Ralph Bailey Hanahan, MD
Ralph Bailey Hanahan, MD is a Radiation Oncology Physician in Santa Rosa, California. Licensed in California. Registered with an NPI since 2006.
- 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.
Practice location Address checks out
3555 Round Barn CirSanta Rosa, CA 95403-1757
Phone: (707) 522-6875
Fax: (707) 576-0445
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Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Therapeutic Radiology Physician (primary) | Taxonomy 2085R0203X · Licence C30500 (CA) |
|---|---|
| Radiation Oncology Physician | Taxonomy 2085R0001X · Licence C30500 (CA) |
Record details
| NPI number | 1801986641 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | MD |
| Sole proprietor | No |
| NPI enumerated | October 13, 2006 |
| Last updated in NPPES | September 11, 2025 |
| Mailing address | 3555 Round Barn Cir, Santa Rosa, CA 95403-1757 |
Other providers in Santa Rosa
-
Dr. Michael Graham Chen, MD
401 Oak Brook Pl, Santa Rosa, CA 95409-6311 · (707) 537-8068
-
Frederick Charles David, MD
3555 Round Barn Cir, Santa Rosa, CA 95403-1757 · (707) 528-1050
-
Ronald Lambert Van Roy, MD
121 Sotoyome St, Santa Rosa, CA 95405-4823 · (707) 525-1150