Dr. James R Day , DC
Chiropractor • San Leandro, CA
Professional Overview & Biography Verified Profile Summary
Dr. James Day, DC is a registered healthcare professional specializing in Chiropractor in San Leandro, CA. Practice services are available at 450 E 14TH ST under active NPI credentials.
Practice Location & Contact Primary Location
450 E 14th St
San Leandro, CA 945771810
Specialty Benchmarks & Practice Insights
Comparative analytics for Chiropractor in San Leandro, CA
Practicing in San Leandro, CA (12100 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
CMS Verified: 2026-08-07NUCC Taxonomy Code: 111N00000X
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
NPI status registered as active in NPPES database
Registered at 450 E 14TH ST, SAN LEANDRO, CA 945771810 (Tel: 5205681724)
Registered at 450 E 14TH ST, SAN LEANDRO, CA 945771810 (Tel: 5205681724)
Recorded as JAMES DAY, D.C.
Chiropractor (License #DC37373 in CA)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
450 E 14th St
San Leandro, CA 945771810
Phone: 5205681724
This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.