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

Dr. Robert Thomas Santos, MD

Individual provider Internal Medicine Physician · NPI 1356340384

Dr. Robert Thomas Santos, MD is an Internal Medicine in Pleasanton, California. Graduated from George Washington University School of Medicine in 1978, 48 years ago. Practices with University Healthcare Alliance, a 332-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
48
Trained at
George Washington University School of Medicine
Licensed in
CA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

5565 W Las Positas Blvd Ste #260
Pleasanton, CA 94588-4001
Phone: (925) 460-8478
Fax: (925) 734-0517
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G40697 (CA)

Record details

NPI number1356340384
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 20, 2005
Last updated in NPPESSeptember 22, 2011
Mailing address5565 W Las Positas Blvd, Suite #260, Pleasanton, CA 94588-4001

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesOTOLARYNGOLOGY
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1978 (48 years in practice)
Group practice University Healthcare Alliance — 332 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations7 on file with Medicare

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