Evan Williams, M.D.
NPI 1174605620 · Hospitalist Physician · Farmington, MO
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Evan Williams, M.D. is a Hospitalist Physician provider in Farmington, MO (NPI 1174605620).
Provider details
- NPI number
- 1174605620
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 28008 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
734 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 380 | $73 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 158 | $106 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 79 | $122 |
| Critical Care, First 30-74 Minutes99291 | 34 | $199 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 30 | $46 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 29 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carvedilol | 122 | 36 |
| Bumetanide | 73 | 33 |
| Amlodipine Besylate | 59 | 17 |
| Atorvastatin Calcium | 56 | 14 |
| Pantoprazole Sodium | 53 | 19 |
| Potassium Chloride | 46 | 20 |
| Isosorbide Mononitratebrand: Isosorbide Mononitrate Er | 44 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-20
- Last updated
- 2021-03-31
- Certified
- 2021-03-31
Frequently asked questions
- What is Evan Williams's NPI number?
- Evan Williams's National Provider Identifier (NPI) is 1174605620, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Evan Williams's specialty?
- Evan Williams is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Evan Williams located?
- Evan Williams's practice location on file with NPPES is 1101 W Liberty St, Farmington, MO 63640-1921.
- What is Evan Williams's phone number?
- The practice phone number listed in the NPPES registry for Evan Williams is (573) 756-6751.
- Does Evan Williams accept Medicare?
- Evan Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Evan Williams's NPI active?
- Yes — Evan Williams's NPI (1174605620) is active in the NPPES registry as of the last update on 2021-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.