Doctor profile · Federal record

Dr. JENNIFER WILLIAMSON, M.D.

Internal Medicine Physician (CMS: INTERNAL MEDICINE) · BROOKINGS, SD

  • NPI 1427305721
  • Accepts Medicare
  • MIPS 93.3 / 100 · 2023
  • 20 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
400 22ND AVE
BROOKINGS, SD 570062450
(605) 697-9500

Credentials & registration

NPPES · NUCC
NPI registered
August 2012 — 14 yrs on file
Profile last updated
March 17, 2016
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
South Dakota #9507

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427305721. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,571
Distinct HCPCS
9
Medicare allowed
$152,018
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 710 437 $94
99213 Established patient office or other outpatient visit, 20-29 minutes 372 269 $63
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 349 349 $127
99495 Transitional care management services for problem of at least moderate complexity 48 43 $135
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 27 27 $162
99496 Transitional care management services for problem of high complexity 20 18 $185
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 18 17 $51
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment 14 14 $127
99212 Established patient office or other outpatient visit, 10-19 minutes 13 13 $32

In context: peer comparison

Among 2 peers in this city , average services per provider: 151. This provider delivers 10× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,792
Patients
1,213
Total drug cost
$203,216
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 700 165 $8,323
Losartan Potassium Generic 658 161 $8,971
Atorvastatin Calcium Generic 504 136 $7,096
Amlodipine Besylate Generic 360 90 $3,660
Rosuvastatin Calcium Generic 317 90 $8,927
Metformin Hcl Generic 311 87 $3,192
Omeprazole Generic 269 71 $3,731
Lisinopril Generic 257 68 $2,441
Metoprolol Succinate Generic 256 60 $4,161
Potassium Chloride Generic 242 64 $6,857

Hospital affiliations

CMS Hospital Compare