1. Home
  2. Directory
  3. Illinois
  4. Niles
  5. Internal Medicine
  6. NPI Profile

SAREENA ALI DO
NPI 1235716762
Internal Medicine - Gastroenterology in Niles, IL

Active since March 29, 2021PECOS EnrolledAccepts Medicare Assignment
7900 N MILWAUKEE AVE STE 19, NILES, IL 60714(847) 318-9595(847) 318-9599 Get Directions Write a Review

NPPES record last updated: June 25, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 25, 2025, Jun 19, 2024, Jun 14, 2021 and 1 more (4 updates tracked since 2021).

About Sareena Ali Do NPPES

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

SAREENA ALI DO (NPI 1235716762) is an individual gastroenterology provider in Niles, Illinois, licensed in Illinois (036.166496) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, is affiliated with Advocate Lutheran General Hospital, and is a graduate of Midwestern University, Chicago College Of Osteopathic Med (2021).

NPPES Registry Identity

NPI1235716762
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameSAREENA ALICredential: DO
Location Address7900 N MILWAUKEE AVE STE 19Niles, IL 60714-3239
Mailing Address7900 N Milwaukee Ave Ste 19Niles, IL 60714-3239 · (847) 318-9595 · Fax (847) 318-9599
Phone(847) 318-9595
Fax(847) 318-9599
Sole ProprietorNo
Medical School CMSMidwestern University, Chicago College Of Osteopathic MedGraduated 2021
Enumeration DateMarch 29, 2021
Last NPPES UpdateJune 25, 20254 updates tracked since enumeration
NPPES CertifiedJune 25, 2025
✔ NPI 1235716762 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in IL · 036.166496
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 036.166496 (IL)
7900 N MILWAUKEE AVE STE 19, Niles, IL 60714
Open in Google Maps ↗

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

Sareena Ali 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 ID5698219343
PECOS Enrollment IDI20240705000467
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 Sareena Ali reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Lutheran General Hospital
2.0 mi
Cardiovascular Disease
1775 DEMPSTER ST
Park Ridge, IL 60068
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Advocate Health And Hospitals Corporation
  • 4,870 clinicians in this Medicare group
NPI 1801809306 (847) 723-2210

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

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

Advocate Lutheran General Hospital

Acute Care Hospitals · Park Ridge, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140223
Location1775 Dempster StPark Ridge, IL 60068 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60714 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 13

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

SUFYAN ABDULMUJEEB
Internal Medicine
7900 N MILWAUKEE AVE STE 19
NILES, IL 60714
Cook County (847) 318-9595
MADELINE SESSELMANN DO
Internal Medicine (Gastroenterology)
7900 N MILWAUKEE AVE STE 19
NILES, IL 60714
Cook County (847) 318-9595
MICHELLE MELISSA ISHAYA DO
Internal Medicine (Gastroenterology)
7900 N MILWAUKEE AVE STE 19
NILES, IL 60714
Cook County (847) 318-9595
SAMIR ARVIND KAKODKAR M.D.
Internal Medicine (Gastroenterology)
7900 N MILWAUKEE AVE STE 19
NILES, IL 60714
Cook County (847) 318-9595
VIJETA REDDY PAMUDURTHY D.O.
Internal Medicine (Gastroenterology)
7900 N MILWAUKEE AVE STE 19
NILES, IL 60714
Cook County (815) 928-6274
DR. YANNIS SPIROS LAFAZANOS DO
Internal Medicine (Gastroenterology)
7900 N MILWAUKEE AVE STE 19
NILES, IL 60714
Cook County (847) 318-9595
ROBIN DAVID MD
Internal Medicine (Gastroenterology)
7900 N MILWAUKEE AVE STE 19
NILES, IL 60714
Cook County (847) 318-9595
ABDUL HASEEB MD
Internal Medicine (Gastroenterology)
7900 N MILWAUKEE AVE STE 19
NILES, IL 60714
Cook County (847) 318-9595

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 Sareena Ali's NPI number?

The NPI number for Sareena Ali is 1235716762. It was assigned to this individual provider in the NPPES registry on March 29, 2021.

Where is Sareena Ali located?

Sareena Ali practices at 7900 N Milwaukee Ave Ste 19, Niles, IL 60714. The listed phone number is (847) 318-9595.

What is Sareena Ali's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Sareena Ali enrolled in Medicare?

Yes. Sareena Ali 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 Sareena Ali's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sareena Ali reassigns Medicare benefits to Lutheran General Hospital (Park Ridge, 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 Sareena Ali's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Sareena Ali affiliated with any hospitals?

According to CMS data, Sareena Ali is affiliated with Advocate Lutheran General Hospital.

When was this NPI record last updated?

The NPPES record for Sareena Ali was last updated on June 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.