Doctor profile · Federal record

Dr. Kassandra Williams, PA-C

Physician Assistant · Saint Louis, MO

  • NPI 1699495770
  • Accepts Medicare
  • 4 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
10012 Kennerly RD Ste 300
Saint Louis, MO 631282197
(309) 265-7877
Additional location
10012 Kennerly RD Ste 202
Saint Louis, MO 631282197
(314) 692-2807

Credentials & registration

NPPES · NUCC
NPI registered
August 2022 — 4 yrs on file
Profile last updated
July 15, 2024
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Missouri #2022039976

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699495770. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
242
Distinct HCPCS
2
Medicare allowed
$16,085
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 216 130 $65
99213 Established patient office or other outpatient visit, 20-29 minutes 26 26 $75

In context: peer comparison

Among 118 peers in Saint Louis Physician Assistant, average services per provider: 87. This provider delivers 2.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,232
Transactions
44
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 4 $1,528.17
E.R. Squibb & Sons, L.L.C. 24 $265.36
Abiomed 1 $95.47
Biosense Webster, INC. 4 $89.20
Janssen Pharmaceuticals, INC 3 $54.32
Medtronic, INC. 1 $52.86
Kestra Medical Technology Services, INC. 1 $28.18
Edwards Lifesciences Corporation 1 $25.86
Sanofi-Aventis U.S. LLC 1 $24.97
Zoll Services LLC (A/K/A Zoll LifeCor Corp) 2 $24.23
AstraZeneca Pharmaceuticals Lp 1 $21.88
Pfizer INC. 1 $21.26

By nature of payment

Food and Beverage
$1,376
Travel and Lodging
$856

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
401
Patients
148
Total drug cost
$134,421
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 139 44 $110,444
Amiodarone Hcl Generic 82 47 $1,374
Metoprolol Succinate Generic 50 25 $738
Sotalol (Sotalol Hcl) Brand 39 11 $874
Metoprolol Tartrate Generic 38 21 $189
Xarelto (Rivaroxaban) Brand 24 0 $18,018
Dabigatran Etexilate (Dabigatran Etexilate Mesylate) Brand 15 0 $1,300
Diltiazem 24Hr ER (Cd) (Diltiazem Hcl) Brand 14 0 $1,484

Frequently asked questions

Auto-generated from federal data
What is Dr. Kassandra Williams's medical specialty?
Dr. Kassandra Williams practices Physician Assistant in Saint Louis, MO.
Where does Dr. Kassandra Williams practice?
Dr. Kassandra Williams practices at 10012 Kennerly RD Ste 300, Saint Louis, MO 631282197. Office phone: 3092657877.
What is Dr. Kassandra Williams's NPI?
Dr. Kassandra Williams's National Provider Identifier (NPI) is 1699495770, issued by NPPES.
Does Dr. Kassandra Williams accept Medicare assignment?
Yes. Dr. Kassandra Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kassandra Williams commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.