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KANNAN SUNDAR M.D.
NPI 1942424486
Obstetrics & Gynecology in Oak Lawn, IL

Active since April 13, 2007PECOS Enrolled
4400 W 95TH ST STE 207, OAK LAWN, IL 60453(708) 684-4637 Get Directions Write a Review

NPPES record last updated: September 19, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Kannan Sundar M.d. NPPES

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

KANNAN SUNDAR M.D. (NPI 1942424486) is an individual obstetrics & gynecology provider in Oak Lawn, Illinois, licensed in Illinois (036.065275) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1942424486
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameKANNAN SUNDARCredential: M.D.
Location Address4400 W 95TH ST STE 207Oak Lawn, IL 60453-2658
Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900
Phone(708) 684-4637
Sole ProprietorYes
Enumeration DateApril 13, 2007
Last NPPES UpdateSeptember 19, 2022
NPPES CertifiedSeptember 19, 2022
✔ NPI 1942424486 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in IL · 036.065275
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.
Also ListedObstetrics & Gynecology · Hospice and Palliative MedicineTaxonomy 207VH0002X · License 036065275 (IL)
4400 W 95TH ST STE 207, Oak Lawn, IL 60453
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Wellmark Health Plan of Iowa, Inc..Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Kannan Sundar M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

Medicare enrollment records show Kannan Sundar reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Obhg Illinois Sc
8.3 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
Genesis Health System
147 mi
Anatomic Pathology & Clinical Pathology
1227 E RUSHOLME ST
Davenport, IA 52803
  • Reassigned Medicare billing, Illinois enrollment
  • 143 clinicians in this Medicare group
NPI 1295196798 (563) 355-9200

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 60453 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 10

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

RACHEL KATHERINE HARRISON MD
Obstetrics & Gynecology (Maternal & Fetal Medicine)
4400 W 95TH ST STE 207
OAK LAWN, IL 60453
Cook County (708) 684-4636
ALYSSA M MONSIVAIS APN-CNM
Advanced Practice Midwife
4400 W 95TH ST STE 207
OAK LAWN, IL 60453
Cook County (708) 684-4636
CARLA MARIA BOSSANO M.D.
Obstetrics & Gynecology
4400 W 95TH ST STE 207
OAK LAWN, IL 60453
Cook County (708) 684-5340
JOANNA MARIA IZEWSKI MD
Obstetrics & Gynecology
4400 W 95TH ST STE 207
OAK LAWN, IL 60453
Cook County (708) 684-4636
NINA KURIAN LSW
Social Worker
4400 W 95TH ST STE 207
OAK LAWN, IL 60453
Cook County (708) 684-1528
BARBARA LUBOVICH APN, CNM
Advanced Practice Midwife
4400 W 95TH ST STE 207
OAK LAWN, IL 60453
Cook County (708) 684-5340
ANNE C POTTS M.D.
Obstetrics & Gynecology (Maternal & Fetal Medicine)
4400 W 95TH ST STE 207
OAK LAWN, IL 60453
Cook County (708) 684-0000
DIVYA BAKTHA RAMACHANDRA MS
Genetic Counselor, MS
4400 W 95TH ST STE 207
OAK LAWN, IL 60453
Cook County (708) 684-1563

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 Kannan Sundar's NPI number?

The NPI number for Kannan Sundar is 1942424486. It was assigned to this individual provider in the NPPES registry on April 13, 2007.

Where is Kannan Sundar located?

Kannan Sundar practices at 4400 W 95th St Ste 207, Oak Lawn, IL 60453. The listed phone number is (708) 684-4637.

What is Kannan Sundar's specialty?

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

Is Kannan Sundar enrolled in Medicare?

Yes. Kannan Sundar is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Kannan Sundar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kannan Sundar reassigns Medicare benefits to 2 organizations: Obhg Illinois Sc (Berwyn, IL) and Genesis Health System (Davenport, IA). 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 Kannan Sundar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kannan Sundar accept?

Health plans from Wellmark Health Plan of Iowa, Inc. list Kannan Sundar 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 Kannan Sundar was last updated on September 19, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.