Doctor profile · Federal record

Dr. Timothy Walker, FNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Festus, MO

  • NPI 1366903023
  • Accepts Medicare
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
660A S Truman Blvd
Festus, MO 630282235
(636) 931-5080
Additional location
1644 Twin Oaks Dr
Arnold, MO 630101040
(314) 651-1582
Additional location
5000 Manchester Ave
Saint Louis, MO 631102012
(314) 747-5800

Credentials & registration

NPPES · NUCC
NPI registered
March 2019 — 7 yrs on file
Profile last updated
July 9, 2019
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Missouri #2019008131

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366903023. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
435
Distinct HCPCS
10
Medicare allowed
$25,329
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 145 128 $76
87811 Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 62 59 $41
99203 New patient office or other outpatient visit, 30-44 minutes 54 54 $94
81003 Automated urinalysis test 41 38 $2
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 34 34 $16
99214 Established patient office or other outpatient visit, 30-39 minutes 29 27 $107
87804 Detection test by immunoassay with direct visual observation for influenza virus 26 14 $16
99204 New patient office or other outpatient visit, 45-59 minutes 16 16 $140
71046 X-ray of chest, 2 views 14 14 $10
96372 Injection of drug or substance under skin or into muscle 14 13 $12

In context: peer comparison

Among 12 peers in this city , average services per provider: 60. This provider delivers 7.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$33
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 1 $19.35
Optinose US, Inc. 1 $13.79

By nature of payment

Food and Beverage
$33

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
754
Patients
735
Total drug cost
$10,852
Drug Type Claims Patients Total cost
Ipratropium Bromide Generic 195 188 $6,004
Prednisone Generic 175 169 $335
Fluticasone Propionate Generic 147 144 $1,378
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 80 79 $761
Doxycycline Hyclate Generic 34 33 $443
Cephalexin Generic 33 33 $149
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 29 28 $363
Lagevrio (Eua) (Molnupiravir) Brand 18 18 $1,166
Azithromycin Generic 16 16 $75
Amoxicillin Generic 15 15 $61

Frequently asked questions

Auto-generated from federal data
What is Dr. Timothy Walker's medical specialty?
Dr. Timothy Walker practices Family Nurse Practitioner in Festus, MO.
Where does Dr. Timothy Walker practice?
Dr. Timothy Walker practices at 660A S Truman Blvd, Festus, MO 630282235. Office phone: 6369315080.
What is Dr. Timothy Walker's NPI?
Dr. Timothy Walker's National Provider Identifier (NPI) is 1366903023, issued by NPPES.
Does Dr. Timothy Walker accept Medicare assignment?
Yes. Dr. Timothy Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Walker commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) (HCPCS 87811); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.