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MARK THOMAS BEHNAM M.D.
NPI 1992995591
Obstetrics & Gynecology in Olney, IL

Active since July 30, 2007PECOS EnrolledAccepts Medicare Assignment
800 E LOCUST ST, OLNEY, IL 62450(618) 392-1131(618) 395-5117 Get Directions Write a Review

NPPES record last updated: August 7, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 7, 2025, May 22, 2025, Oct 31, 2023 and 3 more (6 updates tracked since 2021).

About Mark Thomas Behnam M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK THOMAS BEHNAM M.D. (NPI 1992995591) is an individual obstetrics & gynecology provider in Olney, Illinois, licensed in Illinois (036136070) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in Abingdon, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1992995591
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameMARK THOMAS BEHNAMCredential: M.D.
Location Address800 E LOCUST STOlney, IL 62450-2553
Mailing Address800 E Locust StOlney, IL 62450-2553 · (618) 392-1131 · Fax (618) 395-5117
Phone(618) 392-1131
Fax(618) 395-5117
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateJuly 30, 2007
Last NPPES UpdateAugust 7, 20256 updates tracked since enumeration
NPPES CertifiedAugust 7, 2025
✔ NPI 1992995591 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in IL · 036136070✔ Licensed in WA · MD60184340✔ Licensed in MD · D0092046
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
800 E LOCUST ST, Olney, IL 62450
Open in Google Maps ↗

Secondary Practice Location 1

Location 116000 Johnston Memorial Dr Ste 200Abingdon, VA 24211-7664 · Phone (276) 628-4335

Other Identifiers 3

Other0333366WA · State L&i
Medicaid036136070IL
Other0291725WA · State L&i

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mark Thomas Behnam M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7416133020
PECOS Enrollment IDI20141112001860
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

8

Medicare enrollment records show Mark Behnam reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Richland Memorial Hospital, Inc
Same address
Critical Access
800 E LOCUST ST
Olney, IL 62450
  • Reassigned Medicare billing, Illinois enrollment
  • 301 clinicians in this Medicare group
NPI 1467492124 (618) 395-7340
Carle Health Medical Group
96 mi
Internal Medicine
611 W PARK ST
Urbana, IL 61801
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Carle Health Care Incorporated
  • 2,516 clinicians in this Medicare group
NPI 1154653947 (217) 383-8300
Hoopeston Community Memorial Hospital
121 mi
Rural Health
801 E ORANGE ST
Hoopeston, IL 60942
  • Reassigned Medicare billing, Illinois enrollment
  • 488 clinicians in this Medicare group
NPI 1578504544 (214) 283-5644
Obhg Illinois Sc
214 mi
Obstetrics & Gynecology
3249 OAK PARK AVE
Berwyn, IL 60402
  • Reassigned Medicare billing, Illinois enrollment
  • 219 clinicians in this Medicare group
NPI 1700107216 (800) 967-2289
Swedish Covenant Management Services, Inc.
224 mi
Obstetrics & Gynecology
5140 N CALIFORNIA AVE
Chicago, IL 60625
  • Reassigned Medicare billing, Illinois enrollment
  • 350 clinicians in this Medicare group
NPI 1760432348 (847) 570-2040
Ksb Medical Group, Inc.
227 mi
Clinic/Center
215 E 1ST ST, STE 101
Dixon, IL 61021
  • Reassigned Medicare billing, Illinois enrollment
  • 130 clinicians in this Medicare group
NPI 1629046115 (815) 285-5973
Multicare Health System
1,583 mi
Internal Medicine
15533 E BROADWAY AVE
Spokane Valley, WA 99037
  • Reassigned Medicare billing, Washington enrollment
  • 4,383 clinicians in this Medicare group
NPI 1336902345 (509) 530-4260
Kittitas County Public Hosp Dist 1
1,729 mi
Urology
611 S CHESTNUT ST STE C
Ellensburg, WA 98926
  • Reassigned Medicare billing, Washington enrollment
  • Medicare enrollment name: Kittitas County Public Hospital Dist 1
  • 163 clinicians in this Medicare group
NPI 1437029832 (509) 962-9841

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62450 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$127.46 typical visit price
range $54.80 – $168.44
Typical copayment $31.86 (range $13.70 – $42.11)
Most-billed visit code 99204
Established Patient
$68.64 typical visit price
range $17.16 – $136.56
Typical copayment $17.16 (range $4.29 – $34.14)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

RICHLAND MEMORIAL HOSPITAL
General Acute Care Hospital
800 E LOCUST ST
OLNEY, IL 62450
Richland County (618) 395-2131
SHAY N FARRIS PTA
Physical Medicine & Rehabilitation
800 E LOCUST ST
OLNEY, IL 62450
Richland County (618) 395-6031
NIRANAT DEJTIRANUKUL M.D.
Otolaryngology
800 E LOCUST ST
OLNEY, IL 62450
Richland County (618) 395-7340
DONNA WHITAKER
Dietitian, Registered
800 E LOCUST ST
OLNEY, IL 62450
Richland County (618) 395-7340
KELSIE ANN HARPER OTD, OTR
Occupational Therapist
800 E LOCUST ST
OLNEY, IL 62450
Richland County (618) 395-7340
TRENTON TREY TITSWORTH APN
Nurse Practitioner (Family)
800 E LOCUST ST
OLNEY, IL 62450
Richland County (618) 395-2131
ALYSSA SUZANNE LEWANDOWSKI D.O
Family Medicine
800 E LOCUST ST
OLNEY, IL 62450
Richland County (618) 395-7340
ARROW AMBULANCE, LLC
Ambulance (Land Transport)
800 E LOCUST ST
OLNEY, IL 62450
Richland County (618) 395-6001

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Behnam's NPI number?

The NPI number for Mark Behnam is 1992995591. It was assigned to this individual provider in the NPPES registry on July 30, 2007.

Where is Mark Behnam located?

Mark Behnam practices at 800 E Locust St, Olney, IL 62450. The listed phone number is (618) 392-1131.

What is Mark Behnam's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Mark Behnam enrolled in Medicare?

Yes. Mark Behnam is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Mark Behnam's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Behnam reassigns Medicare benefits to 8 organizations: Richland Memorial Hospital, Inc (Olney, IL), Carle Health Medical Group (Urbana, IL), Hoopeston Community Memorial Hospital (Hoopeston, IL), Obhg Illinois Sc (Berwyn, IL), Swedish Covenant Management Services, Inc. (Chicago, IL) and 3 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Behnam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Behnam accept?

Health plans from Blue Cross and Blue Shield of Texas, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan and Quartz list Mark Behnam as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mark Behnam was last updated on August 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.