John Welch, D.D.S.
Dentist · Sioux City, IA
John Welch, D.D.S. is a dentist with a practice address in Sioux City, Iowa, and NPI 1326301755, issued on Jun 20, 2012. Check the license (Iowa 09155, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Welch
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License numbers
- 09155 IA
6927-15 WI
Self-reported in NPPES; status is on the state search - Practice location
- 4801 Southern Hills Dr, Sioux City, IA 51106
- Phone
- (712) 274-7377
- Enumerated
- Jun 20, 2012
- Record last updated
- Aug 7, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (712) 276-8432
- Entity
- Type 1 · individual
8 nearest dentist records → All 726 in Iowa → Look up another NPI →
Also registered at 4801 Southern Hills Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James McAllister, D.D.S.General Practice Dentistry1710012422
Verify John Welch in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 09155Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% more Medicare Part D claims than the average dentist in 2024
131 Medicare Part D claims for 86 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin65 claims
- Amoxicillin-Clavulanate Potass31 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.
John Welch among 726 dentist records in Iowa
John Welch, D.D.S. is one of 726 dentist records with a practice address in Iowa. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 55% of them.
- NPI issued2012 · 55% of these records are older, 43% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2019 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
29 dentist records list a practice address in Sioux City
They are 29 of the 1,486 NPPES records with a practice address in Sioux City, and 726 dentist records in Iowa.
All 726 in Iowa → Every provider in Sioux City → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Randall Burnight, DDSSioux City, IA 511061891861811
- Annemarie Desanto, DMDSioux City, IA 511061326620212
- Timothy Ernesti, DDSSioux City, IA 511061972827194
- Donna Gardner, DDSSioux City, IA 511061558336271
- Sidney HildahlSioux City, IA 511061477256022
- Joshua Hindman, DDSSioux City, IA 511061629507686
- Ryan Jensen, DMDSioux City, IA 511061184064222
- Carl Kendrick, DMDSioux City, IA 511061831276195
Common questions
What is John Welch, D.D.S.'s NPI number?
John Welch, D.D.S.'s National Provider Identifier (NPI) is 1326301755, issued on Jun 20, 2012. An NPI identifies a provider in billing; it is not a license.
Where is John Welch, D.D.S. located?
The NPPES record lists a practice address at 4801 Southern Hills Dr, Sioux City, IA, 51106. Phone: (712) 274-7377. Providers update this record themselves, so call before visiting.
How can I verify John Welch, D.D.S.'s license?
NPPES lists Iowa license number 09155, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does John Welch, D.D.S. prescribe under Medicare Part D?
In 2024, John Welch, D.D.S. had 131 Medicare Part D claims for 86 beneficiaries; the average among dentist prescribers was 86. 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.