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

Dr. Joseph Stephen Ryan, MD

Individual provider Hematology & Oncology Physician · NPI 1588161178

Dr. Joseph Stephen Ryan, MD is a Hematology/Oncology in Santa Barbara, California. Graduated from University of Washington School of Medicine in 2018, 8 years ago. Practices with The Regents of the University of California, a 1,414-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
8
Trained at
University of Washington School of Medicine
Licensed in
CA
In the registry since
2018
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

540 W Pueblo St
Santa Barbara, CA 93105-4230
Phone: (805) 879-0670
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 111 E Victoria St Fl 3, Santa Barbara, CA 93101-2018 — (805) 563-0041

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence A164039 (CA)

Record details

NPI number1588161178
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 10, 2018
Last updated in NPPESAugust 4, 2025
Certification dateAugust 4, 2025
Mailing address5767 W Century Blvd Ste 400, Los Angeles, CA 90045-5631

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesHOSPITALIST, INTERNAL MEDICINE
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 2018 (8 years in practice)
Group practice The Regents Of The University Of California — 1414 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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