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Gretchen Sander, M.D.
NPI 1427256486 · Pediatrics Physician · Collinsville, IL
Gretchen Sander, M.D. is a Pediatrics Physician provider in Collinsville, IL (NPI 1427256486).
Provider details
- NPI number
- 1427256486
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 36118745 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
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
101 United Dr
Suite 110
Collinsville, IL 62234-7428
Phone: (618) 855-9041
Fax: (618) 855-9046
Street-level locationGet directions
Mailing address
101 United Dr
Collinsville, IL 62234-7428
Registry dates
- Enumerated
- 2007-07-10
- Last updated
- 2013-02-19
Frequently asked questions
- What is Gretchen Sander's NPI number?
- Gretchen Sander's National Provider Identifier (NPI) is 1427256486, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretchen Sander's specialty?
- Gretchen Sander is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Gretchen Sander located?
- Gretchen Sander's practice location on file with NPPES is 101 United Dr, Collinsville, IL 62234-7428.
- What is Gretchen Sander's phone number?
- The practice phone number listed in the NPPES registry for Gretchen Sander is (618) 855-9041.
- Is Gretchen Sander's NPI active?
- Yes — Gretchen Sander's NPI (1427256486) is active in the NPPES registry as of the last update on 2013-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.