DR. MICHAEL GREENSPAN MD
NPI 1942520127
Internal Medicine - Gastroenterology in Elmhurst, IL

Active since June 10, 2010PECOS EnrolledAccepts Medicare Assignment
91.35/100
CMS Quality Rating
133 E BRUSH HILL RD STE 310, ELMHURST, IL 60126(331) 221-9003(331) 221-2743 Get Directions Write a Review

NPPES record last updated: May 26, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 26, 2021, Aug 3, 2017 (2 updates tracked since 2017).

About Dr. Michael Greenspan Md NPPES

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

DR. MICHAEL GREENSPAN MD (NPI 1942520127) is an individual gastroenterology provider in Elmhurst, Illinois, licensed in Illinois (036131144) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, is affiliated with Elmhurst Memorial Hospital, and is a graduate of Rush Medical College Of Rush University (2010).

NPPES Registry Identity

NPI1942520127
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. MICHAEL GREENSPANCredential: MD
Location Address133 E BRUSH HILL RD STE 310Elmhurst, IL 60126-5662
Mailing Address4201 Winfield Rd Fl 4Warrenville, IL 60555-4025 · (331) 221-6377 · Fax (331) 221-2357
Fax(331) 221-2743
Sole ProprietorNo
Medical School CMSRush Medical College Of Rush UniversityGraduated 2010
Enumeration DateJune 10, 2010
Last NPPES UpdateMay 26, 20212 updates tracked since enumeration
NPPES CertifiedMay 26, 2021
NPI 1942520127 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 · 036131144
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.
133 E BRUSH HILL RD STE 310, Elmhurst, IL 60126

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. Michael Greenspan 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 ID5193015345
PECOS Enrollment IDI20160721000341
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 14

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.

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 services82 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.
68 services67 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.
63 services54 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.
55 services53 patients
Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope through mouth 43237
This procedure involves a flexible tube with a camera and ultrasound device, inserted through the mouth to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like inflammation, tumors, or other abnormalities.
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.
36 services36 patients

Hospital Affiliations CMS Care Compare

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

Elmhurst Memorial Hospital

Acute Care Hospitals · Elmhurst, IL
4/5 CMS rating
OwnershipProprietary
CMS Certification Number140200
Location155 East Brush Hill RoadElmhurst, IL 60126 · Du Page County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60126 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
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
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.

91.35/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.71
Promoting Interoperability100
Improvement Activities40

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.

Physician Assistant
133 E BRUSH HILL RD STE 310
ELMHURST, IL 60126
Nurse Practitioner
133 E BRUSH HILL RD STE 310
ELMHURST, IL 60126
Internal Medicine (Pulmonary Disease)
133 E BRUSH HILL RD STE 310
ELMHURST, IL 60126
Internal Medicine (Endocrinology, Diabetes & Metabolism)
133 E BRUSH HILL RD STE 310
ELMHURST, IL 60126
Nurse Practitioner
133 E BRUSH HILL RD STE 310
ELMHURST, IL 60126
Internal Medicine (Pulmonary Disease)
133 E BRUSH HILL RD STE 310
ELMHURST, IL 60126
Internal Medicine (Gastroenterology)
133 E BRUSH HILL RD STE 310
ELMHURST, IL 60126
Internal Medicine (Gastroenterology)
133 E BRUSH HILL RD STE 310
ELMHURST, IL 60126

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 Michael Greenspan's NPI number?

The NPI number for Michael Greenspan is 1942520127. It was assigned to this individual provider in the NPPES registry on June 10, 2010.

Where is Michael Greenspan located?

Michael Greenspan practices at 133 E Brush Hill Rd Ste 310, Elmhurst, IL 60126. The listed phone number is (331) 221-9003.

What is Michael Greenspan's specialty?

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

Is Michael Greenspan enrolled in Medicare?

Yes. Michael Greenspan 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 Michael Greenspan accept?

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

According to CMS data, Michael Greenspan is affiliated with Elmhurst Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Michael Greenspan was last updated on May 26, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.