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

Dr. Cathryn Barbara Howarth, MD

Individual provider Pediatric Hematology & Oncology Physician · NPI 1881733731

Dr. Cathryn Barbara Howarth, MD is a Pediatric Hematology & Oncology Physician in Santa Barbara, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

320 W Pueblo Street Pediatric Hematology Oncology Clinic
Santa Barbara, CA 93102-0689
Phone: (805) 569-8394
Fax: (805) 569-8398
Show map & directions

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

Specialties & licences

Pediatric Hematology & Oncology Physician (primary) Taxonomy 2080P0207X · Licence A34496 (CA)

Record details

NPI number1881733731
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 6, 2007
Last updated in NPPESJuly 9, 2007

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