Doctor profile · Federal record

Dr. Jessica Walker, FNP-BC

Family Nurse Practitioner (CMS: Nurse Practitioner) · Collinsville, IL

  • NPI 1639476369
  • Accepts Medicare
  • MIPS 74.4 / 100 · 2023
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
531 Vandalia St
Collinsville, IL 622344061
(618) 344-0090
fax (618) 344-4371
Additional location
1285 Franciscan Dr
Litchfield, IL 620561778
(217) 324-6127
fax (217) 324-5959
Mailing address
6810 State Route 162, Box 215
Maryville, IL 62062

Credentials & registration

NPPES · NUCC
NPI registered
February 2011 — 15 yrs on file
Profile last updated
August 28, 2024
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Illinois #209-008649

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639476369. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
151
Distinct HCPCS
2
Medicare allowed
$13,045
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 89 76 $75
99214 Established patient office or other outpatient visit, 30-39 minutes 62 50 $103

In context: peer comparison

Among 1 peers in this city , average services per provider: 75. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$362
Transactions
13
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 3 $166.66
Lilly USA, LLC 2 $46.96
Novartis Pharmaceuticals Corporation 2 $39.14
Amgen Inc. 2 $34.70
Novo Nordisk Inc 1 $22.61
Verrica Pharmaceuticals Inc. 1 $20.10
PFIZER INC. 1 $16.04
Phathom Pharmaceuticals, Inc. 1 $15.91

By nature of payment

Food and Beverage
$362

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
830
Patients
424
Total drug cost
$65,628
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 123 69 $1,952
Lisinopril Generic 100 50 $1,104
Levothyroxine Sodium Generic 63 28 $986
Gabapentin Generic 55 22 $1,282
Prednisone Generic 55 49 $197
Trulicity (Dulaglutide) Brand 50 0 $55,242
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 49 29 $1,195
Omeprazole Generic 49 19 $640
Metoprolol Succinate Generic 47 18 $839
Metformin Hcl Er (Metformin Hcl) Brand 44 24 $510

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jessica Walker's medical specialty?
Dr. Jessica Walker practices Family Nurse Practitioner in Collinsville, IL.
Where does Dr. Jessica Walker practice?
Dr. Jessica Walker practices at 531 Vandalia St, Collinsville, IL 622344061. Office phone: 6183440090.
What is Dr. Jessica Walker's NPI?
Dr. Jessica Walker's National Provider Identifier (NPI) is 1639476369, issued by NPPES.
Does Dr. Jessica Walker accept Medicare assignment?
Yes. Dr. Jessica Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jessica Walker commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.