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

Dr. Jon Mark Johnson II, MD

Individual provider Internal Medicine Physician · NPI 1285992107

Dr. Jon Mark Johnson II, MD is an Internal Medicine in Stillwater, Oklahoma. Qualified in 2012, 14 years ago. Practices with Stillwater Medical Center Authority, a 168-clinician group and accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
14
Licensed in
OK
In the registry since
2012
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

608 S Hester St
Stillwater, OK 74074-4516
Phone: (405) 377-8000
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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 29234 (OK)

Record details

NPI number1285992107
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 28, 2012
Last updated in NPPESJuly 27, 2016
Mailing addressPo Box 720006, Norman, OK 73070-4006

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Stillwater Medical Center Authority — 168 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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