Brian Gillenwater, D.O.
NPI 1649543828 · Family Medicine Physician · Liberty, MO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Gillenwater, D.O. is a Family Medicine Physician provider in Liberty, MO (NPI 1649543828).
Provider details
- NPI number
- 1649543828
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2010019019 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,379 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 351 | $85 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 257 | $72 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 244 | $9 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 175 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 84 | $44 |
| Manual Urinalysis Test With Examination Using Microscope, Automated |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 122 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 418 | 120 |
| Lisinopril | 361 | 96 |
| Omeprazole | 335 | 71 |
| Amlodipine Besylate | 255 | 68 |
| Losartan Potassium | 193 | 50 |
| Levothyroxine Sodium | 190 | 46 |
| Bupropion Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-02-17
- Last updated
- 2017-02-22
Frequently asked questions
- What is Brian Gillenwater's NPI number?
- Brian Gillenwater's National Provider Identifier (NPI) is 1649543828, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Gillenwater's specialty?
- Brian Gillenwater is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Gillenwater located?
- Brian Gillenwater's practice location on file with NPPES is 2609 Glenn Hendren Dr, Liberty, MO 64068-3313.
- What is Brian Gillenwater's phone number?
- The practice phone number listed in the NPPES registry for Brian Gillenwater is (816) 781-7730.
- Does Brian Gillenwater accept Medicare?
- Brian Gillenwater is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Gillenwater's NPI active?
- Yes — Brian Gillenwater's NPI (1649543828) is active in the NPPES registry as of the last update on 2017-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.