Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Sujay Dayal

Individual provider Internal Medicine Physician · NPI 1740920966

Sujay Dayal is an Internal Medicine Physician in Ontario, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2022

Practice location Address checks out

437 N Euclid Ave
Ontario, CA 91762-3427
Phone: (909) 988-2555
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 21643 (CA)

Record details

NPI number1740920966
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedMarch 29, 2022
Last updated in NPPESJune 1, 2026
Certification dateJune 1, 2026
Mailing address2334 Brown Deer Ct, Chino Hills, CA 91709-4351

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