OrganizationActive
John Welch, DDS, PLLC
NPI 1437541380 · Dental Clinic/Center · Sioux City, IA
John Welch, DDS, PLLC is a Dental Clinic/Center organization in Sioux City, IA (NPI 1437541380).
Provider details
- NPI number
- 1437541380
- Entity type
- Organization
- Primary specialty
- Dental Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- John Welch, Owner(515) 770-3611
- License
- DDS-09155 (IA)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
Detailed profile(75/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
Practice location
4801 Southern Hills Dr
Sioux City, IA 51106
Phone: (712) 274-7377
Fax: (712) 276-8432
Street-level locationGet directions
Mailing address
4801 Southern Hills Dr
Sioux City, IA 51106
Registry dates
- Enumerated
- 2015-03-02
- Last updated
- 2019-08-07
Frequently asked questions
- What is John Welch, DDS, PLLC's NPI number?
- John Welch, DDS, PLLC's National Provider Identifier (NPI) is 1437541380, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John Welch, DDS, PLLC?
- John Welch, DDS, PLLC is classified in the NPPES registry as Dental Clinic/Center (Ambulatory Health Care Facilities).
- Where is John Welch, DDS, PLLC located?
- John Welch, DDS, PLLC's practice location on file with NPPES is 4801 Southern Hills Dr, Sioux City, IA 51106.
- What is John Welch, DDS, PLLC's phone number?
- The practice phone number listed in the NPPES registry for John Welch, DDS, PLLC is (712) 274-7377.
- Who is the authorized official for John Welch, DDS, PLLC?
- The authorized official listed on John Welch, DDS, PLLC's NPPES record is John Welch, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John Welch, DDS, PLLC's NPI active?
- Yes — John Welch, DDS, PLLC's NPI (1437541380) is active in the NPPES registry as of the last update on 2019-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.