DR. BASIL AHMAD ALI MD
NPI 1437531811
Internal Medicine in Chicago, IL

Active since June 23, 2015PECOS EnrolledAccepts Medicare Assignment
2525 S MICHIGAN AVE, CHICAGO, IL 60616(815) 519-9261 Get Directions Write a Review

NPPES record last updated: June 17, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jun 17, 2025, Dec 6, 2021 (2 updates tracked since 2021).

About Dr. Basil Ahmad Ali Md NPPES

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

DR. BASIL AHMAD ALI MD (NPI 1437531811) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036144602) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS, is affiliated with Osf Sacred Heart Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1437531811
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. BASIL AHMAD ALICredential: MD
Location Address2525 S MICHIGAN AVEChicago, IL 60616-2315
Mailing AddressPo Box 160Carthage, IL 62321-0160 · (217) 357-8627 · Fax (217) 357-8697
Sole ProprietorNo
Medical School CMSChicago College Of Medicine And SurgeryGraduated 2015
Enumeration DateJune 23, 2015
Last NPPES UpdateJune 17, 20252 updates tracked since enumeration
NPPES CertifiedJune 17, 2025
✔ NPI 1437531811 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 · 036144602
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.
2525 S MICHIGAN AVE, Chicago, IL 60616

Secondary Practice Locations 2

Location 11450 N County Road 2050 ECarthage, IL 62321-3551 · Phone (217) 357-8500 · Fax (217) 357-8696
Location 2150 W High StMorris, IL 60450-1497 · Phone (815) 942-2932

Accepted Insurance

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

Dr. Basil Ahmad Ali 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 ID6507112018
PECOS Enrollment IDI20180712002705
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 Reassignments

6

Medicare enrollment records show Basil Ali reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
1200 ROOSEVELT RD STE 140
Glen Ellyn, IL 60137
  • Reassigned Medicare billing, Illinois enrollment
  • 21 clinicians in this Medicare group
Internal Medicine
1525 OXFORD LN
Naperville, IL 60565
  • Reassigned Medicare billing, Illinois enrollment
  • 34 clinicians in this Medicare group
General Practice
25259 S REED ST
Channahon, IL 60410
  • Reassigned Medicare billing, Illinois enrollment
  • 207 clinicians in this Medicare group
Hospitalist
2200 E WASHINGTON ST
Bloomington, IL 61701
  • Reassigned Medicare billing, Illinois enrollment
  • 329 clinicians in this Medicare group
Critical Access
238 S CONGRESS ST
Rushville, IL 62681
  • Reassigned Medicare billing, Illinois enrollment
  • 111 clinicians in this Medicare group
Rural Health
1220 E TREMONT ST FRNT A
Hillsboro, IL 62049
  • Reassigned Medicare billing, Illinois enrollment
  • 59 clinicians in this Medicare group

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

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
823 services137 patients
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349
An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.
333 services241 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
196 services91 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
183 services153 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
102 services88 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
77 services34 patients

Hospital Affiliations CMS Care Compare 4

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

Osf Sacred Heart Medical Center

Acute Care Hospitals · Danville, IL
1/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140093
Location812 N Logan AveDanville, IL 61832 · Vermilion County
Emergency services Birthing friendly

Morris Hospital & Healthcare Centers

Acute Care Hospitals · Morris, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140101
Location150 W High StMorris, IL 60450 · Grundy County
Emergency services Birthing friendly

Saint James Hospital

Acute Care Hospitals · Pontiac, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140161
Location2500 West Reynolds StreetPontiac, IL 61764 · Livingston County
Birthing friendly

Gibson Community Hospital

Critical Access Hospitals · Gibson City, IL
OwnershipVoluntary non-profit - Private
CMS Certification Number141317
Location1120 N Melvin StreetGibson City, IL 60936 · Ford County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60616 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.

Referred Medical Equipment & Supplies CMS DME claims

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

Conforming bandage, non-elastic, knitted/woven, sterile, width greater than or equal to three inches and less than five inches, per yard A6446
DME-Medical/Surgical Supplies · category DA023N
1 supplier11 claims1,456 services$0.37 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.

Internal Medicine
2525 S MICHIGAN AVE
CHICAGO, IL 60616
Psychologist (Clinical)
2525 S MICHIGAN AVE, B-390
CHICAGO, IL 60616
Psychiatry & Neurology (Addiction Medicine)
2525 S MICHIGAN AVE, B-390
CHICAGO, IL 60616
Obstetrics & Gynecology
2525 S MICHIGAN AVE
CHICAGO, IL 60616
Student in an Organized Health Care Education/Training Program
2525 S MICHIGAN AVE
CHICAGO, IL 60616
Student in an Organized Health Care Education/Training Program
2525 S MICHIGAN AVE
CHICAGO, IL 60616
Internal Medicine (Critical Care Medicine)
2525 S MICHIGAN AVE
CHICAGO, IL 60616
Dentist (General Practice)
2525 S MICHIGAN AVE, 8TH FL
CHICAGO, IL 60616

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 Basil Ali's NPI number?

The NPI number for Basil Ali is 1437531811. It was assigned to this individual provider in the NPPES registry on June 23, 2015.

Where is Basil Ali located?

Basil Ali practices at 2525 S Michigan Ave, Chicago, IL 60616. The listed phone number is (815) 519-9261.

What is Basil Ali's specialty?

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

Is Basil Ali enrolled in Medicare?

Yes. Basil 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 organizations bill Medicare for Basil Ali's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Basil Ali reassigns Medicare benefits to 6 organizations: Skyline Physicians LLC (Glen Ellyn, IL), First Docs PC (Naperville, IL), Morris Hospital (Channahon, IL), Cep America-Illinois Hospitalists (Bloomington, IL), Schuyler County Hospital District (Rushville, IL) and 1 more organization, listed in the Medicare section above. Each 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 Basil Ali's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Basil Ali accept?

Health plans from Ambetter Health and Anthem Blue Cross and Blue Shield list Basil Ali 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 Basil Ali affiliated with any hospitals?

According to CMS data, Basil Ali is affiliated with Osf Sacred Heart Medical Center, Morris Hospital & Healthcare Centers, Saint James Hospital and Gibson Community Hospital.

When was this NPI record last updated?

The NPPES record for Basil Ali was last updated on June 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.