Brian Willmon, MD
NPI 1336118645 · Internal Medicine Physician · Clovis, NM
Brian Willmon, MD is a Internal Medicine Physician provider in Clovis, NM (NPI 1336118645).
Provider details
- NPI number
- 1336118645
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 86358 (NM)
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
20 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
394 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 | 353 | $81 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 41 | $52 |
Typical Medicare-allowed amounts for these services range $52–$81 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 73 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 234 | 70 |
| Levothyroxine Sodium | 163 | 42 |
| Lisinopril | 122 | 36 |
| Omeprazole | 103 | 26 |
| Gabapentin | 92 | 27 |
| Simvastatin | 87 | 19 |
| Amlodipine Besylate | 76 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-17
- Last updated
- 2009-10-21
Frequently asked questions
- What is Brian Willmon's NPI number?
- Brian Willmon's National Provider Identifier (NPI) is 1336118645, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Willmon's specialty?
- Brian Willmon is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Willmon located?
- Brian Willmon's practice location on file with NPPES is 2000 W 21st St, Clovis, NM 88101.
- What is Brian Willmon's phone number?
- The practice phone number listed in the NPPES registry for Brian Willmon is (505) 763-4479.
- Is Brian Willmon's NPI active?
- Yes — Brian Willmon's NPI (1336118645) is active in the NPPES registry as of the last update on 2009-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.