Doctor profile · Federal record

Dr. Mark Adderley, D.O.

Physical Medicine & Rehabilitation Physician (CMS: Physical Medicine and Rehabilitation) · General Practice Physician · Festus, MO

  • NPI 1114149903
  • Accepts Medicare
  • 20 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
1400 US Highway 61
Festus, MO 630284100
(314) 288-9161
Additional location
1 Jefferson Barracks Dr
Saint Louis, MO 631254181
(314) 894-6605
Additional location
1333 Scenic Dr
Herculaneum, MO 630481550
Mailing address
4770 Old School Trl
Hillsboro, MO 630504929

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
June 12, 2024
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
208100000X — NUCC code
State license (1)
Missouri #2007032281

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114149903. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
996
Distinct HCPCS
8
Medicare allowed
$96,925
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 440 73 $77
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 307 46 $104
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 87 59 $116
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 55 55 $169
99239 Hospital discharge day management, more than 30 minutes 55 55 $111
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 24 21 $48
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 14 14 $177
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 14 13 $149

In context: peer comparison

Among 2 peers in Festus Physical Medicine & Rehabilitation Physician, average services per provider: 89. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,674
Patients
334
Total drug cost
$92,619
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 339 26 $3,898
Pantoprazole Sodium Generic 325 28 $2,139
Atorvastatin Calcium Generic 321 37 $2,545
Amlodipine Besylate Generic 294 27 $1,739
Gabapentin Generic 283 27 $2,540
Eliquis (Apixaban) Brand 272 24 $65,046
Tamsulosin Hcl Generic 269 20 $2,809
Metoprolol Tartrate Generic 255 30 $1,267
Sertraline Hcl Generic 229 21 $1,669
Trazodone Hcl Generic 206 22 $1,050

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Adderley's medical specialty?
Dr. Mark Adderley practices Physical Medicine & Rehabilitation Physician in Festus, MO.
Where does Dr. Mark Adderley practice?
Dr. Mark Adderley practices at 1400 US Highway 61, Festus, MO 630284100. Office phone: 3142889161.
What is Dr. Mark Adderley's NPI?
Dr. Mark Adderley's National Provider Identifier (NPI) is 1114149903, issued by NPPES.
Does Dr. Mark Adderley accept Medicare assignment?
Yes. Dr. Mark Adderley accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Adderley commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.