OrganizationActive
Allan L Liefer MD
NPI 1972775856 · Surgery Physician · Chester, IL
Provider details
- NPI number
- 1972775856
- Entity type
- Organization
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Allan Liefer, Owner(618) 826-4152
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(87/100 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
1650 State St
Chester, IL 62233-1001
Phone: (618) 826-4152
Fax: (618) 826-4210
Street-level locationGet directions
Mailing address
Po Box 150
Chester, IL 62233-0150
Registry dates
- Enumerated
- 2008-03-31
- Last updated
- 2008-03-31
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.