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

Steven J. Gerstner, MD

Individual provider Internal Medicine Physician · NPI 1124130695

Steven J. Gerstner, MD is an Internal Medicine in Billings, Montana. Graduated from University of California, Geffen School of Medicine in 1986, 40 years ago. Practices with Billings Clinic, a 805-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Montana.

Years since qualifying
40
Trained at
University of California, Geffen School of Medicine
Licensed in
MT
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

801 N 29th St
Billings, MT 59101-0905
Phone: (406) 238-2500
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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 6476 (MT)

Record details

NPI number1124130695
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 31, 2006
Last updated in NPPESFebruary 22, 2022
Certification dateFebruary 22, 2022
Mailing addressPo Box 35100, Billings, MT 59107-5100

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 1986 (40 years in practice)
Group practice Billings Clinic — 805 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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