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OSAMA SIDDIQUI
NPI 1225512270
Internal Medicine in Evanston, IL

Active since September 15, 2018PECOS Enrolled
2650 RIDGE AVE STE 130, EVANSTON, IL 60201(847) 570-2700 Get Directions Write a Review

NPPES record last updated: March 16, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 16, 2026, May 2, 2023, Sep 15, 2018 (3 updates tracked since 2018).

About Osama Siddiqui NPPES

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

OSAMA SIDDIQUI (NPI 1225512270) is an individual internal medicine provider in Evanston, Illinois, licensed in Illinois (036178982) and active in the NPI registry since September 2018. He is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and is a graduate of Northwestern University Feinberg Medical School (2023).

NPPES Registry Identity

NPI1225512270
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameOSAMA SIDDIQUI
Location Address2650 RIDGE AVE STE 130Evanston, IL 60201-1700
Mailing Address2650 Ridge Ave Ste 1223Evanston, IL 60201-1700
Phone(847) 570-2700
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2023
Enumeration DateSeptember 15, 2018
Last NPPES UpdateMarch 16, 20263 updates tracked since enumeration
NPPES CertifiedMarch 16, 2026
✔ NPI 1225512270 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in IL · 036178982✔ Licensed in IL · 125.081278
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.
2650 RIDGE AVE STE 130, Evanston, IL 60201
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Osama Siddiqui is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8921467986
PECOS Enrollment IDI20260319002606
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.

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

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
$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.

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 Osama Siddiqui's NPI number?

The NPI number for Osama Siddiqui is 1225512270. It was assigned to this individual provider in the NPPES registry on September 15, 2018.

Where is Osama Siddiqui located?

Osama Siddiqui practices at 2650 Ridge Ave Ste 130, Evanston, IL 60201. The listed phone number is (847) 570-2700.

What is Osama Siddiqui's specialty?

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

Is Osama Siddiqui enrolled in Medicare?

Yes. Osama Siddiqui is registered in the Medicare PECOS enrollment system.

Is Osama Siddiqui affiliated with any hospitals?

According to CMS data, Osama Siddiqui is affiliated with Northshore University Healthsystem - Evanston Hospital.

When was this NPI record last updated?

The NPPES record for Osama Siddiqui was last updated on March 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.