Doctor profile · Federal record

Dr. Cassandra Johnson, MSN, APRN, WHNP-BC

Women's Health Nurse Practitioner (CMS: Nurse Practitioner) · Nurse Practitioner · Saint Louis, MO

  • NPI 1700358025
  • Accepts Medicare
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1110 Highlands Plaza Dr E Ste 280
Saint Louis, MO 631101351
(314) 286-2620
Additional location
636 Hampshire St Ste 201
Quincy, IL 623013054
(217) 224-6877

Credentials & registration

NPPES · NUCC
NPI registered
December 2018 — 8 yrs on file
Profile last updated
May 9, 2022
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
363LW0102X — NUCC code
State license (1)
Missouri #2018012101

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700358025. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
46
Distinct HCPCS
2
Medicare allowed
$1,535
HCPCS Description Services Patients Avg allowed
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 30 30 $32
Q0091 Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory 16 16 $35

In context: peer comparison

Among 16 peers in Saint Louis Women's Health Nurse Practitioner, average services per provider: 46. This provider delivers 1.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$593
Transactions
30
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
Astellas Pharma US INC 9 $174.65
Organon LLC 3 $68.30
Sage Therapeutics, INC. 2 $52.07
Exeltis, USA INC. 3 $47.08
Exact Sciences Corporation 2 $43.65
Evofem Biosciences, INC. 2 $41.56
Agile Therapeutics, INC. 2 $33.37
Hologic Sales and Service, LLC 1 $25.19
Bayer Healthcare Pharmaceuticals INC. 1 $23.61
Abbvie INC. 1 $19.37
Sumitomo Pharma America, INC. 1 $17.72
Pfizer INC. 1 $16.17
Novo Nordisk INC 1 $15.32
Molnlycke Health Care US, LLC 1 $14.77

By nature of payment

Food and Beverage
$593

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
13
Patients
0
Total drug cost
$122
Drug Type Claims Patients Total cost
Estradiol Generic 13 0 $122

Frequently asked questions

Auto-generated from federal data
What is Dr. Cassandra Johnson's medical specialty?
Dr. Cassandra Johnson practices Women's Health Nurse Practitioner in Saint Louis, MO.
Where does Dr. Cassandra Johnson practice?
Dr. Cassandra Johnson practices at 1110 Highlands Plaza Dr E Ste 280, Saint Louis, MO 631101351. Office phone: 3142862620.
What is Dr. Cassandra Johnson's NPI?
Dr. Cassandra Johnson's National Provider Identifier (NPI) is 1700358025, issued by NPPES.
Does Dr. Cassandra Johnson accept Medicare assignment?
Yes. Dr. Cassandra Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cassandra Johnson commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (HCPCS Q0091). Source: CMS Medicare Physician & Other Practitioners file.