OrganizationActive
Sides Group Inc.
NPI 1598952541 · Family Medicine Physician · Festus, MO
Sides Group Inc. is a Family Medicine Physician organization in Festus, MO (NPI 1598952541).
Provider details
- NPI number
- 1598952541
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Janet Leittermann, Office Manager(636) 937-3611
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
1216 W Main St
Festus, MO 63028-1654
Phone: (636) 937-3611
Fax: (636) 931-3612
Street-level locationGet directions
Mailing address
1216 W Main St
Festus, MO 63028-1654
Other names (DBA / former)
- Doing business as
- Jefferson County Family Medicine
Registry dates
- Enumerated
- 2007-10-03
- Last updated
- 2010-04-30
Frequently asked questions
- What is Sides Group Inc.'s NPI number?
- Sides Group Inc.'s National Provider Identifier (NPI) is 1598952541, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sides Group Inc.?
- Sides Group Inc. is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sides Group Inc. located?
- Sides Group Inc.'s practice location on file with NPPES is 1216 W Main St, Festus, MO 63028-1654.
- What is Sides Group Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Sides Group Inc. is (636) 937-3611.
- Who is the authorized official for Sides Group Inc.?
- The authorized official listed on Sides Group Inc.'s NPPES record is Janet Leittermann, Office Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sides Group Inc.'s NPI active?
- Yes — Sides Group Inc.'s NPI (1598952541) is active in the NPPES registry as of the last update on 2010-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.