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

Daniel J Greenfield, MD

Individual provider Pediatric Hematology & Oncology Physician · NPI 1043203946

Daniel J Greenfield, MD is a Pediatric Hematology & Oncology Physician in Santa Rosa, California. Works from 2 locations. Licensed in California.

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.

See every abbreviation used in this directory →

Practice location Address checks out

500 Doyle Park Dr Ste 100
Santa Rosa, CA 95405
Phone: (707) 544-6090
Fax: (707) 544-2389
Show map & directions

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

Additional practice locations (1)

  • 5333 Hollister Ave, Goleta, CA 93111-2341 — (805) 879-4244

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence G86356 (CA)
Pediatric Hematology & Oncology Physician Taxonomy 2080P0207X · Licence G86356 (CA)

Record details

NPI number1043203946
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 25, 2005
Last updated in NPPESFebruary 1, 2021
Certification dateFebruary 1, 2021