William Chamnin, PA-C
NPI 1376664524 · Physician Assistant · Wilmington, NC
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Chamnin, PA-C is a Physician Assistant provider in Wilmington, NC (NPI 1376664524).
Provider details
- NPI number
- 1376664524
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 0010-00845 (NC)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
108 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) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 23 | $138 |
| Coronary Artery Bypass Using Artery Graft, 2 Grafts33534 | 19 | $261 |
| Harvest of Artery From Arm for Heart Bypass Graft Using an Endoscope33509 | 17 | $21 |
| Exclusion of Appendage of Left Upper Chamber of Heart Performed During Other Procedure on Chest33268 | 14 | $16 |
| Harvest of Vein Using an Endoscope33508 | 13 | $2 |
| Coronary Artery Bypass Using Vein Or Artery Graft, 1 Graft33517 | 11 | $23 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Tartrate | 99 | 56 |
| Oxycodone Hcl | 74 | 72 |
| Atorvastatin Calcium | 59 | 30 |
| Lisinopril | 55 | 39 |
| Amiodarone Hcl | 52 | 43 |
| Potassium Chloride | 48 | 45 |
| Furosemide | 46 | 44 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$38 across 1 record (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
- 2007-04-03
- Last updated
- 2021-05-26
- Certified
- 2021-05-26
Frequently asked questions
- What is William Chamnin's NPI number?
- William Chamnin's National Provider Identifier (NPI) is 1376664524, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Chamnin's specialty?
- William Chamnin is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Chamnin located?
- William Chamnin's practice location on file with NPPES is 1912 Tradd Ct, Wilmington, NC 28401-6637.
- What is William Chamnin's phone number?
- The practice phone number listed in the NPPES registry for William Chamnin is (910) 251-3766.
- Does William Chamnin accept Medicare?
- William Chamnin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Chamnin's NPI active?
- Yes — William Chamnin's NPI (1376664524) is active in the NPPES registry as of the last update on 2021-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.