AARON I. BENSON M.D.
NPI 1164508453
Internal Medicine - Gastroenterology in Mt Prospect, IL

Q: What is Aaron Benson's NPI number?

The NPI number for Aaron Benson is 1164508453. It was assigned to this individual provider in the NPPES registry on October 28, 2006.

Q: What is Aaron Benson'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 Aaron Benson was last updated on April 26, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since October 28, 2006PECOS EnrolledAccepts Medicare Assignment

89.66/100

CMS Quality Rating

199 W RAND RD, MT PROSPECT, IL 60056(847) 725-8401(847) 618-5459 Get Directions Write a Review

NPPES record last updated: April 26, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 26, 2021, Mar 5, 2020 (2 updates tracked since 2020).

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About Aaron I. Benson M.d. NPPES

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

AARON I. BENSON M.D. (NPI 1164508453) is an individual gastroenterology provider in Mt Prospect, Illinois, licensed in Illinois (036111463) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2000).

NPPES Registry Identity

NPI1164508453

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameAARON I. BENSONCredential: M.D.

Location Address199 W RAND RDMt Prospect, IL 60056-1151

Mailing Address199 W Rand RdMt Prospect, IL 60056-1151 · (847) 725-8401 · Fax (847) 618-5459

Phone(847) 725-8401

Fax(847) 618-5459

Sole ProprietorNo

Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2000

Enumeration DateOctober 28, 2006

Last NPPES UpdateApril 26, 20212 updates tracked since enumeration

NPPES CertifiedApril 26, 2021

✔ NPI 1164508453 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in IL · 036111463

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 036-111463 (IL)

199 W RAND RD, Mt Prospect, IL 60056

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware.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

Aaron I. Benson 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 ID7012017403

PECOS Enrollment IDI20070713000810

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.

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.

247 services195 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.

170 services170 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.

148 services148 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.

117 services117 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.

97 services96 patients

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.

63 services62 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.

43 services43 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.

42 services33 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

38 services37 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.

23 services23 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.

16 services16 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.

15 services15 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.

12 services12 patients

Hospital Affiliations CMS Care Compare 2

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

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 60056 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.

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.

89.66/100

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

Scored through an Alternative Payment Model

Quality

79.32

Promoting Interoperability

100

Improvement Activities

Leave this field empty

Other Providers at the Same Location NPPES 13

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

NORTHWEST COMMUNITY HEALTH SERVICES INC

Podiatrist

199 W RAND RD
MOUNT PROSPECT, IL 60056

Cook County (847) 618-5450

MARY FARLEY APRN

Nurse Practitioner

199 W RAND RD
MOUNT PROSPECT, IL 60056

Cook County (847) 618-5400

DR. ELIZABETH MORA PEREZ M.D.

Family Medicine

199 W RAND RD
MOUNT PROSPECT, IL 60056

Cook County (847) 618-5400

DR. AMI SHAH BEHARA M.D.

Internal Medicine (Gastroenterology)

199 W RAND RD
MT PROSPECT, IL 60056

Cook County (847) 725-8640

MISS REGINA WILLIAMS PA-C

Physician Assistant

199 W RAND RD
MOUNT PROSPECT, IL 60056

Cook County (847) 618-5400

MICHELLE M SEO MD

Internal Medicine

199 W RAND RD
MT PROSPECT, IL 60056

Cook County (847) 618-5450

DR. KATHRYN L EUBANKS MD

Internal Medicine

199 W RAND RD, #203
MOUNT PROSPECT, IL 60056

Cook County (847) 618-5450

DR. HYIM JOSHUA BARONOFSKY DPM

Podiatrist (Foot & Ankle Surgery)

199 W RAND RD
MT PROSPECT, IL 60056

Cook County (847) 725-8401

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 Aaron Benson's NPI number?

The NPI number for Aaron Benson is 1164508453. It was assigned to this individual provider in the NPPES registry on October 28, 2006.

Where is Aaron Benson located?

Aaron Benson practices at 199 W Rand Rd, Mt Prospect, IL 60056. The listed phone number is (847) 725-8401.

What is Aaron Benson's specialty?

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

Is Aaron Benson enrolled in Medicare?

Yes. Aaron Benson 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 Aaron Benson accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Aaron Benson 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 Aaron Benson affiliated with any hospitals?

According to CMS data, Aaron Benson is affiliated with Northshore University Healthsystem - Evanston Hospital and Northwest Community Hospital 1.

When was this NPI record last updated?

The NPPES record for Aaron Benson was last updated on April 26, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.