Lanny R. South, DO
Anesthesiology Physician · Frankfort, IL
Lanny R. South, DO is an anesthesiology physician with a practice address in Frankfort, Illinois, and NPI 1215996582, issued on Mar 23, 2006. Check the license (Illinois 036.131960, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Lanny R. South
- Credential
- DO
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- 036.131960 IL
OS7770 FL
34.006388 OH
Self-reported in NPPES; status is on the state search - Practice location
- 21120 Washington Pkwy, Frankfort, IL 60423
- Phone
- (815) 469-9750
- Enumerated
- Mar 23, 2006
- Record last updated
- Oct 14, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 255138100 FL
- Medicare enrollment
- Enrolled (PECOS I20230123000915); accepts Medicare assignment
- Medical or professional school
- Ohio University, College Of Osteopathic Medicine, 1994
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 2,575 in Illinois → Look up another NPI →
Also registered at 21120 Washington Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gregory Bogdonoff, M.DAnesthesiology Physician1669414900
- Bertrand Chauff, CRNACertified Registered Nurse Anesthetist1588908404
- Juliet Goldsher, MDAnesthesiology Physician1710927645
- Bradley Katzmann, D.C.Chiropractor1407863798
- Tiffany Richardson, CRNACertified Registered Nurse Anesthetist1114279700
Verify Lanny R. South 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 036.131960Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $37.87
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Abbott Anesthesiologist Associates PCBuffalo, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lanny R. South among 2,575 anesthesiology physician records in Illinois
Lanny R. South, DO is one of 2,575 anesthesiology physician records with a practice address in Illinois. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 61% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1994 · median 2006 among the 1,608 with a school on file
- Record last updated2020 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in Illinois
There are 2,575 anesthesiology physician records in Illinois.
All 2,575 in Illinois → Every provider in Frankfort → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Gregory Bogdonoff, M.DFrankfort, IL 604231669414900
- Juliet Goldsher, MDFrankfort, IL 604231710927645
- Jalaja Piska, MDFrankfort, IL 604231427035815
- Thomas Africano, C.R.N.A.Flossmoor, IL 604221750393328
- Suresh Agarwal, MDHarvey, IL 604261598775108
- Cary Brown, MDHarvey, IL 604261407828437
- Andrew Bruggeman, MDHarvey, IL 604261568434579
- Joseph Costa, MDHarvey, IL 604261033184031
Common questions
What is Lanny R. South, DO's NPI number?
Lanny R. South, DO's National Provider Identifier (NPI) is 1215996582, issued on Mar 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lanny R. South, DO located?
The NPPES record lists a practice address at 21120 Washington Pkwy, Frankfort, IL, 60423. Phone: (815) 469-9750. Providers update this record themselves, so call before visiting.
How can I verify Lanny R. South, DO's license?
NPPES lists Illinois license number 036.131960, 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. Medicare files from data.cms.gov. 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.