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

Individual provider Family Medicine Physician · NPI 1275623993

Steve R Johnston, MD is an Internal Medicine in Milwaukee, Wisconsin. Graduated from University of Wisconsin School of Medicine in 1994, 32 years ago. Practices with Columbia St Marys Hospital Milwaukee Inc, a 314-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
32
Trained at
University of Wisconsin School of Medicine
Licensed in
WI
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

2320 N Lake Dr Rm 3603
Milwaukee, WI 53211-4507
Phone: (414) 270-4932
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 44862 (WI)

Record details

NPI number1275623993
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 13, 2006
Last updated in NPPESFebruary 11, 2013
Mailing address4425 N Port Washington Rd, Attn: Clinic Credentialing, Glendale, WI 53212-1082

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 1994 (32 years in practice)
Group practice Columbia St Marys Hospital Milwaukee Inc — 314 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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