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

Individual provider Internal Medicine Physician · NPI 1598777559

Steven J Gustaveson, MD is an Internal Medicine in Madera, California. Graduated from Tulane University School of Medicine in 1991, 35 years ago. Practices with Advanced Internal Medicine Associates Inc, a 2-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
35
Trained at
Tulane University School of Medicine
Licensed in
CA
In the registry since
2006
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

1111 W 4th St Bldg B
Madera, CA 93637-4474
Phone: (559) 662-2705
Fax: (559) 673-1588
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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 A49993 (CA)

Record details

NPI number1598777559
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 11, 2006
Last updated in NPPESMarch 22, 2011

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolTULANE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1991 (35 years in practice)
Group practice Advanced Internal Medicine Associates Inc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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