Doctor profile · Federal record

Dr. Cassandra Chambers, APRN

Nurse Practitioner · Cardiovascular Disease Physician · Nurse Practitioner · Chester, IL

  • NPI 1356995401
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1900 State St
Chester, IL 622331116
(618) 826-2388
fax (618) 826-5139
Additional location
602 W Shawneetown Trl
Steeleville, IL 622881126
(618) 965-3382

Credentials & registration

NPPES · NUCC
NPI registered
July 2019 — 7 yrs on file
Profile last updated
January 22, 2025
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363L00000X — NUCC code
State licenses (2)
Illinois #277002367 · Illinois #209019678

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356995401. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
365
Distinct HCPCS
6
Medicare allowed
$42,838
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 143 138 $98
99215 Established patient office or other outpatient visit, 40-54 minutes 122 118 $142
99214 Established patient office or other outpatient visit, 30-39 minutes 45 35 $82
99215 Established patient office or other outpatient visit, 40-54 minutes 27 19 $121
99205 New patient office or other outpatient visit, 60-74 minutes 15 15 $184
99204 New patient office or other outpatient visit, 45-59 minutes 13 13 $139

In context: peer comparison

Among 1 peers in this city , average services per provider: 60. This provider delivers 6.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$14
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 1 $14.45

By nature of payment

Food and Beverage
$14

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
966
Patients
361
Total drug cost
$177,058
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 143 48 $2,531
Atorvastatin Calcium Generic 97 37 $1,526
Eliquis (Apixaban) Brand 79 28 $83,205
Amlodipine Besylate Generic 68 27 $515
Losartan Potassium Generic 66 24 $821
Lisinopril Generic 65 25 $454
Furosemide Generic 59 31 $470
Carvedilol Generic 56 25 $763
Entresto (Sacubitril/Valsartan) Brand 54 14 $49,864
Potassium Chloride Generic 54 25 $1,347

Frequently asked questions

Auto-generated from federal data
What is Dr. Cassandra Chambers's medical specialty?
Dr. Cassandra Chambers practices Nurse Practitioner in Chester, IL.
Where does Dr. Cassandra Chambers practice?
Dr. Cassandra Chambers practices at 1900 State St, Chester, IL 622331116. Office phone: 6188262388.
What is Dr. Cassandra Chambers's NPI?
Dr. Cassandra Chambers's National Provider Identifier (NPI) is 1356995401, issued by NPPES.
Does Dr. Cassandra Chambers accept Medicare assignment?
Yes. Dr. Cassandra Chambers accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cassandra Chambers 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 99215); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.