William Chapman, MD
NPI 1588662514 · Surgery Physician · Greenville, NC
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Chapman, MD is a Surgery Physician provider in Greenville, NC (NPI 1588662514).
Provider details
- NPI number
- 1588662514
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 9401392 (NC)
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
20 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
572 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 | 201 | $85 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 151 | $102 |
| Diagnostic Exam of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43235 | 66 | $86 |
| Diagnostic Exam of Large Bowel Using a Flexible Endoscope45378 | 50 | $157 |
| Repair of Hernia of Muscle at Esophagus and Stomach Using an Endoscope43281 | 18 | $1,396 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 157 | 132 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 139 | 123 |
| Omeprazole | 123 | 55 |
| Metoclopramide Hcl | 32 | 19 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 26 | 13 |
| Erythromycin Basebrand: Erythromycin | 21 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$195 across 8 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
- 2005-07-13
- Last updated
- 2017-01-25
Frequently asked questions
- What is William Chapman's NPI number?
- William Chapman's National Provider Identifier (NPI) is 1588662514, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Chapman's specialty?
- William Chapman is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is William Chapman located?
- William Chapman's practice location on file with NPPES is 2455 Emerald Pl, Greenville, NC 27834-5785.
- What is William Chapman's phone number?
- The practice phone number listed in the NPPES registry for William Chapman is (252) 758-2224.
- Does William Chapman accept Medicare?
- William Chapman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Chapman's NPI active?
- Yes — William Chapman's NPI (1588662514) is active in the NPPES registry as of the last update on 2017-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.