IndividualActive
David Schlagheck, MD
NPI 1336255157 · Family Medicine Physician · Spring Valley, IL
Provider details
- NPI number
- 1336255157
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036059055 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 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
600 E 1st St
Spring Valley, IL 61362-1512
Phone: (815) 663-2811
Fax: (815) 664-5001
Approximate (ZIP-level) locationGet directions
Mailing address
600 E 1st St
Spring Valley, IL 61362-1512
Registry dates
- Enumerated
- 2006-08-22
- Last updated
- 2008-08-22
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.