Doctor profile · Federal record

Dr. Maureen Dunajcik, AGPCNP-BC

Gerontology Nurse Practitioner (CMS: Nurse Practitioner) · Gerontology Nurse Practitioner · Belleville, IL

  • NPI 1407304728
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4700 Memorial Dr Ste 250
Belleville, IL 622265373
(618) 212-6560
Additional location
5000 Cedar Plaza Pkwy, Suite 350
Saint Louis, MO 631283854
(314) 843-4333
fax (314) 842-0772

Credentials & registration

NPPES · NUCC
NPI registered
September 2016 — 10 yrs on file
Profile last updated
March 12, 2021
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363LG0600X — NUCC code
State licenses (2)
Illinois #209020654 · Missouri #2005018815

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407304728. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
258
Distinct HCPCS
3
Medicare allowed
$25,752
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 138 96 $106
99213 Established patient office or other outpatient visit, 20-29 minutes 88 75 $76
99204 New patient office or other outpatient visit, 45-59 minutes 32 32 $141

In context: peer comparison

Among 2 peers in this city , average services per provider: 64. This provider delivers 4.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,873
Transactions
102
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 32 $777.01
PFIZER INC. 43 $353.40
Amneal Pharmaceuticals LLC 6 $182.89
SK Life Science, Inc. 2 $141.08
Sumitomo Pharma America, Inc. 4 $70.31
Genentech USA, Inc. 3 $48.99
Lundbeck LLC 2 $47.53
Neurelis, Inc. 2 $41.96
Neurocrine Biosciences, Inc. 2 $41.40
Amylyx Pharmaceuticals, Inc. 1 $31.19
Novartis Pharmaceuticals Corporation 1 $25.24
UCB, Inc. 1 $25.19
ARGENX US, INC. 1 $20.12
Teva Pharmaceuticals USA, Inc. 1 $19.07
Merz Pharmaceuticals, LLC 1 $16.57

By nature of payment

Food and Beverage
$1,873

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,165
Patients
238
Total drug cost
$44,057
Drug Type Claims Patients Total cost
Memantine Hcl Generic 176 42 $5,049
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 149 38 $7,336
Gabapentin Generic 132 31 $1,910
Levetiracetam Generic 123 31 $5,763
Donepezil Hcl Generic 121 34 $1,854
Topiramate Generic 93 23 $2,118
Duloxetine Hcl Generic 55 15 $1,027
Pregabalin Generic 55 11 $3,452
Ropinirole Hcl Generic 51 13 $1,477
Zonisamide Generic 48 0 $1,307

Frequently asked questions

Auto-generated from federal data
What is Dr. Maureen Dunajcik's medical specialty?
Dr. Maureen Dunajcik practices Gerontology Nurse Practitioner in Belleville, IL.
Where does Dr. Maureen Dunajcik practice?
Dr. Maureen Dunajcik practices at 4700 Memorial Dr Ste 250, Belleville, IL 622265373. Office phone: 6182126560.
What is Dr. Maureen Dunajcik's NPI?
Dr. Maureen Dunajcik's National Provider Identifier (NPI) is 1407304728, issued by NPPES.
Does Dr. Maureen Dunajcik accept Medicare assignment?
Yes. Dr. Maureen Dunajcik accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maureen Dunajcik 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 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.