William Barnett, M.D.
NPI 1982990214 · Family Medicine Physician · Rolla, MO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Barnett, M.D. is a Family Medicine Physician provider in Rolla, MO (NPI 1982990214).
Provider details
- NPI number
- 1982990214
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2011018665 (MO)
Specialties & taxonomies
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
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
736 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 | 265 | $118 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 160 | $119 |
| 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 | 123 | $15 |
| Administration of Influenza Virus VaccineG0008 | 62 | $30 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 60 | $166 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 191 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 500 | 114 |
| Levothyroxine Sodium | 488 | 106 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 435 | 65 |
| Atorvastatin Calcium | 421 | 118 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 408 | 90 |
| Omeprazole | 358 | 66 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-06-24
- Last updated
- 2014-07-16
Frequently asked questions
- What is William Barnett's NPI number?
- William Barnett's National Provider Identifier (NPI) is 1982990214, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Barnett's specialty?
- William Barnett is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Barnett located?
- William Barnett's practice location on file with NPPES is 1605 Martin Springs Dr Ste 210, Rolla, MO 65401-2980.
- What is William Barnett's phone number?
- The practice phone number listed in the NPPES registry for William Barnett is (573) 458-6326.
- Does William Barnett accept Medicare?
- William Barnett is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Barnett's NPI active?
- Yes — William Barnett's NPI (1982990214) is active in the NPPES registry as of the last update on 2014-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.