Stillwater Internal Medicine

Internal Medicine • Stillwater, OK

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About

Stillwater Internal Medicine in Stillwater, Oklahoma offers internal medicine, adult medicine, primary care, and outpatient care. Dr. Steven Cummings and Lauren Selberg, PA-C, specialize in the prevention, diagnosis, and treatment of adult diseases.

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Clinic Type

Internal Medicine

Address

1301 W Sixth, Suite 206, Stillwater, OK 74074

Phone

(405) 533-6047

Email

StillwaterInternalMedicine@stillwater-medical.org

Opening Hours

Not published — contact the clinic to confirm hours.

Website

https://www.stillwater-medical.org/locations/stillwater-internal-medicine/

Services Offered

internal medicine
adult medicine
primary care
outpatient care

Team

Dr. Steven Cummings — Physician
Lauren Selberg, PA-C — Physician Assistant

Insurance & Payment

—

Languages Spoken

—

Social Media

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Photos

What Patients Say

Overall sentiment across review platforms: positive

Birdeye (Google) for Dr. Steven Cummings: 4.9/5 stars (425 reviews)
Healthgrades for Dr. Jon Johnson: 4.2/5 stars (6 reviews)

Patients praise

doctors are described as listening to and caring for patients
professional and friendly office staff
effective diagnosis and treatment of conditions
welcoming atmosphere

Common complaints

occasional mention of issues with over-prescription claims in broader practice context
mixed experiences regarding pain management policies

"Steven listen and cares for his patience. Dr Cummings is the best"

— Birdeye reviews for Dr. Steven Cummings

"I have been a patient of Dr. Johnson Sr. for over 20 years. He has always been professional, personable and willing to answer all my questions. The office personnel are always helpful and courteous."

— Healthgrades review for Dr. Jon Johnson

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026. Own this clinic? Claim or correct this listing.