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

Mr. Stephen A De Santis, MD

Individual provider Surgery Physician · NPI 1366442584

Mr. Stephen A De Santis, MD is a General Surgery in Madera, California. Graduated from University of California, Geffen School of Medicine in 1978, 48 years ago. Practices with Paul J Wisniewski DO Inc, a 19-clinician group 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

1280 E Almond Ave
Madera, CA 93637-5606
Phone: (559) 673-9021
Fax: (559) 673-0479
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence G40996A (CA)

Record details

NPI number1366442584
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 29, 2005
Last updated in NPPESFebruary 25, 2022
Certification dateFebruary 25, 2022
Mailing address1280 E. Almond Avenue, Madera, CA 93637-5606

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 1978 (48 years in practice)
Group practice Paul J Wisniewski Do Inc — 19 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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