Organization Profile
Martha S Crisostomo is a healthcare organization in Ontario, CA, registered under clinical medical laboratory. This provider record is associated with NPI 1073767620.
Factual summary compiled by Guide.md from public records; not written by this provider.
1000 W 4TH ST SUITE 375
Ontario, CA 91762
Martha S Crisostomo is a clinical medical laboratory in Ontario, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Martha S Crisostomo is listed at 1000 W 4Th St Suite 375, Ontario, CA 91762. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (909) 684-2022. Contact the office directly to confirm availability and scheduling.
NPI registry
Martha S Crisostomo's National Provider Identifier is 1073767620. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by Martha S Crisostomo. If this is you, claiming it is free.
Guide.md
Manage this listing? Log in or create an account, then click “This is my practice and I manage it” here. A verified physician whose registry address matches this location is approved instantly; everyone else is reviewed by a person.
Guide.md listings do not constitute medical advice or an endorsement.