Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Jon Mark Johnson Sr., MD

Individual provider Internal Medicine Physician · NPI 1598765497

Dr. Jon Mark Johnson Sr., MD is an Internal Medicine in Stillwater, Oklahoma. Graduated from University of Oklahoma College of Medicine in 1984, 42 years ago. Practices with Select Physical Therapy Holdings Inc, a 2,121-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Oklahoma.

Years since qualifying
42
Trained at
University of Oklahoma College of Medicine
Licensed in
OK
In the registry since
2005
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
Fax: (405) 377-8040
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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 15120 (OK)

Record details

NPI number1598765497
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 21, 2005
Last updated in NPPESJuly 8, 2007
Mailing address608 S Hester St, Stillwater, OK 74074-4516

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF OKLAHOMA COLLEGE OF MEDICINE
Graduated 1984 (42 years in practice)
Group practice Select Physical Therapy Holdings Inc — 2121 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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