William Harris, M.D.
NPI 1821162207 · Geriatric Medicine (Family Medicine) Physician · Charleston, WV
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Harris, M.D. is a Geriatric Medicine (Family Medicine) Physician provider in Charleston, WV (NPI 1821162207).
Provider details
- NPI number
- 1821162207
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 10537 (WV)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
9,588 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 862 | $75 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 700 | $6 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 692 | $110 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 667 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test85027 | 664 | $6 |
| Lactate Dehydrogenase (enzyme) Level83615 | 661 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 206 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 896 | 105 |
| Alprazolam | 584 | 108 |
| Levothyroxine Sodium | 535 | 149 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 487 | 40 |
| Omeprazole | 458 | 138 |
| Atorvastatin Calcium | 428 | 134 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$193 across 17 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Harris's NPI number?
- William Harris's National Provider Identifier (NPI) is 1821162207, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Harris's specialty?
- William Harris is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is William Harris located?
- William Harris's practice location on file with NPPES is 3100 Maccorkle Ave Se, Charleston, WV 25304-1223.
- What is William Harris's phone number?
- The practice phone number listed in the NPPES registry for William Harris is (304) 344-2451.
- Does William Harris accept Medicare?
- William Harris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Harris's NPI active?
- Yes — William Harris's NPI (1821162207) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.