DR. MANI MAHDAVIAN MD
NPI 1992873624
Internal Medicine - Gastroenterology in Des Plaines, IL

Q: What is Mani Mahdavian's NPI number?

The NPI number for Mani Mahdavian is 1992873624. It was assigned to this individual provider in the NPPES registry on December 1, 2006.

Q: What is Mani Mahdavian'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 Mani Mahdavian was last updated on August 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 December 01, 2006PECOS EnrolledAccepts Medicare Assignment

150 N RIVER RD STE 210, DES PLAINES, IL 60016(847) 290-3800(847) 290-0889 Get Directions Write a Review

NPPES record last updated: August 22, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Mani Mahdavian Md NPPES

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

DR. MANI MAHDAVIAN MD (NPI 1992873624) is an individual gastroenterology provider in Des Plaines, Illinois, licensed in Illinois (036095201) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and is a graduate of Other (1992).

NPPES Registry Identity

NPI1992873624

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. MANI MAHDAVIANCredential: MD

Location Address150 N RIVER RD STE 210Des Plaines, IL 60016-1272

Mailing Address150 N River Rd Ste 210Des Plaines, IL 60016-1272 · (847) 290-3800 · Fax (847) 290-0889

Phone(847) 290-3800

Fax(847) 290-0889

Sole ProprietorNo

Medical School CMSOtherGraduated 1992

Enumeration DateDecember 1, 2006

Last NPPES UpdateAugust 22, 2024

NPPES CertifiedAugust 22, 2024

✔ NPI 1992873624 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 · 036095201

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.

150 N RIVER RD STE 210, Des Plaines, IL 60016

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Other Identifiers 2

Other100016030IL · Rail Road Medicare

Medicaid036095201IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Network Health and more.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. Mani Mahdavian 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 ID3072536309

PECOS Enrollment IDI20060112000291

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

Medicare enrollment records show Mani Mahdavian reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Midtown Gastroenterology And Liver Disease LLC

Same address

Gastroenterology

150 N RIVER RD STE 210
Des Plaines, IL 60016

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

NPI 1326871658 (847) 290-3800

Prime Healthcare Illinois Medical Group LLC

0.8 mi

Multi-Specialty

2380 E DEMPSTER ST
Des Plaines, IL 60016

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

NPI 1023837689 (833) 291-0464

Lakeshore Gastroenterology And Liver Disease Institute S.C.

12 mi

Gastroenterology

1 ERIE COURT, SUITE 3100
Oak Park, IL 60614

Reassigned Medicare billing, Illinois enrollment
Medicare enrollment name: Lakeshore Gastroenterology And Liver Disease Institute Sc
8 clinicians in this Medicare group

NPI 1528237765 (708) 763-8248

Saint Anthony Health Affiliates

16 mi

Multi-Specialty

2875 WEST 19TH STREET
Chicago, IL 60623

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

NPI 1295010056 (773) 484-4425

City Of Hope Medical Group Of Illinois PLLC

28 mi

Specialist

2520 ELISHA AVE
Zion, IL 60099

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

NPI 1548258072 (847) 746-4358

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 20

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

394 services343 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.

272 services261 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.

218 services218 patients

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.

184 services37 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

183 services183 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.

95 services90 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.

83 services83 patients

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

59 services59 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.

58 services38 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

50 services46 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

49 services49 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.

40 services37 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

37 services37 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.

37 services36 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.

27 services27 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.

22 services21 patients

Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43242

This procedure involves using an ultrasound to guide a needle to specific areas in the esophagus, stomach, or upper small bowel. A flexible endoscope is used to reach these areas. The needle collects a small sample for testing.

21 services21 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

21 services21 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.

13 services13 patients

Insertion of stent into pancreatic or bile duct using a flexible endoscope 43274

This procedure involves the placement of a tiny tube, known as a stent, into your pancreatic or bile duct. A flexible endoscope, a long, thin instrument with a light and camera, is used. It aids in relieving blockages and improving flow in these ducts.

13 services12 patients

Hospital Affiliations CMS Care Compare 5

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

Northshore University Healthsystem - Evanston Hospital

Acute Care Hospitals · Evanston, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140010

Location2650 Ridge AveEvanston, IL 60201 · Cook County

Emergency services Birthing friendly

Midwestern Region Med Center, Inc

Acute Care Hospitals · Zion, IL

5/5 CMS rating

OwnershipProprietary

CMS Certification Number140100

Location2520 Elisha AvenueZion, IL 60099 · Lake County

Emergency services

Amita Health Resurrection Medical Center

Acute Care Hospitals · Chicago, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140117

Location7435 W Talcott AvenueChicago, IL 60631 · Cook County

Emergency services Birthing friendly

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

Northwest Community Hospital 1

Acute Care Hospitals · Arlington Heights, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140252

Location800 W Central RoadArlington Heights, IL 60005 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60016 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 3

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

MIDTOWN GASTROENTEROLOGY AND LIVER DISEASE LLC

Internal Medicine (Gastroenterology)

150 N RIVER RD STE 210
DES PLAINES, IL 60016

Cook County (847) 290-3800

GINTARE KUCINSKE AGACNP-BC

Nurse Practitioner (Acute Care)

150 N RIVER RD STE 210
DES PLAINES, IL 60016

Cook County (847) 290-3800

TEENAMOL JOSEPH

Nurse Practitioner (Family)

150 N RIVER RD STE 210
DES PLAINES, IL 60016

Cook County (847) 290-3800

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 Mani Mahdavian's NPI number?

The NPI number for Mani Mahdavian is 1992873624. It was assigned to this individual provider in the NPPES registry on December 1, 2006.

Where is Mani Mahdavian located?

Mani Mahdavian practices at 150 N River Rd Ste 210, Des Plaines, IL 60016. The listed phone number is (847) 290-3800.

What is Mani Mahdavian's specialty?

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

Is Mani Mahdavian enrolled in Medicare?

Yes. Mani Mahdavian 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 Mani Mahdavian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mani Mahdavian reassigns Medicare benefits to 5 organizations: Midtown Gastroenterology And Liver Disease LLC (Des Plaines, IL), Prime Healthcare Illinois Medical Group LLC (Des Plaines, IL), Lakeshore Gastroenterology And Liver Disease Institute S.C. (Oak Park, IL), Saint Anthony Health Affiliates (Chicago, IL) and City Of Hope Medical Group Of Illinois PLLC (Zion, IL). 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 Mani Mahdavian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mani Mahdavian accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Network Health and Oscar Health list Mani Mahdavian 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 Mani Mahdavian affiliated with any hospitals?

According to CMS data, Mani Mahdavian is affiliated with Northshore University Healthsystem - Evanston Hospital, Midwestern Region Med Center, Inc, Amita Health Resurrection Medical Center, Advocate Lutheran General Hospital and Northwest Community Hospital 1.

When was this NPI record last updated?

The NPPES record for Mani Mahdavian was last updated on August 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.