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

Mark James Johnson, DO

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1740783554

Mark James Johnson, DO is an Internal Medicine in Kissimmee, Florida. Graduated from Lake Erie College of Osteopathic Medicine, Bradenton in 2018, 8 years ago. Practices with Hospital Medicine Services of Fl, LLC, a 503-clinician group and accepts Medicare assignment. Licensed in Florida.

Years since qualifying
8
Trained at
Lake Erie College of Osteopathic Medicine, Bradenton
Licensed in
FL
In the registry since
2018
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

806 W Oak St
Kissimmee, FL 34741-6625
Phone: (407) 483-3376
Fax: (407) 201-7304
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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 OS16811 (FL)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1740783554
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 18, 2018
Last updated in NPPESJune 22, 2021
Certification dateJune 22, 2021

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolLAKE ERIE COLLEGE OF OSTEOPATHIC MEDICINE, BRADENTON
Graduated 2018 (8 years in practice)
Group practice Hospital Medicine Services Of Fl, Llc — 503 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Kissimmee