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

Ratnasothy S Rajah, MD

Individual provider Internal Medicine Physician · NPI 1619932779

Ratnasothy S Rajah, MD is an Internal Medicine Physician in San Leandro, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

13847 E 14th St #112
San Leandro, CA 94578
Phone: (510) 895-9721
Fax: (510) 895-5283
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 A29661 (CA)

Record details

NPI number1619932779
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 19, 2006
Last updated in NPPESJuly 13, 2026

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