DR. ANKITA MAHAJAN DO
NPI 1639608680
Obstetrics & Gynecology in Oak Lawn, IL

Active since June 05, 2017PECOS EnrolledAccepts Medicare Assignment
4400 W 95TH ST STE 205, OAK LAWN, IL 60453(708) 684-5340 Get Directions Write a Review

NPPES record last updated: January 7, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 7, 2026, Dec 14, 2021, Jun 5, 2017 (3 updates tracked since 2017).

About Dr. Ankita Mahajan Do NPPES

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

DR. ANKITA MAHAJAN DO (NPI 1639608680) is an individual obstetrics & gynecology provider in Oak Lawn, Illinois, licensed in Illinois (125070721) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS, is affiliated with Advocate Christ Hospital & Medical Center, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1639608680
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. ANKITA MAHAJANCredential: DO
Location Address4400 W 95TH ST STE 205Oak Lawn, IL 60453-2658
Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateJune 5, 2017
Last NPPES UpdateJanuary 7, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 7, 2026
NPI 1639608680 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 · 125070721
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.

4400 W 95TH ST STE 205, Oak Lawn, IL 60453

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Ankita Mahajan Do 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 ID1658641402
PECOS Enrollment IDI20210607002458
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Advocate Christ Hospital & Medical Center

Acute Care Hospitals · Oak Lawn, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140208
Location4440 W 95th StreetOak Lawn, IL 60453 · Cook County
Emergency services Birthing friendly

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 9

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

Obstetrics & Gynecology
4400 W 95TH ST STE 205
OAK LAWN, IL 60453
Nurse Practitioner (Family)
4400 W 95TH ST STE 205
OAK LAWN, IL 60453
Obstetrics & Gynecology
4400 W 95TH ST STE 205
OAK LAWN, IL 60453
Obstetrics & Gynecology
4400 W 95TH ST STE 205
OAK LAWN, IL 60453
Nurse Practitioner (Women's Health)
4400 W 95TH ST STE 205
OAK LAWN, IL 60453
Obstetrics & Gynecology
4400 W 95TH ST STE 205
OAK LAWN, IL 60453
Obstetrics & Gynecology
4400 W 95TH ST STE 205
OAK LAWN, IL 60453
Obstetrics & Gynecology
4400 W 95TH ST STE 205
OAK LAWN, IL 60453

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 Ankita Mahajan's NPI number?

The NPI number for Ankita Mahajan is 1639608680. It was assigned to this individual provider in the NPPES registry on June 5, 2017.

Where is Ankita Mahajan located?

Ankita Mahajan practices at 4400 W 95th St Ste 205, Oak Lawn, IL 60453. The listed phone number is (708) 684-5340.

What is Ankita Mahajan's specialty?

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

Is Ankita Mahajan enrolled in Medicare?

Yes. Ankita Mahajan 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.

What insurance does Ankita Mahajan accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Ankita Mahajan 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.

Is Ankita Mahajan affiliated with any hospitals?

According to CMS data, Ankita Mahajan is affiliated with Advocate Christ Hospital & Medical Center.

When was this NPI record last updated?

The NPPES record for Ankita Mahajan was last updated on January 7, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.