William Preston Welch Jr., D.D.S.
General Practice Dentistry · Baton Rouge, LA
William Preston Welch Jr., D.D.S. is a general practice dentistry with a practice address in Baton Rouge, Louisiana, and NPI 1194809764, issued on Oct 24, 2006. Check the license (Louisiana 3607, as entered in NPPES) with the Louisiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Preston Welch Jr.
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 3607 LA
Self-reported in NPPES; status is on the state search - Practice location
- 7121 Highland RD, Baton Rouge, LA 70808
- Phone
- (225) 769-7640
- Enumerated
- Oct 24, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (225) 769-8116
- Entity
- Type 1 · individual
Verify William Preston Welch Jr. in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Louisiana board licenses this profession
Search for license 3607Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average general practice dentistry in 2024
62 Medicare Part D claims for 30 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin27 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.
152 general practice dentistry records list a practice address in Baton Rouge
They are 152 of the 12,526 NPPES records with a practice address in Baton Rouge, and 1,468 general practice dentistry records in Louisiana.
All 152 in Baton Rouge → All 1,468 in Louisiana → Every provider in Baton Rouge →
Other general practice dentistry records in Louisiana
- Funmi AbosedeBaton Rouge, LA1821528282
- Madison Ackel, DDSLafayette, LA1760178271
- Blaine Adams, DDSLockport, LA1205320264
- Marcie Adams, DDSBaton Rouge, LA1942755095
- Michael Adams, DDSGretna, LA1952430142
- Robert Adams III, D.D.S.Morgan City, LA1174665517
- Oluwasanmi Adegboyega, DDSBossier City, LA1831767656
- Michael Adragna, D.D.S.New Orleans, LA1689013039
- Ehidanmegbe Akharume, D.D.S.Baton Rouge, LA1528371978
- Jonah Albares, D.D.SRaceland, LA1447134622
Common questions
What is William Preston Welch Jr., D.D.S.'s NPI number?
William Preston Welch Jr., D.D.S.'s National Provider Identifier (NPI) is 1194809764, issued on Oct 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Preston Welch Jr., D.D.S. located?
The NPPES record lists a practice address at 7121 Highland RD, Baton Rouge, LA, 70808. Phone: (225) 769-7640. Providers update this record themselves, so call before visiting.
How can I verify William Preston Welch Jr., D.D.S.'s license?
NPPES lists Louisiana license number 3607, as entered by the provider. Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.
How much does William Preston Welch Jr., D.D.S. prescribe under Medicare Part D?
In 2024, William Preston Welch Jr., D.D.S. had 62 Medicare Part D claims for 30 beneficiaries; the average among general practice dentistry prescribers was 83. 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.