Doctor profile · Federal record

Dr. Casey Williams, M.D.

Family Medicine Physician (CMS: Family Practice) · Columbia, MO

  • NPI 1215199377
  • MIPS 100.0 / 100 · 2023
  • 18 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2325 Smiley Ln
Columbia, MO 652021947
(573) 884-8980
fax (573) 884-0040
Mailing address
Po Box 843966
Kansas City, MO 641843966

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
September 12, 2022
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Missouri #2011005792

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215199377. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
318
Distinct HCPCS
3
Medicare allowed
$26,885
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 217 94 $91
99213 Established patient office or other outpatient visit, 20-29 minutes 90 65 $62
99215 Established patient office or other outpatient visit, 40-54 minutes 11 11 $137

In context: peer comparison

Among 34 peers in this city , average services per provider: 159. This provider delivers 2.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,058
Patients
460
Total drug cost
$35,002
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 214 51 $2,685
Omeprazole Generic 214 38 $5,222
Lisinopril Generic 208 49 $1,894
Amlodipine Besylate Generic 177 39 $1,098
Levothyroxine Sodium Generic 166 32 $2,510
Losartan Potassium Generic 156 27 $2,251
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 149 40 $3,238
Gabapentin Generic 136 31 $6,116
Metformin Hcl Generic 116 31 $1,144
Fluticasone Propionate Generic 113 33 $2,028

Frequently asked questions

Auto-generated from federal data
What is Dr. Casey Williams's medical specialty?
Dr. Casey Williams practices Family Medicine Physician in Columbia, MO.
Where does Dr. Casey Williams practice?
Dr. Casey Williams practices at 2325 Smiley Ln, Columbia, MO 652021947. Office phone: 5738848980.
What is Dr. Casey Williams's NPI?
Dr. Casey Williams's National Provider Identifier (NPI) is 1215199377, issued by NPPES.
Does Dr. Casey Williams accept Medicare assignment?
Dr. Casey Williams does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Casey Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.