ZAHOOR A MAKHDOOM MD
NPI 1982667309
Internal Medicine - Gastroenterology in Carbondale, IL

Q: What is Zahoor Makhdoom's NPI number?

The NPI number for Zahoor Makhdoom is 1982667309. It was assigned to this individual provider in the NPPES registry on April 7, 2006.

Q: What is Zahoor Makhdoom's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Zahoor Makhdoom was last updated on August 12, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.

Active since April 07, 2006PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

1100 W DIANN LN, CARBONDALE, IL 62901(618) 549-8006(618) 549-8434 Get Directions Write a Review

NPPES record last updated: August 12, 2008. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Zahoor A Makhdoom Md NPPES

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

ZAHOOR A MAKHDOOM MD (NPI 1982667309) is an individual gastroenterology provider in Carbondale, Illinois, licensed in Illinois (036094155) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Herrin Hospital, and is a graduate of Other (2000).

NPPES Registry Identity

NPI1982667309

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameZAHOOR A MAKHDOOMCredential: MD

Location Address1100 W DIANN LNCarbondale, IL 62901-5339

Mailing AddressPo Box 365Carbondale, IL 62903-0365 · (618) 549-8006 · Fax (618) 549-8434

Phone(618) 549-8006

Fax(618) 549-8434

Sole ProprietorYes

Medical School CMSOtherGraduated 2000

Enumeration DateApril 7, 2006

Last NPPES UpdateAugust 12, 2008

✔ NPI 1982667309 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in IL · 036094155

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.

1100 W DIANN LN, Carbondale, IL 62901

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Other Identifiers 9

Medicaid036094155IL

Other036698Health Alliance

Medicare PIN210478IL

Other036094155IL · Bcbs

Medicare UPING55154

Other435384Healthlink

Other03926864IL · Bcbs Il

Medicare PINK13226

Medicare PIN100014657

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

Zahoor A Makhdoom 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 ID840256673

PECOS Enrollment IDI20041216000555

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 Zahoor Makhdoom reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern Illinois Gi Specialists LLC

Same address

Gastroenterology

1100 W DIANN LN
Carbondale, IL 62901

Reassigned Medicare billing, Illinois enrollment
4 clinicians in this Medicare group

NPI 1093775405 (618) 549-8006

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 27

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

5,558 services736 patients

Injection, midazolam hydrochloride, per 1 mg J2250

Midazolam hydrochloride is a medication injected to help you relax or sleep before surgery or certain medical procedures. It works by calming the brain and nerves. It's given in small doses, measured in milligrams (mg).

2,841 services774 patients

Injection, diphenhydramine hcl, up to 50 mg J1200

Diphenhydramine HCL injection is a medicine given to alleviate symptoms of allergies, colds, or hay fever. It can also help with motion sickness and certain symptoms of Parkinson's disease. Up to 50 mg may be administered depending on your condition.

1,086 services772 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

1,064 services346 patients

Injection, meperidine hydrochloride, per 100 mg J2175

Meperidine hydrochloride injection is a medication given to manage moderate to severe pain. It's a type of opioid analgesic, working in the brain to change how your body feels and responds to pain. It's administered in doses of 100mg.

1,012 services538 patients

Special stained specimen slides to identify organisms including interpretation and report 88312

This service involves coloring specimen slides in a special way to help identify organisms. The colors make different parts of the organism stand out. Afterward, a detailed interpretation and report on the findings are provided.

961 services384 patients

Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery 45384

This procedure involves using a flexible tube with a camera, called an endoscope, to view the large intestine. If any abnormal growths or polyps are found, they are removed with an electrically-heated instrument. This is a common way to prevent bowel issues.

540 services528 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

510 services501 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.

505 services412 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.

498 services274 patients

Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 43249

This procedure involves using a flexible tube with a camera, called an endoscope, to gently expand narrowed areas in your esophagus, stomach, or upper small bowel. A small balloon is inflated, making it easier for food and liquid to pass through. It's safe and effective.

278 services209 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

205 services205 patients

Removal of external hemorrhoids by rubber banding 46221

Rubber band ligation is a procedure used to treat external hemorrhoids. A doctor places small rubber bands around the base of the hemorrhoids. This cuts off blood supply, causing them to shrink and fall off, typically within a week.

201 services77 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

176 services168 patients

Ultrasound scan of organ tissue for measuring elasticity 76981

An ultrasound scan of organ tissue measures elasticity, or flexibility. This non-invasive procedure uses sound waves to create images of the inside of your body. It helps in assessing the health of various organs by detecting changes in their stiffness or softness.

143 services112 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

117 services99 patients

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

70 services69 patients

Diagnostic exam of lower portion of large bowel using a flexible endoscope 45330

This procedure, known as a sigmoidoscopy, involves using a flexible tube with a camera to examine the lower part of your large bowel. It helps in identifying issues like inflammation, ulcers, or abnormal growths. It's a safe, minimally invasive procedure.

49 services45 patients

Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare 43251

This procedure involves the use of a thin, flexible instrument called an endoscope to visualize and remove abnormal growths, known as polyps, from the esophagus, stomach, or upper small bowel. A tool called a mechanical snare is used to safely cut and remove these growths.

27 services26 patients

Ct scan of abdomen before and after contrast 74170

A CT scan of the abdomen before and after contrast is a diagnostic procedure. It involves taking detailed images of your abdomen area. Initially, images are taken without a contrast agent. Then, a contrast dye is given to highlight specific areas inside your body, helping to provide clearer images for better diagnosis.

20 services19 patients

Imaging of digestive tract done from the inside of the digestive tract 91110

This procedure, known as an endoscopy, involves a small camera being passed into the digestive tract. It helps doctors to see the inside of your digestive system in detail. This can aid in diagnosing conditions or planning treatments. It's generally safe and can provide valuable information.

20 services20 patients

Ct scan of abdomen and pelvis before and after contrast 74178

A CT scan of your abdomen and pelvis with and without contrast helps visualize your internal organs better. Contrast is a special dye that improves the clarity of the images. It's taken orally or injected into your veins before the scan. The process is painless and quick.

15 services13 patients

Diagnostic ct scan of large intestine without contrast 74261

A diagnostic CT scan of the large intestine without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed images of your large intestine. This helps detect abnormalities or diseases. It doesn't involve any dye or contrast material.

14 services14 patients

Injection beneath lining of large bowel using a flexible endoscope 45381

This procedure involves a flexible tube, called an endoscope, being inserted into the large bowel. A small needle is then passed through the tube to inject medication under the bowel lining. This is typically done to treat inflammation or bleeding.

12 services12 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

12 services12 patients

Removal of polyps or growths of lower large bowel using a flexible endoscope with electrical cautery 45333

This procedure involves using a flexible tool called an endoscope to examine the lower part of the large bowel. If any abnormal growths or polyps are found, they are removed using an electrical tool that burns and cuts tissue. This is done to prevent potential health issues.

11 services11 patients

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Herrin Hospital

Acute Care Hospitals · Herrin, IL

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140011

Location201 S 14th StHerrin, IL 62948 · Williamson County

Emergency services

Heartland Regional Medical Center

Acute Care Hospitals · Marion, IL

2/5 CMS rating

OwnershipProprietary

CMS Certification Number140184

Location3333 W DeyoungMarion, IL 62959 · Williamson County

Emergency services

Franklin Hospital

Critical Access Hospitals · Benton, IL

OwnershipGovernment - Hospital District or Authority

CMS Certification Number141321

Location201 Bailey LaneBenton, IL 62812 · Franklin County

Emergency services

Marshall Browning Hospital

Critical Access Hospitals · Du Quoin, IL

OwnershipVoluntary non-profit - Private

CMS Certification Number141331

Location900 North Washington StreetDu Quoin, IL 62832 · Perry County

Emergency services

St Joseph Memorial Hospital

Critical Access Hospitals · Murphysboro, IL

OwnershipVoluntary non-profit - Private

CMS Certification Number141334

Location2 South Hospital DriveMurphysboro, IL 62966 · Jackson County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62901 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

100

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 2

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

SOUTHERN ILLINOIS GI SPECIALISTS LLC

Internal Medicine (Gastroenterology)

1100 W DIANN LN
CARBONDALE, IL 62901

Jackson County (618) 549-8006

KAILE JEAN EGGEMEYER

Nurse Practitioner (Acute Care)

1100 W DIANN LN
CARBONDALE, IL 62901

Jackson County (618) 549-8006

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 Zahoor Makhdoom's NPI number?

The NPI number for Zahoor Makhdoom is 1982667309. It was assigned to this individual provider in the NPPES registry on April 7, 2006.

Where is Zahoor Makhdoom located?

Zahoor Makhdoom practices at 1100 W Diann Ln, Carbondale, IL 62901. The listed phone number is (618) 549-8006.

What is Zahoor Makhdoom's specialty?

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

Is Zahoor Makhdoom enrolled in Medicare?

Yes. Zahoor Makhdoom 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 Zahoor Makhdoom's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Zahoor Makhdoom reassigns Medicare benefits to Southern Illinois Gi Specialists LLC (Carbondale, 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 Zahoor Makhdoom's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Zahoor Makhdoom affiliated with any hospitals?

According to CMS data, Zahoor Makhdoom is affiliated with Herrin Hospital, Heartland Regional Medical Center, Franklin Hospital, Marshall Browning Hospital and St Joseph Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Zahoor Makhdoom was last updated on August 12, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.