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

Dr. Thomas P Joseph, MD

Individual provider Hematology (Internal Medicine) Physician · NPI 1861430092

Dr. Thomas P Joseph, MD is a Hematology/Oncology in Santa Clarita, California. Qualified in 1996, 30 years ago. Practices with City of Hope Medical Foundation, a 959-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
30
Licensed in
CA
In the registry since
2006
Specialties on file
2
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

23823 Valencia Blvd Ste 250
Santa Clarita, CA 91355-9512
Phone: (661) 799-1999
Show map & directions

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

Additional practice locations (2)

  • 16801 Devonshire St, Granada Hills, CA 91344-7405 — (818) 366-1878
  • 15031 Rinaldi St Ste 150, Mission Hills, CA 91345-1207 — (818) 660-4700

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence A94387 (CA)
Hematology (Internal Medicine) Physician Taxonomy 207RH0000X · Licence A94387 (CA)

Record details

NPI number1861430092
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 2, 2006
Last updated in NPPESNovember 5, 2020
Certification dateNovember 5, 2020

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolOTHER
Graduated 1996 (30 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