Dr. Robert J. Risdall , MD
Pathology - Anatomic Pathology • Santa Rosa, CA
Notice of NPI Deactivation & Inactive Practice Status
According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Robert Risdall has officially deactivated this NPI record and ceased active healthcare practice.
Professional Overview & Biography Verified Profile Summary
Dr. Robert Risdall, MD was a registered Pathology - Anatomic Pathology practicing in Santa Rosa, CA. Throughout an active medical career spanning 19 years, Dr. Risdall provided care at the practice location at 401 BICENTENNIAL WAY until profile deactivation on 2025-09-11.
Practice Location & Contact Primary Location
401 Bicentennial Way
Santa Rosa, CA 954032149
Specialty Benchmarks & Practice Insights
Comparative analytics for Pathology - Anatomic Pathology in Santa Rosa, CA
Practicing in Santa Rosa, CA (409 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
NUCC Taxonomy Code: 207ZP0101X
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Family Medicine
Doctor of Medicine (M.D.)
Pediatrics
Doctor of Medicine (M.D.)
Pathology - Anatomic Pathology
Doctor of Medicine (M.D.)
Family Medicine
Doctor of Osteopathic Medicine (D.O.)
Internal Medicine - Gastroenterology
Doctor of Medicine (M.D.)
Family Medicine
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Record deactivated on September 11, 2025
NPI status registered as active in NPPES database
Registered at 401 BICENTENNIAL WAY, SANTA ROSA, CA 954032149 (Tel: 7075714000)
Registered at 1800 HARRISON ST FL 7, OAKLAND, CA 946123429 (Tel: 5106256262)
Recorded as ROBERT RISDALL, MD
Pathology (License #G28301 in CA)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
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NPI Administrative Meta
Mailing Address
1800 Harrison St Fl 7
Oakland, CA 946123429
Phone: 5106256262
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