1356754683
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 4, 2014
Last updated in NPPESNovember 11, 2020
Certification dateNovember 11, 2020
Mailing addressPo Box 512185, Los Angeles, CA 90051-0185

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice City Of Hope Medical Foundation — 959 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in Duarte