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

Dr. Chad Barrett Johnson, MD, MBA

Individual provider Surgery Physician · NPI 1992997399

Dr. Chad Barrett Johnson, MD, MBA is a General Surgery in Tulsa, Oklahoma. Graduated from Texas Tech University Health Science Center School of Medicine in 2005, 21 years ago. Practices with Warren Clinic Inc, a 772-clinician group and accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
21
Trained at
Texas Tech University Health Science Center School of Medicine
Licensed in
OK
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MBA — Master of Business Administration
A graduate business degree.

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Practice location Address checks out

6475 S Yale Ave Ste 400
Tulsa, OK 74136-7816
Phone: (918) 585-5658
Fax: (918) 585-5670
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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 28719 (OK)

Record details

NPI number1992997399
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MBA
Sole proprietorNo
NPI enumeratedAugust 10, 2007
Last updated in NPPESMarch 7, 2023
Mailing address6600 S Yale Ave, Suite 1400, Tulsa, OK 74136-3347

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolTEXAS TECH UNIVERSITY HEALTH SCIENCE CENTER SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Warren Clinic Inc — 772 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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