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

Individual provider Nephrology Physician · NPI 1841292745

Steven M Tilles, MD is an Internal Medicine in San Jose, California. Graduated from University of California, Geffen School of Medicine in 1978, 48 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
48
Trained at
University of California, Geffen 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

2505 Samaritan Dr Ste 405
San Jose, CA 95124-4013
Phone: (408) 356-8133
Fax: (408) 356-6923
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence G40389 (CA)

Record details

NPI number1841292745
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 11, 2005
Last updated in NPPESNovember 11, 2010

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesNEPHROLOGY
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 1978 (48 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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