OrganizationActive
Dr. Leo N. Dumstorff DDS Ltd.
NPI 1518239268 · Dental Clinic/Center · Belleville, IL
Dr. Leo N. Dumstorff DDS Ltd. is a Dental Clinic/Center organization in Belleville, IL (NPI 1518239268).
Provider details
- NPI number
- 1518239268
- Entity type
- Organization
- Primary specialty
- Dental Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Erin Dumstorff, Office Manager(618) 235-9101
- License
- 019013509 (IL)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
Detailed profile(80/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
3540 North Belt West
Suite B
Belleville, IL 62226
Phone: (618) 235-9101
Fax: (618) 235-9135
Street-level locationGet directions
Mailing address
3540 N Belt W Ste B
Belleville, IL 62226-5975
Registry dates
- Enumerated
- 2012-01-27
- Last updated
- 2012-01-27
Frequently asked questions
- What is Dr. Leo N. Dumstorff DDS Ltd.'s NPI number?
- Dr. Leo N. Dumstorff DDS Ltd.'s National Provider Identifier (NPI) is 1518239268, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dr. Leo N. Dumstorff DDS Ltd.?
- Dr. Leo N. Dumstorff DDS Ltd. is classified in the NPPES registry as Dental Clinic/Center (Ambulatory Health Care Facilities).
- Where is Dr. Leo N. Dumstorff DDS Ltd. located?
- Dr. Leo N. Dumstorff DDS Ltd.'s practice location on file with NPPES is 3540 North Belt West, Belleville, IL 62226.
- What is Dr. Leo N. Dumstorff DDS Ltd.'s phone number?
- The practice phone number listed in the NPPES registry for Dr. Leo N. Dumstorff DDS Ltd. is (618) 235-9101.
- Who is the authorized official for Dr. Leo N. Dumstorff DDS Ltd.?
- The authorized official listed on Dr. Leo N. Dumstorff DDS Ltd.'s NPPES record is Erin Dumstorff, Office Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dr. Leo N. Dumstorff DDS Ltd.'s NPI active?
- Yes — Dr. Leo N. Dumstorff DDS Ltd.'s NPI (1518239268) is active in the NPPES registry as of the last update on 2012-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.