DR. WASAY UDDIN AHMED M.D
NPI 1023046356
Internal Medicine in Chicago, IL

Q: What is Wasay Ahmed's NPI number?

The NPI number for Wasay Ahmed is 1023046356. It was assigned to this individual provider in the NPPES registry on June 28, 2006.

Q: What is Wasay Ahmed's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Wasay Ahmed was last updated on April 21, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since June 28, 2006PECOS Enrolled

1901 W HARRISON ST, CHICAGO, IL 60612(312) 864-0000(312) 864-9566 Get Directions Write a Review

NPPES record last updated: April 21, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. Wasay Uddin Ahmed M.d NPPES

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

DR. WASAY UDDIN AHMED M.D (NPI 1023046356) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036085375) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1023046356

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. WASAY UDDIN AHMEDCredential: M.D

Location Address1901 W HARRISON STChicago, IL 60612-3714

Mailing Address373 E 17th StLombard, IL 60148-4905

Phone(312) 864-0000

Fax(312) 864-9566

Sole ProprietorNo

Enumeration DateJune 28, 2006

Last NPPES UpdateApril 21, 2021

NPPES CertifiedApril 21, 2021

✔ NPI 1023046356 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in IL · 036085375

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

1901 W HARRISON ST, Chicago, IL 60612

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Wasay Uddin Ahmed 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 Reassignment

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

Cook County

Same address

Multi-Specialty

1901 W HARRISON ST
Chicago, IL 60612

Reassigned Medicare billing, Illinois enrollment
1,047 clinicians in this Medicare group

NPI 1245350040 (312) 864-4649

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 60612 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

$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.

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.

JOHANNA WEFES-POTTER

Emergency Medicine

1901 W HARRISON ST
CHICAGO, IL 60612

Cook County (847) 843-2000

ARON BERHANU GUDETTA MD

Internal Medicine

1901 W HARRISON ST
CHICAGO, IL 60612

Cook County (312) 864-6000

DR. LIGAYA VILLAFRANCA MARASIGAN M.D.

Obstetrics & Gynecology (Gynecology)

1901 W HARRISON ST
CHICAG, IL 60612

Cook County (312) 864-5901

TIN TIN THOMAS M.D.

Internal Medicine

1901 W HARRISON ST
CHICAGO, IL 60612

Cook County (312) 864-6000

COOK COUNTY

Pharmacy (Clinic Pharmacy)

1901 W HARRISON ST
CHICAGO, IL 60612

Cook County (312) 864-6189

HELEN ELIZABETH STRAUS MD

Emergency Medicine

1901 W HARRISON ST
CHICAGO, IL 60612

Cook County (312) 864-0060

MR. GLEN DERRICK TRAMMELL PA-C

Physician Assistant

1901 W HARRISON ST
CHICAGO, IL 60612

Cook County (773) 869-7488

JOHN H STROGER, JR. HOSPITAL OF COOK COUNTY

General Acute Care Hospital

1901 W HARRISON ST
CHICAGO, IL 60612

Cook County (773) 319-2085

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 Wasay Ahmed's NPI number?

The NPI number for Wasay Ahmed is 1023046356. It was assigned to this individual provider in the NPPES registry on June 28, 2006.

Where is Wasay Ahmed located?

Wasay Ahmed practices at 1901 W Harrison St, Chicago, IL 60612. The listed phone number is (312) 864-0000.

What is Wasay Ahmed's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Wasay Ahmed enrolled in Medicare?

Yes. Wasay Ahmed is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Wasay Ahmed's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Wasay Ahmed reassigns Medicare benefits to Cook County (Chicago, 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 Wasay Ahmed's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Wasay Ahmed was last updated on April 21, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.