Doctor profile · Federal record

Dr. Nicholas Warren, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Liberty, MO

  • NPI 1225424153
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2525 Glenn Hendren Dr
Liberty, MO 64068
(816) 792-7000
Mailing address
2609 Glenn Hendren Dr
Liberty, MO 640683313

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
June 20, 2018
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Missouri #2015018604

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225424153. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,088
Distinct HCPCS
5
Medicare allowed
$153,558
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 529 508 $185
99284 Emergency department visit with moderate level of medical decision making 246 238 $127
93042 Electrocardiogram (ecg) 1 to 3 leads with review by physician only 183 180 $7
99291 Critical care, first 30-74 minutes 92 91 $222
99283 Emergency department visit with low level of medical decision making 38 38 $76

In context: peer comparison

Among 8 peers in this city , average services per provider: 169. This provider delivers 6.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
77
Patients
75
Total drug cost
$2,034
Drug Type Claims Patients Total cost
Cefpodoxime Proxetil Generic 22 20 $1,686
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 17 17 $37
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 13 13 $140
Doxycycline Hyclate Generic 13 13 $125
Naproxen Generic 12 12 $46

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Warren's medical specialty?
Dr. Nicholas Warren practices Emergency Medicine Physician in Liberty, MO.
Where does Dr. Nicholas Warren practice?
Dr. Nicholas Warren practices at 2525 Glenn Hendren Dr, Liberty, MO 64068. Office phone: 8167927000.
What is Dr. Nicholas Warren's NPI?
Dr. Nicholas Warren's National Provider Identifier (NPI) is 1225424153, issued by NPPES.
Does Dr. Nicholas Warren accept Medicare assignment?
Yes. Dr. Nicholas Warren accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Warren 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); Electrocardiogram (ecg) 1 to 3 leads with review by physician only (HCPCS 93042). Source: CMS Medicare Physician & Other Practitioners file.