Allan L. Liefer, M.D.
Surgery Physician · Chester, IL
Allan L. Liefer, M.D. is a surgery physician with a practice address in Chester, Illinois, and NPI 1457336851, issued on Dec 8, 2005. Check the license (Illinois 3646019, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Allan L. Liefer
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 3646019 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1900 State St, Chester, IL 62233
- Phone
- (618) 826-2388
- Enumerated
- Dec 8, 2005
- Record last updated
- Jan 5, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (618) 826-3194
- Medicaid ID
- 3646019 IL
- Entity
- Type 1 · individual
Also registered at 1900 State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Angela Albertini, PA-CPhysician Assistant1386979839
- Monica Anil Lukose, MDFamily Medicine Physician1750951679
- Valerie Blechle, MSNNurse Practitioner1508114620
- Anna Burmester, PTAPhysical Therapy Assistant1740900398
- Cassandra Chambers, APRNNurse Practitioner1356995401
- Mindy Dudenbostel, CNPFamily Nurse Practitioner1447603246
Verify Allan L. Liefer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 3646019Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1 surgery physician records list a practice address in Chester
They are 1 of the 66 NPPES records with a practice address in Chester, and 1,520 surgery physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other surgery physician records in Illinois
- Douglas Aach, MDShiloh, IL1508817040
- Andrew Abadier, DOChicago, IL1124657473
- Shabirhusain Abadin, M.D.Chicago, IL1467712596
- Iftikharul Abbasy, MDOak Brook, IL1104814755
- Mahmoud Abd-El-Hafez, MDSpringfield, IL1710516943
- Samir Abdo, M.D.Eldorado, IL1578612982
- Chandrakumaran Abivarma, M.D.Park Ridge, IL1467135137
- Gerard Abood, M.DMaywood, IL1629237227
- Mohammad Abou El-Ezz, MDChicago, IL1790536746
- Gifty Abraham, M.D.Maywood, IL1881039279
Common questions
What is Allan L. Liefer, M.D.'s NPI number?
Allan L. Liefer, M.D.'s National Provider Identifier (NPI) is 1457336851, issued on Dec 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Allan L. Liefer, M.D. located?
The NPPES record lists a practice address at 1900 State St, Chester, IL, 62233. Phone: (618) 826-2388. Providers update this record themselves, so call before visiting.
How can I verify Allan L. Liefer, M.D.'s license?
NPPES lists Illinois license number 3646019, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.