Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

AFFAN AHMAD MD
NPI 1831658822
Anesthesiology in Peoria, IL

Active since March 18, 2019PECOS EnrolledAccepts Medicare Assignment
530 NE GLEN OAK AVE, PEORIA, IL 61637(309) 655-2000 Get Directions Write a Review

NPPES record last updated: September 23, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 23, 2026, Aug 7, 2026, Aug 6, 2025 and 3 more (6 updates tracked since 2019).

About Affan Ahmad Md NPPES

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

AFFAN AHMAD MD (NPI 1831658822) is an individual anesthesiology provider in Peoria, Illinois, licensed in Illinois (036169617) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Saint Francis Medical Center, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1831658822
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameAFFAN AHMADCredential: MD
Location Address530 NE GLEN OAK AVEPeoria, IL 61637-0001
Mailing Address4180 Heartleaf LnNaperville, IL 60564-1158 · (913) 907-6537
Sole ProprietorNo
Medical School CMSUniversity Of Missouri, Kansas City, School Of MedicineGraduated 2020
Enumeration DateMarch 18, 2019
Last NPPES UpdateSeptember 23, 20266 updates tracked since enumeration
NPPES CertifiedSeptember 23, 2026
✔ NPI 1831658822 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in IL · 036169617✔ Licensed in NY · 334222
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
530 NE GLEN OAK AVE, Peoria, IL 61637

Secondary Practice Locations 3

Location 110400 Haligus RdHuntley, IL 60142-9553 · Phone (224) 654-0000
Location 2818 Ellicott StBuffalo, NY 14203-1021 · Phone (716) 323-2000
Location 3515 Main StOlean, NY 14760-1513 · Phone (716) 373-2600

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

Affan Ahmad 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 ID2264842608
PECOS Enrollment IDI20240628000946, I20250819004997
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

7

Medicare enrollment records show Affan Ahmad reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Psychiatric Unit
221 NE GLEN OAK AVE
Peoria, IL 61636
  • Reassigned Medicare billing, Illinois enrollment
  • Also billed through NPI 1710198379 (Illinois)
  • 693 clinicians in this Medicare group
Anesthesiology
6742 N FROSTWOOD PKWY
Peoria, IL 61615
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Associated Anesthesiologists Sc
  • 337 clinicians in this Medicare group
Internal Medicine
611 W PARK ST
Urbana, IL 61801
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Carle Health Care Incorporated
  • 2,516 clinicians in this Medicare group
Infusion Therapy
255 TOWN SQ
Wheaton, IL 60189
  • Reassigned Medicare billing, Illinois enrollment
Internal Medicine
2525 S MICHIGAN AVE
Chicago, IL 60616
  • Reassigned Medicare billing, Illinois enrollment
  • 354 clinicians in this Medicare group
Specialist
818 ELLICOTT ST
Buffalo, NY 14203
  • Reassigned Medicare billing, New York enrollment
  • 182 clinicians in this Medicare group
Anesthesiology
2000 E LAMAR BLVD STE 400
Arlington, TX 76006
  • Reassigned Medicare billing, Illinois enrollment
  • 735 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

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.

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
15 services15 patients

Hospital Affiliations CMS Care Compare 4

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

Saint Francis Medical Center

Acute Care Hospitals · Peoria, IL
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140067
Location530 NE Glen Oak AvePeoria, IL 61637 · Peoria County
Emergency services Birthing friendly

Insight Hospital And Medical Center Chicago

Acute Care Hospitals · Chicago, IL
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140158
Location2525 S Michigan AveChicago, IL 60616 · Cook County
Emergency services

Methodist Medical Center Of Illinois

Acute Care Hospitals · Peoria, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140209
Location221 N E Glen Oak AvePeoria, IL 61636 · Peoria County
Emergency services Birthing friendly

Olean General Hospital

Acute Care Hospitals · Olean, NY
1/5 CMS rating
OwnershipProprietary
CMS Certification Number330103
Location515 Main StreetOlean, NY 14760 · Cattaraugus County
Emergency services Birthing friendly

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.

Pathology (Anatomic Pathology & Clinical Pathology)
530 NE GLEN OAK AVE, CENTRAL ILLINOIS PATHOLOGY SC
PEORIA, IL 61637
Pediatrics
530 NE GLEN OAK AVE
PEORIA, IL 61637
Surgery
530 NE GLEN OAK AVE
PEORIA, IL 61637
Student in an Organized Health Care Education/Training Program
530 NE GLEN OAK AVE
PEORIA, IL 61637
Student in an Organized Health Care Education/Training Program
530 NE GLEN OAK AVE
PEORIA, IL 61637
Student in an Organized Health Care Education/Training Program
530 NE GLEN OAK AVE
PEORIA, IL 61637
Student in an Organized Health Care Education/Training Program
530 NE GLEN OAK AVE
PEORIA, IL 61637
Internal Medicine (Interventional Cardiology)
530 NE GLEN OAK AVE
PEORIA, IL 61637

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 Affan Ahmad's NPI number?

The NPI number for Affan Ahmad is 1831658822. It was assigned to this individual provider in the NPPES registry on March 18, 2019.

Where is Affan Ahmad located?

Affan Ahmad practices at 530 NE Glen Oak Ave, Peoria, IL 61637. The listed phone number is (309) 655-2000.

What is Affan Ahmad's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Affan Ahmad enrolled in Medicare?

Yes. Affan Ahmad 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 Affan Ahmad's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Affan Ahmad reassigns Medicare benefits to 7 organizations: Methodist Medical Center Of Illinois (Peoria, IL), Associated Anesthesiologists, S.C. (Peoria, IL), Carle Health Medical Group (Urbana, IL), Livbetter PLLC (Wheaton, IL), Insight Chicago, Inc. (Chicago, IL) and 2 more organizations, 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 Affan Ahmad's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Affan Ahmad accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Affan Ahmad 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 Affan Ahmad affiliated with any hospitals?

According to CMS data, Affan Ahmad is affiliated with Saint Francis Medical Center, Insight Hospital And Medical Center Chicago, Methodist Medical Center Of Illinois and Olean General Hospital.

When was this NPI record last updated?

The NPPES record for Affan Ahmad was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days 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.