William Larsen Vaughn
Internal Medicine Physician · Marietta, GA
William Larsen Vaughn is an internal medicine physician with a practice address in Marietta, Georgia, and NPI 1346917960, issued on Aug 23, 2021. Check the license (Georgia 103301, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Larsen Vaughn
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 103301 GA
Self-reported in NPPES; status is on the state search - Practice location
- 833 Campbell Hill St NW, Marietta, GA 30060
- Phone
- (470) 956-2020
- Enumerated
- Aug 23, 2021
- Record last updated
- Jul 7, 2025
- Medicare enrollment
- Enrolled (PECOS I20250605000892); accepts Medicare assignment
- Medical or professional school
- Mercer University School Of Medicine, 2022
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,911 in Georgia → Look up another NPI →
Also registered at 833 Campbell Hill St NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Larsen Vaughn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 103301Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average internal medicine physician in 2024
389 Medicare Part D claims for 82 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate20 claims
- Atorvastatin Calcium19 claims
- Trazodone Hcl19 claims
- Losartan Potassium16 claims
- Ozempic16 claims
- Carvedilol13 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.
Bills Medicare through one group practice
- Wellstar Medical Group LLCMarietta, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Larsen Vaughn among 3,911 internal medicine physician records in Georgia
William Larsen Vaughn is one of 3,911 internal medicine physician records with a practice address in Georgia. 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 2021, is newer than 86% of them.
- NPI issued2021 · 86% of these records are older, 10% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2022 · median 2005 among the 2,535 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
122 internal medicine physician records list a practice address in Marietta
They are 122 of the 6,900 NPPES records with a practice address in Marietta, and 3,911 internal medicine physician records in Georgia.
All 3,911 in Georgia → Every provider in Marietta → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jackson Bates, MDMarietta, GA 300601144210451
- Jerome Blumenthal, MDMarietta, GA 300601518957844
- David Cantrell, MDMarietta, GA 300601467425124
- Ryan Cantwell, MDMarietta, GA 300601023007457
- Charles Crabbe, MDMarietta, GA 300601891784229
- John Gelly, MDMarietta, GA 300601851381164
- Richard Griffith, MDMarietta, GA 300601528050838
- Van Hill, MDMarietta, GA 300601881677334
Common questions
What is William Larsen Vaughn's NPI number?
William Larsen Vaughn's National Provider Identifier (NPI) is 1346917960, issued on Aug 23, 2021. An NPI identifies a provider in billing; it is not a license.
Where is William Larsen Vaughn located?
The NPPES record lists a practice address at 833 Campbell Hill St NW, Marietta, GA, 30060. Phone: (470) 956-2020. Providers update this record themselves, so call before visiting.
How can I verify William Larsen Vaughn's license?
NPPES lists Georgia license number 103301, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Larsen Vaughn prescribe under Medicare Part D?
In 2024, William Larsen Vaughn had 389 Medicare Part D claims for 82 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.