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

Dr. Mark Floyd Adderley, DO

Individual provider General Practice Physician · NPI 1114149903

Dr. Mark Floyd Adderley, DO is a Physical Medicine and Rehabilitation in Festus, Missouri. Qualified in 2006, 20 years ago. Practices as a sole proprietor, works from 3 locations and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
20
Licensed in
MO
In the registry since
2007
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

1400 US Highway 61
Festus, MO 63028-4100
Phone: (314) 288-9161
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1333 Scenic Dr, Herculaneum, MO 63048-1550 — (314) 288-9161
  • 1 Jefferson Barracks Dr, Saint Louis, MO 63125-4181 — (314) 894-6605

Specialties & licences

Physical Medicine & Rehabilitation Physician (primary) Taxonomy 208100000X · Licence 2007032281 (MO)
General Practice Physician Taxonomy 208D00000X · Licence 2007032281 (MO)

Record details

NPI number1114149903
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedMay 3, 2007
Last updated in NPPESJune 12, 2024
Certification dateJune 12, 2024
Mailing address4770 Old School Trl, Hillsboro, MO 63050-4929

Medicare enrollment

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

Medicare specialtyPHYSICAL MEDICINE AND REHABILITATION
Also practisesGENERAL PRACTICE
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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