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MR. MARK KOSANOVICH M.D.
NPI 1275517401
Obstetrics & Gynecology in Chicago, IL

Active since December 01, 2005PECOS EnrolledAccepts Medicare Assignment
2525 S MICHIGAN AVE, B-390, CHICAGO, IL 60616(312) 567-6691(312) 328-7895 Get Directions Write a Review

NPPES record last updated: June 12, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mr. Mark Kosanovich M.d. NPPES

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

MR. MARK KOSANOVICH M.D. (NPI 1275517401) is an individual obstetrics & gynecology provider in Chicago, Illinois, licensed in Illinois (036100871) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of Rush Medical College Of Rush University (1997).

NPPES Registry Identity

NPI1275517401
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameMR. MARK KOSANOVICHCredential: M.D.
Location Address2525 S MICHIGAN AVE, B-390Chicago, IL 60616-2333
Mailing Address2525 S Michigan Ave, B-390Chicago, IL 60616-2333 · (312) 567-6691 · Fax (312) 328-7895
Phone(312) 567-6691
Fax(312) 328-7895
Sole ProprietorNo
Medical School CMSRush Medical College Of Rush UniversityGraduated 1997
Enumeration DateDecember 1, 2005
Last NPPES UpdateJune 12, 2012
✔ NPI 1275517401 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in IL · 036100871
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.
2525 S MICHIGAN AVE, Chicago, IL 60616
Open in Google Maps ↗

Other Identifiers 4

Other01621679IL · Bcbs Of Il
Medicare UPINH 48080IL
Medicaid036100871IL
Medicare ID-Type Unspecified200114IL · Group 950150

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections 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

Mr. Mark Kosanovich 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 ID7911009717
PECOS Enrollment IDI20210224000234
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

3

Medicare enrollment records show Mark Kosanovich reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Dynamic Anesthesia Providers PLLC
935 mi
Anesthesiology
510 W TIDWELL RD
Houston, TX 77091
  • Reassigned Medicare billing, Texas enrollment
  • 319 clinicians in this Medicare group
NPI 1346752326 (832) 465-3514
Legacy Community Health Services, Inc
941 mi
Federally Qualified Health Center (FQHC)
1415 CALIFORNIA ST
Houston, TX 77006
  • Reassigned Medicare billing, Texas enrollment
  • 402 clinicians in this Medicare group
NPI 1679524961 (832) 548-5000
Obhg Texas Holdings, P.A.
968 mi
Obstetrics & Gynecology
12221 N MOPAC EXPY
Austin, TX 78758
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Obhg Texas Holdings PA
  • 998 clinicians in this Medicare group
NPI 1083917769 (800) 967-2289

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 60616 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
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.

HANIYA SAEED MD
Internal Medicine
2525 S MICHIGAN AVE
CHICAGO, IL 60616
Cook County (312) 567-2000
MR. ROBERT J GALLIGAN PSY.D.
Psychologist (Clinical)
2525 S MICHIGAN AVE, B-390
CHICAGO, IL 60616
Cook County (312) 567-6691
MR. ROUEEN RAFEYAN M.D.
Psychiatry & Neurology (Addiction Medicine)
2525 S MICHIGAN AVE, B-390
CHICAGO, IL 60616
Cook County (312) 567-6691
DARYL WAYNE MCKEE DO
Obstetrics & Gynecology
2525 S MICHIGAN AVE
CHICAGO, IL 60616
Cook County (312) 567-2000
MAURO HENRIQUE ANGHINONI BONISSONI
Student in an Organized Health Care Education/Training Program
2525 S MICHIGAN AVE
CHICAGO, IL 60616
Cook County (312) 567-2424
MAHMOOD MOHIUDDIN MOHAMMED M.B.B.S.
Student in an Organized Health Care Education/Training Program
2525 S MICHIGAN AVE
CHICAGO, IL 60616
Cook County (312) 567-2424
DR. YASIR M M FARAH MD
Internal Medicine (Critical Care Medicine)
2525 S MICHIGAN AVE
CHICAGO, IL 60616
Cook County (312) 567-2000
PRAIRE SHORES DENTAL
Dentist (General Practice)
2525 S MICHIGAN AVE, 8TH FL
CHICAGO, IL 60616
Cook County (312) 567-2299

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 Kosanovich's NPI number?

The NPI number for Mark Kosanovich is 1275517401. It was assigned to this individual provider in the NPPES registry on December 1, 2005.

Where is Mark Kosanovich located?

Mark Kosanovich practices at 2525 S Michigan Ave B-390, Chicago, IL 60616. The listed phone number is (312) 567-6691.

What is Mark Kosanovich's specialty?

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

Is Mark Kosanovich enrolled in Medicare?

Yes. Mark Kosanovich 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 Kosanovich's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Kosanovich reassigns Medicare benefits to 3 organizations: Dynamic Anesthesia Providers PLLC (Houston, TX), Legacy Community Health Services, Inc (Houston, TX) and Obhg Texas Holdings, P.A. (Austin, TX). 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 Kosanovich's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Kosanovich accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Mark Kosanovich 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 Kosanovich was last updated on June 12, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.