John Lyall, M.D.
NPI 1417165903 · Internal Medicine Physician · Winston Salem, NC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Lyall, M.D. is a Internal Medicine Physician provider in Winston Salem, NC (NPI 1417165903).
Provider details
- NPI number
- 1417165903
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2007-00989 (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
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
1,039 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 | 520 | $91 |
| 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 | 332 | $15 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 161 | $121 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 13 | $8 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 13 | $125 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 98 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 759 | 219 |
| Amlodipine Besylate | 497 | 143 |
| Lisinopril | 361 | 101 |
| Rosuvastatin Calcium | 316 | 91 |
| Losartan Potassium | 311 | 87 |
| Levothyroxine Sodium | 260 | 74 |
| Hydrochlorothiazide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-18
- Last updated
- 2020-10-25
- Certified
- 2020-09-06
Frequently asked questions
- What is John Lyall's NPI number?
- John Lyall's National Provider Identifier (NPI) is 1417165903, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Lyall's specialty?
- John Lyall is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Lyall located?
- John Lyall's practice location on file with NPPES is 1381 Westgate Center Dr, Winston Salem, NC 27103-2934.
- What is John Lyall's phone number?
- The practice phone number listed in the NPPES registry for John Lyall is (336) 718-0100.
- Does John Lyall accept Medicare?
- John Lyall is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Lyall's NPI active?
- Yes — John Lyall's NPI (1417165903) is active in the NPPES registry as of the last update on 2020-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.