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

Ari Umutyan, MD

Individual provider Hematology & Oncology Physician · NPI 1275516171

Ari Umutyan, MD is a Hematology/Oncology in Saint Helena, California. Graduated from University of Southern California Keck School of Medicine in 2000, 26 years ago. Practices with St Helena Hospital, a 86-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
26
Trained at
University of Southern California Keck School of Medicine
Licensed in
CA
In the registry since
2005
Specialties on file
2
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

10 Woodland Rd
Saint Helena, CA 94574-9554
Phone: (707) 967-5721
Show map & directions

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

Additional practice locations (2)

  • 18990 Coyote Valley Rd Ste 5, Hidden Valley Lake, CA 95467-8339 — (707) 967-5721
  • 575 Lennon Ln Ste 153, Walnut Creek, CA 94598-2443 — (925) 433-8786

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence A76240 (CA)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence A76240 (CA)

Record details

NPI number1275516171
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 23, 2005
Last updated in NPPESFebruary 11, 2025
Certification dateFebruary 11, 2025

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolUNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE
Graduated 2000 (26 years in practice)
Group practice St. Helena Hospital — 86 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Saint Helena