GREGORY GRUENER MD
NPI 1689640138
Psychiatry & Neurology - Neurology in Maywood, IL

Active since February 24, 2006PECOS EnrolledAccepts Medicare Assignment
2160 S 1ST AVE, MAGUIRE CENTER, RM. 2700, MAYWOOD, IL 60153(708) 216-2662(708) 216-5617 Get Directions Write a Review

NPPES record last updated: November 11, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Gregory Gruener Md NPPES

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

GREGORY GRUENER MD (NPI 1689640138) is an individual neurology provider in Maywood, Illinois, licensed in Illinois (36064200) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Loyola University Medical Center, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1979).

NPPES Registry Identity

NPI1689640138
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameGREGORY GRUENERCredential: MD
Location Address2160 S 1ST AVE, MAGUIRE CENTER, RM. 2700Maywood, IL 60153
Mailing Address2160 S 1st Ave, Maguire Center, Rm. 2700Maywood, IL 60153 · (708) 216-2662 · Fax (708) 216-5617
Fax(708) 216-5617
Sole ProprietorNo
Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 1979
Enumeration DateFebruary 24, 2006
Last NPPES UpdateNovember 11, 2021
NPPES CertifiedNovember 11, 2021
NPI 1689640138 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License Licensed in IL · 36064200
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
Also ListedPsychiatry & Neurology · Clinical NeurophysiologyTaxonomy 2084N0600X · License 36064200 (IL)
2160 S 1ST AVE, Maywood, IL 60153

Other Identifiers 1

Medicaid36064200IL

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

Gregory Gruener 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 ID3476581679
PECOS Enrollment IDI20050729000096
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 4

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.

Needle measurement of electrical activity in arm or leg muscles, limited study 95885
This procedure, known as an electromyography (EMG), involves placing tiny needles into your arm or leg muscles to measure their electrical activity. It's a limited study, meaning only specific muscles are tested. This helps identify any muscle or nerve dysfunction.
35 services30 patients
Needle measurement of electrical activity in arm or leg muscles, complete study 95886
This procedure, known as an electromyography (EMG), involves inserting a small needle into your arm or leg muscles to measure their electrical activity. This complete study helps diagnose issues with nerves or muscles, providing valuable data for your treatment plan.
29 services29 patients
Nerve conduction, 5-6 studies 95909
Nerve conduction studies involve testing the speed and strength of signals traveling through your nerves. This helps identify any nerve damage or dysfunction. For 5-6 studies, this means multiple nerves will be tested. Small electrodes are placed on your skin to send and receive signals, causing minimal discomfort.
23 services23 patients
Nerve conduction, 7-8 studies 95910
Nerve conduction studies involve testing the speed and strength of signals traveling through your nerves. This helps doctors identify nerve damage. In a 7-8 study procedure, 7-8 specific nerves are tested. You may feel a mild, brief tingling or shock during the test.
20 services20 patients

Hospital Affiliations CMS Care Compare

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

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60153 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 20

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

Radiology (Diagnostic Radiology)
2160 S 1ST AVE
MAYWOOD, IL 60153
Podiatrist (Foot & Ankle Surgery)
2160 S 1ST AVE
MAYWOOD, IL 60153
Psychiatry & Neurology (Neurology)
2160 S 1ST AVE
MAYWOOD, IL 60153
Oral & Maxillofacial Surgery
2160 S 1ST AVE
MAYWOOD, IL 60153
Psychiatry & Neurology (Psychiatry)
2160 S 1ST AVE
MAYWOOD, IL 60153
Student in an Organized Health Care Education/Training Program
2160 S 1ST AVE
MAYWOOD, IL 60153
Orthopaedic Surgery
2160 S 1ST AVE
MAYWOOD, IL 60153
Internal Medicine
2160 S 1ST AVE
MAYWOOD, IL 60153

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 Gregory Gruener's NPI number?

The NPI number for Gregory Gruener is 1689640138. It was assigned to this individual provider in the NPPES registry on February 24, 2006.

Where is Gregory Gruener located?

Gregory Gruener practices at 2160 S 1st Ave Maguire Center, Rm. 2700, Maywood, IL 60153. The listed phone number is (708) 216-2662.

What is Gregory Gruener's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Gregory Gruener enrolled in Medicare?

Yes. Gregory Gruener 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.

Is Gregory Gruener affiliated with any hospitals?

According to CMS data, Gregory Gruener is affiliated with Loyola University Medical Center.

When was this NPI record last updated?

The NPPES record for Gregory Gruener was last updated on November 11, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.