DR. SAHANA SOMASEGAR MD
NPI 1508359464
Obstetrics & Gynecology - Gynecologic Oncology in Evanston, IL

Q: What is Sahana Somasegar's NPI number?

The NPI number for Sahana Somasegar is 1508359464. It was assigned to this individual provider in the NPPES registry on June 14, 2018.

Q: What is Sahana Somasegar's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.

Q: When was this NPI record last updated?

The NPPES record for Sahana Somasegar was last updated on March 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since June 14, 2018PECOS EnrolledAccepts Medicare Assignment

2650 RIDGE AVE, KELLOGG CANCER CENTER, EVANSTON, IL 60201(847) 570-2639(847) 570-1041 Get Directions Write a Review

NPPES record last updated: March 30, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Mar 30, 2026, Aug 8, 2025, Jul 26, 2022 and 1 more (4 updates tracked since 2018).

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About Dr. Sahana Somasegar Md NPPES

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

DR. SAHANA SOMASEGAR MD (NPI 1508359464) is an individual gynecologic oncology provider in Evanston, Illinois, licensed in Illinois (036155335) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1508359464

Entity TypeIndividualFemale

Primary Taxonomy207VX0201X

Provider Legal NameDR. SAHANA SOMASEGARCredential: MD

Location Address2650 RIDGE AVE, KELLOGG CANCER CENTEREvanston, IL 60201-1718

Mailing Address2650 Ridge Ave # 1223Evanston, IL 60201-1700 · (847) 570-2040 · Fax (847) 570-5315

Phone(847) 570-2639

Fax(847) 570-1041

Sole ProprietorYes

Medical School CMSOtherGraduated 2018

Enumeration DateJune 14, 2018

Last NPPES UpdateMarch 30, 20264 updates tracked since enumeration

NPPES CertifiedMarch 30, 2026

✔ NPI 1508359464 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & Gynecology · Gynecologic OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207VX0201X

License✔ Licensed in IL · 036155335

Definition

An obstetrician/gynecologist who provides consultation and comprehensive management of patients with gynecologic cancer, including those diagnostic and therapeutic procedures necessary for the total care of the patient with gynecologic cancer and resulting complications.

Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License A177261 (CA), 036155335 (IL)

2650 RIDGE AVE, Evanston, IL 60201

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Secondary Practice Location 1

Location 15140 N. California Ave., Suite G115-GMPChicago, IL 60625 · Phone (847) 570-2112

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware.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. Sahana Somasegar Md 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 ID8022365303

PECOS Enrollment IDI20250806002354

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 2

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

Northshore University Healthsystem - Evanston Hospital

Acute Care Hospitals · Evanston, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140010

Location2650 Ridge AveEvanston, IL 60201 · Cook County

Emergency services Birthing friendly

Swedish Hospital

Acute Care Hospitals · Chicago, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140114

Location5145 N California AveChicago, IL 60625 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60201 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

$183.39 typical visit price

range $60.08 – $183.39

Typical copayment $45.84 (range $15.02 – $45.84)

Most-billed visit code 99205

Established Patient

$105.70 typical visit price

range $18.97 – $148.12

Typical copayment $26.42 (range $4.74 – $37.03)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

2 suppliers12 claims12 services$16.08 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

2 suppliers12 claims12 services$71.56 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DR. THOMAS LEE CIBULL M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

2650 RIDGE AVE, EVANSTON HOSPITAL
EVANSTON, IL 60201

Cook County (847) 570-2040

LAUREN ANDERSON MD

Hospitalist

2650 RIDGE AVE
EVANSTON, IL 60201

Cook County (847) 570-1027

DR. DANIEL K. WEST MD

Radiology (Diagnostic Radiology)

2650 RIDGE AVE, DEPARTMENT OF RADIOLOGY, G507
EVANSTON, IL 60201

Cook County (847) 570-2475

JOEL BERNSTEIN M.D.

Radiology (Diagnostic Radiology)

2650 RIDGE AVE, EVANSTON HOSPITAL
EVANSTON, IL 60201

Cook County (847) 570-1206

MATTHEW R. SHERWOOD MD

Internal Medicine

2650 RIDGE AVE, DIVISION OF INTERNAL MEDICINE RM 4324
EVANSTON, IL 60201

Cook County (847) 570-1010

MICHAEL T. GILLAM M.D.

Emergency Medicine

2650 RIDGE AVE, EMERGENCY MEDICINE RM G909
EVANSTON, IL 60201

Cook County (847) 570-2114

MARLENE ANGELICO CNP

Nurse Practitioner (Acute Care)

2650 RIDGE AVE, EMERGENCY MEDICINE, RM G903C
EVANSTON, IL 60201

Cook County (847) 570-1355

DR. SADIE ANNE LAPONSIE M.D.

Pediatrics

2650 RIDGE AVE
EVANSTON, IL 60201

Cook County (847) 570-2000

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 Sahana Somasegar's NPI number?

The NPI number for Sahana Somasegar is 1508359464. It was assigned to this individual provider in the NPPES registry on June 14, 2018.

Where is Sahana Somasegar located?

Sahana Somasegar practices at 2650 Ridge Ave Kellogg Cancer Center, Evanston, IL 60201. The listed phone number is (847) 570-2639.

What is Sahana Somasegar's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.

Is Sahana Somasegar enrolled in Medicare?

Yes. Sahana Somasegar 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 Sahana Somasegar accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Sahana Somasegar 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 Sahana Somasegar affiliated with any hospitals?

According to CMS data, Sahana Somasegar is affiliated with Northshore University Healthsystem - Evanston Hospital and Swedish Hospital.

When was this NPI record last updated?

The NPPES record for Sahana Somasegar was last updated on March 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.