Mark Thomas Behnam, M.D.
Obstetrics & Gynecology Physician · Olney, IL
Mark Thomas Behnam, M.D. is an obstetrics & gynecology physician with a practice address in Olney, Illinois, and NPI 1992995591, issued on Jul 30, 2007. Check the license (Illinois 036136070, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Mark Thomas Behnam
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 036136070 IL
D0092046 MD
MD60184340 WA
Self-reported in NPPES; status is on the state search - Practice location
- 800 E Locust St, Olney, IL 62450
- Phone
- (618) 392-1131
- Enumerated
- Jul 30, 2007
- Record last updated
- Aug 7, 2025
- Fax
- (618) 395-5117
- Medicaid ID
- 036136070 IL
- Medicare enrollment
- Enrolled (PECOS I20141112001860); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 2,062 in Illinois → Look up another NPI →
Also registered at 800 E Locust St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John AllenCertified Registered Nurse Anesthetist1417054438
- Stacy Becker, CRNACertified Registered Nurse Anesthetist1992903835
- Shari Berger, M.S., CCC-SLPSpeech-Language Pathologist1578529905
- Shannon Blank, P.T.Physical Therapist1568471753
- Makayla Bogard, NP-CFamily Nurse Practitioner1972257681
- Marissa Bower, PHARMDPharmacist1952228850
Verify Mark Thomas Behnam 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 036136070Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Richland Memorial Hospital IncOlney, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Thomas Behnam among 2,062 obstetrics & gynecology physician records in Illinois
Mark Thomas Behnam, M.D. is one of 2,062 obstetrics & gynecology physician records with a practice address in Illinois. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 47% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2005 · median 2006 among the 1,168 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 obstetrics & gynecology physician records list a practice address in Olney
They are 4 of the 258 NPPES records with a practice address in Olney, and 2,062 obstetrics & gynecology physician records in Illinois.
All 2,062 in Illinois → Every provider in Olney → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Nona Fulk, M.D.Olney, IL 624501619974227
- Rise Hatten, MDOlney, IL 624501265499271
- William Padgett, MDOlney, IL 624501225046253
- Robert Walsh, DORobinson, IL 624541225028202
- Jennifer Dust, M.D.Effingham, IL 624011255537197
- Kelly Haller, MDEffingham, IL 624011871589382
- Abbie Massengill, M.D.Effingham, IL 624011396129243
- Dawn McDaid, M.D.Effingham, IL 624011841373156
Common questions
What is Mark Thomas Behnam, M.D.'s NPI number?
Mark Thomas Behnam, M.D.'s National Provider Identifier (NPI) is 1992995591, issued on Jul 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Thomas Behnam, M.D. located?
The NPPES record lists a practice address at 800 E Locust St, Olney, IL, 62450. Phone: (618) 392-1131. Providers update this record themselves, so call before visiting.
How can I verify Mark Thomas Behnam, M.D.'s license?
NPPES lists Illinois license number 036136070, 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.