William Herndon, MD
NPI 1366553968 · Cardiovascular Disease Physician · Charlotte, NC
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Herndon, MD is a Cardiovascular Disease Physician provider in Charlotte, NC (NPI 1366553968).
Provider details
- NPI number
- 1366553968
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 26444 (NC)
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
462 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 | 308 | $124 |
| 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 | 133 | $16 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 21 | $118 |
Typical Medicare-allowed amounts for these services range $16–$124 (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 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 338 | 97 |
| Apixabanbrand: Eliquis | 267 | 63 |
| Amlodipine Besylate | 215 | 54 |
| Metoprolol Succinate | 194 | 55 |
| Lisinopril | 184 | 55 |
| Rosuvastatin Calcium | 119 | 38 |
Practice location
Mailing address
Additional practice locations (4)
- 10650 Park RdCharlotte, NC 28210-8538Phone: (704) 667-3840
- 101 E W T Harris BlvdSte 1213Charlotte, NC 28262-3485Phone: (704) 863-1950
- 447 Mcalister RdSte 3200Lincolnton, NC 28092-4114Phone: (980) 212-6300
- 134 Medical Park RdSte 111 - Adult CardiologyMooresville, NC 28117-8526Phone: (704) 801-9100
Registry dates
- Enumerated
- 2006-08-31
- Last updated
- 2024-07-23
Frequently asked questions
- What is William Herndon's NPI number?
- William Herndon's National Provider Identifier (NPI) is 1366553968, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Herndon's specialty?
- William Herndon is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is William Herndon located?
- William Herndon's practice location on file with NPPES is 1237 Harding Pl, Charlotte, NC 28204.
- What is William Herndon's phone number?
- The practice phone number listed in the NPPES registry for William Herndon is (704) 373-0212.
- Does William Herndon accept Medicare?
- William Herndon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Herndon's NPI active?
- Yes — William Herndon's NPI (1366553968) is active in the NPPES registry as of the last update on 2024-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.