William Rataphon Chamnin, PA-C
Physician Assistant · Wilmington, NC
William Rataphon Chamnin, PA-C is a physician assistant with a practice address in Wilmington, North Carolina, and NPI 1376664524, issued on Apr 3, 2007. Check the license (North Carolina 0010-00845, as entered in NPPES) with the North Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Rataphon Chamnin
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 0010-00845 NC
Self-reported in NPPES; status is on the state search - Practice location
- 1912 Tradd CT, Wilmington, NC 28401
- Phone
- (910) 251-3766
- Enumerated
- Apr 3, 2007
- Record last updated
- May 26, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (910) 251-3760
- Medicare enrollment
- Enrolled (PECOS I20070705000271); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 9,279 in North Carolina → Look up another NPI →
Also registered at 1912 Tradd CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Rataphon Chamnin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich North Carolina board licenses this profession
Search for license 0010-00845Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average physician assistant in 2024
657 Medicare Part D claims for 139 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 88 claims were for opioids.
Most prescribed
- Metoprolol Tartrate99 claims
- Oxycodone Hcl74 claims
- Atorvastatin Calcium59 claims
- Lisinopril55 claims
- Amiodarone Hcl52 claims
- Potassium Chloride48 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $37.54
1 payment: food and beverage; the largest payer was Edwards Lifesciences Corporation. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Novant Health Medical Group Coastal Region LLCWilmington, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Rataphon Chamnin among 9,279 physician assistant records in North Carolina
William Rataphon Chamnin, PA-C is one of 9,279 physician assistant records with a practice address in North Carolina. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 20% of them.
- NPI issued2007 · 20% of these records are older, 75% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2006 · median 2017 among the 6,366 with a school on file
- Record last updated2021 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
369 physician assistant records list a practice address in Wilmington
They are 369 of the 6,526 NPPES records with a practice address in Wilmington, and 9,279 physician assistant records in North Carolina.
All 9,279 in North Carolina → Every provider in Wilmington → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kelly Britt, P.A.-CWilmington, NC 284011477511848
- Byron Carter, PACWilmington, NC 284011306816244
- Stacey Conti, PA-CWilmington, NC 284011104870328
- Michael Dunlap, PAWilmington, NC 284011962477430
- Christina Elicson, PA-CWilmington, NC 284011598710261
- William Gore, PAWilmington, NC 284011235127655
- Jama Hare, PAWilmington, NC 284011669448379
- Patricia Hood, P.A.Wilmington, NC 284011871550061
Common questions
What is William Rataphon Chamnin, PA-C's NPI number?
William Rataphon Chamnin, PA-C's National Provider Identifier (NPI) is 1376664524, issued on Apr 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William Rataphon Chamnin, PA-C located?
The NPPES record lists a practice address at 1912 Tradd CT, Wilmington, NC, 28401. Phone: (910) 251-3766. Providers update this record themselves, so call before visiting.
How can I verify William Rataphon Chamnin, PA-C's license?
NPPES lists North Carolina license number 0010-00845, as entered by the provider. Search the North Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does William Rataphon Chamnin, PA-C prescribe under Medicare Part D?
In 2024, William Rataphon Chamnin, PA-C had 657 Medicare Part D claims for 139 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.