Doctor profile · Federal record

Dr. Nicholas Timmerwilke, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Student in an Organized Health Care Education/Training Program · Springfield, MO

  • NPI 1780144691
  • Accepts Medicare
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
1235 E Cherokee St
Springfield, MO 658042203
(417) 820-2115
Additional location
3100 N Tenaya Way
Las Vegas, NV 891280436
(702) 962-9551
Additional location
100 Hospital Dr
Lebanon, MO 655369210
(417) 533-6100

Credentials & registration

NPPES · NUCC
NPI registered
March 2019 — 7 yrs on file
Profile last updated
August 8, 2022
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Missouri #2022012028

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780144691. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
231
Distinct HCPCS
2
Medicare allowed
$35,222
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 165 161 $167
99284 Emergency department visit with moderate level of medical decision making 66 65 $116

In context: peer comparison

Among 50 peers in this city , average services per provider: 93. This provider delivers 2.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
59
Patients
59
Total drug cost
$625
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 24 24 $413
Cephalexin Generic 22 22 $160
Naproxen Generic 13 13 $51

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Timmerwilke's medical specialty?
Dr. Nicholas Timmerwilke practices Emergency Medicine Physician in Springfield, MO.
Where does Dr. Nicholas Timmerwilke practice?
Dr. Nicholas Timmerwilke practices at 1235 E Cherokee St, Springfield, MO 658042203. Office phone: 4178202115.
What is Dr. Nicholas Timmerwilke's NPI?
Dr. Nicholas Timmerwilke's National Provider Identifier (NPI) is 1780144691, issued by NPPES.
Does Dr. Nicholas Timmerwilke accept Medicare assignment?
Yes. Dr. Nicholas Timmerwilke accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Timmerwilke commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.