James R. Day, D.C.

Chiropractor · San Leandro, CA

Individual Active NPI

NPI number 1033033360

Practice location

450 E 14TH St
San Leandro, CA 94577-1810
Phone
(520) 568-1724

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NPI record

NPI
1033033360
Entity type
Individual (Type 1)
Enumeration date
August 7, 2026
Last updated
August 7, 2026
Certified
August 7, 2026
Sole proprietor
Yes

Specialties & taxonomy codes

TaxonomyCodeLicenseState
Chiropractor Primary 111N00000X DC37373 CA

About Dr. Day

James R. Day, D.C. is a healthcare provider registered in the NPI registry with the primary taxonomy Chiropractor (code 111N00000X). The practice location is 450 E 14TH St, San Leandro, CA 94577-1810. The NPI number 1033033360 was assigned on August 7, 2026 and the record was last updated on August 7, 2026.

Dr. Day lists a license in the registry: #DC37373 (CA) for Chiropractor. License numbers are self-reported to NPPES; verify them with the state licensing board.

Frequently asked questions

What is the NPI number of James R. Day, D.C.?

The NPI number is 1033033360.

What is the phone number of Dr. Day?

The phone number listed for the practice location is (520) 568-1724.

Where is Dr. Day located?

450 E 14TH St, San Leandro, CA 94577-1810.

What is the taxonomy code for Dr. Day?

The primary taxonomy code is 111N00000X – Chiropractor.

Is this information correct?

All details come from the public NPPES registry. Providers can update their record at nppes.cms.hhs.gov; changes appear here after the next weekly update.

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