Doctor profile · Federal record

Dr. David Nyquist, MD

Hospitalist Physician (CMS: Hospitalist) · Family Medicine Physician · Belleville, IL

  • NPI 1114966611
  • Accepts Medicare
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4500 Memorial Dr
Belleville, IL 62226
(618) 257-6220
fax (618) 257-6679
Additional location
1404 Cross St
Shiloh, IL 622692988

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
February 23, 2021
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
Illinois #036-076188 · Illinois #36076188
Medicaid
IL #036076188

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114966611. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,111
Distinct HCPCS
7
Medicare allowed
$93,644
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 515 223 $79
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 263 132 $50
99239 Hospital discharge day management, more than 30 minutes 131 128 $114
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 68 67 $131
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 54 49 $120
99238 Hospital discharge day management, 30 minutes or less 50 49 $81
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 30 30 $174

In context: peer comparison

Among 13 peers in this city , average services per provider: 164. This provider delivers 6.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$19
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, Inc 1 $19.24

By nature of payment

Food and Beverage
$19

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
514
Patients
158
Total drug cost
$25,886
Drug Type Claims Patients Total cost
Furosemide Generic 60 26 $451
Amlodipine Besylate Generic 59 24 $280
Pantoprazole Sodium Generic 48 21 $767
Atorvastatin Calcium Generic 43 16 $491
Carvedilol Generic 40 13 $469
Metoprolol Succinate Generic 39 16 $865
Eliquis (Apixaban) Brand 34 0 $20,465
Famotidine Generic 29 0 $260
Clopidogrel (Clopidogrel Bisulfate) Brand 25 15 $274
Hydralazine Hcl Generic 25 16 $676

Frequently asked questions

Auto-generated from federal data
What is Dr. David Nyquist's medical specialty?
Dr. David Nyquist practices Hospitalist Physician in Belleville, IL.
Where does Dr. David Nyquist practice?
Dr. David Nyquist practices at 4500 Memorial Dr, Belleville, IL 62226. Office phone: 6182576220.
What is Dr. David Nyquist's NPI?
Dr. David Nyquist's National Provider Identifier (NPI) is 1114966611, issued by NPPES.
Does Dr. David Nyquist accept Medicare assignment?
Yes. Dr. David Nyquist accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Nyquist commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.