Mark L. Smith, MD
Family Medicine Physician · Herrin, IL
Mark L. Smith, MD is a family medicine physician with a practice address in Herrin, Illinois, and NPI 1043327141, issued on Aug 24, 2006. Check the license (Illinois 036067104, 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
- Mark L. Smith
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036067104 IL
Self-reported in NPPES; status is on the state search - Practice location
- 405 Rushing Drive, Herrin, IL 62948
- Phone
- (618) 943-3300
- Enumerated
- Aug 24, 2006
- Record last updated
- Oct 27, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (618) 997-6626
- Medicaid IDs
- 036067104 IL
143870 IL - Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 405 Rushing Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kevin Oestmann, MDFamily Medicine Physician1902913908
- Michael Workman, MDFamily Medicine Physician1184731267
Verify Mark L. Smith 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 036067104Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mark L. Smith among 6,215 family medicine physician records in Illinois
Mark L. Smith, MD is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileNo · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2011 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 family medicine physician records list a practice address in Herrin
They are 9 of the 419 NPPES records with a practice address in Herrin, and 6,215 family medicine physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 6,215 in Illinois → Every provider in Herrin → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Russell Brown, D.O.Herrin, IL 629481891809810
- Awais Butt, M.D.Herrin, IL 629481942560172
- Mark Korte, M.D.Herrin, IL 629481821102849
- Karan Mehta, MDHerrin, IL 629481467184622
- Kevin Oestmann, MDHerrin, IL 629481902913908
- Marshall Short, MDHerrin, IL 629481174722441
- Alan Wilson, M.D.Herrin, IL 629481386774388
- Michael Workman, MDHerrin, IL 629481184731267
Common questions
What is Mark L. Smith, MD's NPI number?
Mark L. Smith, MD's National Provider Identifier (NPI) is 1043327141, issued on Aug 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark L. Smith, MD located?
The NPPES record lists a practice address at 405 Rushing Drive, Herrin, IL, 62948. Phone: (618) 943-3300. Providers update this record themselves, so call before visiting.
How can I verify Mark L. Smith, MD's license?
NPPES lists Illinois license number 036067104, 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.