Doctor profile · Federal record

Dr. Brian Gillenwater, D.O.

Family Medicine Physician (CMS: Family Practice) · Liberty, MO

  • NPI 1649543828
  • Accepts Medicare
  • 16 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2609 Glenn Hendren Dr
Liberty, MO 640683313
(816) 781-7730
fax (816) 415-1886
Mailing address
Po Box 219672
Kansas City, MO 641219672

Credentials & registration

NPPES · NUCC
NPI registered
February 2012 — 14 yrs on file
Profile last updated
February 22, 2017
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Missouri #2010019019

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649543828. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,306
Distinct HCPCS
10
Medicare allowed
$67,353
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 363 228 $85
99213 Established patient office or other outpatient visit, 20-29 minutes 268 222 $68
36415 Insertion of needle into vein for collection of blood sample 227 171 $8
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 87 87 $50
81001 Manual urinalysis test with examination using microscope, automated 74 64 $3
83036 Hemoglobin a1c level 36 27 $9
71046 X-ray of chest, 2 views 28 25 $30
G0008 Administration of influenza virus vaccine 27 26 $30
90662 Influenza vaccine split virus, preservative free 26 26 $69
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 24 24 $49

In context: peer comparison

Among 11 peers in this city , average services per provider: 61. This provider delivers 21× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,447
Patients
673
Total drug cost
$40,475
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 339 101 $5,055
Lisinopril Generic 300 83 $3,095
Omeprazole Generic 255 69 $4,399
Amlodipine Besylate Generic 208 61 $2,210
Levothyroxine Sodium Generic 190 47 $2,764
Losartan Potassium Generic 143 41 $2,129
Tamsulosin Hcl Generic 140 37 $3,380
Hydrochlorothiazide Generic 129 38 $747
Metformin Hcl Generic 128 40 $1,807
Simvastatin Generic 123 30 $1,722

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Brian Gillenwater's medical specialty?
Dr. Brian Gillenwater practices Family Medicine Physician in Liberty, MO.
Where does Dr. Brian Gillenwater practice?
Dr. Brian Gillenwater practices at 2609 Glenn Hendren Dr, Liberty, MO 640683313. Office phone: 8167817730.
What is Dr. Brian Gillenwater's NPI?
Dr. Brian Gillenwater's National Provider Identifier (NPI) is 1649543828, issued by NPPES.
Does Dr. Brian Gillenwater accept Medicare assignment?
Yes. Dr. Brian Gillenwater accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Gillenwater 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); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.