William Smith, M.D.
NPI 1558320523 · Internal Medicine Physician · Winston Salem, NC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Smith, M.D. is a Internal Medicine Physician provider in Winston Salem, NC (NPI 1558320523).
Provider details
- NPI number
- 1558320523
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 9700765 (NC)
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
804 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 | 385 | $120 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 202 | $120 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 56 | $85 |
| Administration of Influenza Virus VaccineG0008 | 49 | $30 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 47 | $9 |
| Hemoglobin A1c Level83036 | 21 | $9 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 136 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 393 | 121 |
| Amlodipine Besylate | 314 | 90 |
| Levothyroxine Sodium | 310 | 82 |
| Losartan Potassium | 269 | 75 |
| Lisinopril | 244 | 62 |
| Alprazolam | 230 | 47 |
| Simvastatin | 205 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-20
- Last updated
- 2010-02-23
Frequently asked questions
- What is William Smith's NPI number?
- William Smith's National Provider Identifier (NPI) is 1558320523, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Smith's specialty?
- William Smith is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Smith located?
- William Smith's practice location on file with NPPES is 3333 Brookview Hills Blvd, Winston Salem, NC 27103-5661.
- What is William Smith's phone number?
- The practice phone number listed in the NPPES registry for William Smith is (336) 765-5250.
- Does William Smith accept Medicare?
- William Smith is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Smith's NPI active?
- Yes — William Smith's NPI (1558320523) is active in the NPPES registry as of the last update on 2010-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.