William Harper, D. O.
NPI 1568502714 · Emergency Medicine Physician · Greenwood, MS
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Harper, D. O. is a Emergency Medicine Physician provider in Greenwood, MS (NPI 1568502714).
Provider details
- NPI number
- 1568502714
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D. O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 11900 (MS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 115 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 212 | 51 |
| Gabapentin | 153 | 30 |
| Lisinopril | 148 | 26 |
| Amlodipine Besylate | 129 | 37 |
| Furosemide | 125 | 33 |
| Metformin Hcl | 109 | 30 |
| Semaglutidebrand: Rybelsus |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$62 across 3 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
- 2007-02-07
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Harper's NPI number?
- William Harper's National Provider Identifier (NPI) is 1568502714, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Harper's specialty?
- William Harper is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Harper located?
- William Harper's practice location on file with NPPES is 1401 River Rd, Greenwood, MS 38930-4030.
- What is William Harper's phone number?
- The practice phone number listed in the NPPES registry for William Harper is (662) 459-2613.
- Does William Harper accept Medicare?
- William Harper is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Harper's NPI active?
- Yes — William Harper's NPI (1568502714) 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.