OrganizationActive
Karl H. Gruendl, DMD, PC
NPI 1891991196 · Dentist · Fenton, MO
Karl H. Gruendl, DMD, PC is a Dentist organization in Fenton, MO (NPI 1891991196).
Provider details
- NPI number
- 1891991196
- Entity type
- Organization
- Primary specialty
- DentistDental Providers
- Organization subpart
- No
- Authorized official
- Karl Gruendl, President(636) 343-7022
- License
- 12400 (MO)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
11 Green Valley Dr
Fenton, MO 63026-5045
Phone: (636) 343-7022
Fax: (636) 343-5834
Street-level locationGet directions
Mailing address
11 Green Valley Dr
Fenton, MO 63026-5045
Registry dates
- Enumerated
- 2007-06-23
- Last updated
- 2020-08-22
Frequently asked questions
- What is Karl H. Gruendl, DMD, PC's NPI number?
- Karl H. Gruendl, DMD, PC's National Provider Identifier (NPI) is 1891991196, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Karl H. Gruendl, DMD, PC?
- Karl H. Gruendl, DMD, PC is classified in the NPPES registry as Dentist (Dental Providers).
- Where is Karl H. Gruendl, DMD, PC located?
- Karl H. Gruendl, DMD, PC's practice location on file with NPPES is 11 Green Valley Dr, Fenton, MO 63026-5045.
- What is Karl H. Gruendl, DMD, PC's phone number?
- The practice phone number listed in the NPPES registry for Karl H. Gruendl, DMD, PC is (636) 343-7022.
- Who is the authorized official for Karl H. Gruendl, DMD, PC?
- The authorized official listed on Karl H. Gruendl, DMD, PC's NPPES record is Karl Gruendl, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Karl H. Gruendl, DMD, PC's NPI active?
- Yes — Karl H. Gruendl, DMD, PC's NPI (1891991196) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.