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

DR. ZOHAIR AHMED M.D.
NPI 1578826939
Internal Medicine - Gastroenterology in Peoria, IL

Active since June 20, 2012PECOS Enrolled
530 NE GLEN OAK AVE, PEORIA, IL 61637(309) 655-2730 Get Directions Write a Review

NPPES record last updated: July 15, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 15, 2026, Jul 8, 2024, Dec 28, 2022 and 3 more (6 updates tracked since 2020).

About Dr. Zohair Ahmed M.d. NPPES

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

DR. ZOHAIR AHMED M.D. (NPI 1578826939) is an individual gastroenterology provider in Peoria, Illinois, licensed in Illinois (036138701) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS, is affiliated with Presence Saint Joseph Medical Center, and maintains 5 additional practice locations.

NPPES Registry Identity

NPI1578826939
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. ZOHAIR AHMEDCredential: M.D.
Location Address530 NE GLEN OAK AVEPeoria, IL 61637-0001
Mailing Address220 E Illinois St Apt 2612Chicago, IL 60611-4498 · (630) 699-9247
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateJune 20, 2012
Last NPPES UpdateJuly 15, 20266 updates tracked since enumeration
NPPES CertifiedJuly 15, 2026
NPI 1578826939 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses Licensed in IL · 036138701 Licensed in IN · 01083881A
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 125061405 (IL), 01083881A (IN)
530 NE GLEN OAK AVE, Peoria, IL 61637

Secondary Practice Locations 5

Location 1530 NE Glen Oak AvePeoria, IL 61637-0001 · Phone (309) 655-2730
Location 2770 Indian Boundary Rd Ste 200Chesterton, IN 46304-1519 · Phone (219) 921-2000
Location 32590 Morthland DrValparaiso, IN 46385-6701 · Phone (219) 872-6566
Location 48865 W 400 N Ste 155Michigan City, IN 46360-9010 · Phone (219) 872-6566
Location 52160 S 1st AveMaywood, IL 60153-3328 · Phone (708) 783-2226

Other Identifiers 1

Medicaid300038741IN

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Zohair Ahmed M.d. 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 ID4981918224
PECOS Enrollment IDI20150903002179, I20200601000146
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.

Areas of Expertise CMS Part B claims 13

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 hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
154 services110 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
120 services116 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
78 services59 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
39 services39 patients
Ultrasound guided needle aspiration or biopsy of esophagus using a flexible endoscope 43238
An ultrasound guided needle aspiration or biopsy of the esophagus involves using a flexible tube with a camera (endoscope) to view your esophagus. An ultrasound device on the endoscope helps to guide a needle to take a small tissue sample for testing. This is a safe, minimally invasive procedure.
28 services25 patients
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235
This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.
27 services27 patients

Hospital Affiliations CMS Care Compare 5

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

Presence Saint Joseph Medical Center

Acute Care Hospitals · Joliet, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140007
Location333 N Madison StJoliet, IL 60435 · Will County
Emergency services Birthing friendly

Franciscan Health Olympia & Chicago Heights

Acute Care Hospitals · Olympia Fields, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140172
Location20201 S Crawford AvenueOlympia Fields, IL 60461 · Cook County
Emergency services Birthing friendly

Loyola University Medical Center

Acute Care Hospitals · Maywood, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140276
Location2160 S 1st AvenueMaywood, IL 60153 · Cook County
Emergency services Birthing friendly

Franciscan Health Michigan City

Acute Care Hospitals · Michigan City, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number150015
Location3500 Franciscan WayMichigan City, IN 46360 · La Porte County
Emergency services Birthing friendly

Franciscan Health Munster

Acute Care Hospitals · Munster, IN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150165
Location701 Superior AveMunster, IN 46321 · Lake County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 61637 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
$127.46 typical visit price
range $54.80 – $168.44
Typical copayment $31.86 (range $13.70 – $42.11)
Most-billed visit code 99204
Established Patient
$97.25 typical visit price
range $17.16 – $136.56
Typical copayment $24.31 (range $4.29 – $34.14)
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.

Psychiatry & Neurology (Neurology)
530 NE GLEN OAK AVE
PEORIA, IL 61637
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
Student in an Organized Health Care Education/Training Program
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

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 Zohair Ahmed's NPI number?

The NPI number for Zohair Ahmed is 1578826939. It was assigned to this individual provider in the NPPES registry on June 20, 2012.

Where is Zohair Ahmed located?

Zohair Ahmed practices at 530 NE Glen Oak Ave, Peoria, IL 61637. The listed phone number is (309) 655-2730.

What is Zohair Ahmed's specialty?

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

Is Zohair Ahmed enrolled in Medicare?

Yes. Zohair Ahmed 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.

What insurance does Zohair Ahmed accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and CareSource list Zohair Ahmed 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 Zohair Ahmed affiliated with any hospitals?

According to CMS data, Zohair Ahmed is affiliated with Presence Saint Joseph Medical Center, Franciscan Health Olympia & Chicago Heights, Loyola University Medical Center, Franciscan Health Michigan City and Franciscan Health Munster.

When was this NPI record last updated?

The NPPES record for Zohair Ahmed was last updated on July 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 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.