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SOWMYA NARAYANAN MD PHD
NPI 1932698271
Colon & Rectal Surgery in Chicago, IL

Active since May 02, 2018PECOS EnrolledAccepts Medicare Assignment
259 E ERIE ST STE 1600, CHICAGO, IL 60611(312) 695-6868(312) 695-2729 Get Directions Write a Review

NPPES record last updated: September 2, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 2, 2025, May 2, 2018 (2 updates tracked since 2018).

About Sowmya Narayanan Md Phd NPPES

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

SOWMYA NARAYANAN MD PHD (NPI 1932698271) is an individual colon & rectal surgery provider in Chicago, Illinois, licensed in Illinois (036176654) and active in the NPI registry since May 2018. She is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and maintains a secondary practice location in Pittsburgh.

NPPES Registry Identity

NPI1932698271
Entity TypeIndividualFemale
Primary Taxonomy208C00000X
Provider Legal NameSOWMYA NARAYANANCredential: MD PHD
Location Address259 E ERIE ST STE 1600Chicago, IL 60611-3111
Mailing Address3600 Forbes Avenue, Forbes Tower - Plaza Level Suite 140Pittsburgh, PA 15213
Phone(312) 695-6868
Fax(312) 695-2729
Sole ProprietorNo
Medical School CMSUniversity Of Virginia School Of MedicineGraduated 2018
Enumeration DateMay 2, 2018
Last NPPES UpdateSeptember 2, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 2, 2025
✔ NPI 1932698271 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyColon & Rectal SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208C00000X
License✔ Licensed in IL · 036176654
Definition
A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
259 E ERIE ST STE 1600, Chicago, IL 60611
Open in Google Maps ↗

Secondary Practice Location 1

Location 1200 Lothrop Street, Room F677 PUHPittsburgh, PA 15213 · Phone (412) 647-3389

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

Sowmya Narayanan Md Phd 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 ID6002354610
PECOS Enrollment IDI20250916001974
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 Reassignment

Medicare enrollment records show Sowmya Narayanan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Northwestern Medical Faculty Foundation
34 mi
Multi-Specialty
DEPT 5777
Carol Stream, IL 60122
  • Reassigned Medicare billing, Illinois enrollment
  • 4,817 clinicians in this Medicare group
NPI 1346235314 (855) 694-2866

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

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

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140281
Location251 E Huron StChicago, IL 60611 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
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.

ATHENA CROWLEY APRN, CNP
Nurse Practitioner
259 E ERIE ST STE 1600
CHICAGO, IL 60611
Cook County (312) 695-5620
DR. JOSEPH ALDEN HERROLD MD, MPH
Surgery (Trauma Surgery)
259 E ERIE ST STE 1600
CHICAGO, IL 60611
Cook County (312) 695-8918
ANDRES DUARTE MD
Internal Medicine (Hepatology)
259 E ERIE ST STE 1600
CHICAGO, IL 60611
Cook County (312) 695-4837
MR. DOMENICO ASCENZIO JOHN FARINA
Internal Medicine (Gastroenterology)
259 E ERIE ST STE 1600
CHICAGO, IL 60611
Cook County (312) 695-5620
PATRICIA PIMENTEL ARAUJO RD
Dietitian, Registered
259 E ERIE ST STE 1600
CHICAGO, IL 60611
Cook County (312) 695-5620
MS. AMY M LADEWSKI PA-C
Physician Assistant
259 E ERIE ST STE 1600
CHICAGO, IL 60611
Cook County (312) 695-5620
BAILEY R HANSELMAN DNP, APRN, FNP-C
Nurse Practitioner
259 E ERIE ST STE 1600
CHICAGO, IL 60611
Cook County (312) 695-5620
MS. SARAH M FAURER PA-C
Physician Assistant
259 E ERIE ST STE 1600
CHICAGO, IL 60611
Cook County (312) 695-7070

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 Sowmya Narayanan's NPI number?

The NPI number for Sowmya Narayanan is 1932698271. It was assigned to this individual provider in the NPPES registry on May 2, 2018.

Where is Sowmya Narayanan located?

Sowmya Narayanan practices at 259 E Erie St Ste 1600, Chicago, IL 60611. The listed phone number is (312) 695-6868.

What is Sowmya Narayanan's specialty?

The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.

Is Sowmya Narayanan enrolled in Medicare?

Yes. Sowmya Narayanan 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 organization bills Medicare for Sowmya Narayanan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sowmya Narayanan reassigns Medicare benefits to Northwestern Medical Faculty Foundation (Carol Stream, IL). The 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 Sowmya Narayanan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Sowmya Narayanan affiliated with any hospitals?

According to CMS data, Sowmya Narayanan is affiliated with Northshore University Healthsystem - Evanston Hospital and Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Sowmya Narayanan was last updated on September 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.