DR. JACEK GRELA M.D.
NPI 1700850625
Internal Medicine in Lemont, IL

Active since February 15, 2006PECOS EnrolledAccepts Medicare Assignment
1011 STATE ST, SUITE 140, LEMONT, IL 60439(630) 754-0141 Get Directions Write a Review

NPPES record last updated: June 4, 2009. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Jacek Grela M.d. NPPES

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

DR. JACEK GRELA M.D. (NPI 1700850625) is an individual internal medicine provider in Lemont, Illinois, licensed in Illinois (036098225) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Advocate Christ Hospital & Medical Center, and is a graduate of Other (1992).

NPPES Registry Identity

NPI1700850625
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JACEK GRELACredential: M.D.
Location Address1011 STATE ST, SUITE 140Lemont, IL 60439-4768
Mailing Address10s570 Glenn DrBurr Ridge, IL 60527-6822 · (708) 636-1601 · Fax (708) 636-1825
Sole ProprietorNo
Medical School CMSOtherGraduated 1992
Enumeration DateFebruary 15, 2006
Last NPPES UpdateJune 4, 2009
NPI 1700850625 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses Licensed in IL · 036098225 Licensed in IL · 036-098225
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

1011 STATE ST, Lemont, IL 60439

Other Identifiers 3

Medicare ID-Type UnspecifiedK24707IL · Medicare
Medicaid036098225IL
Medicare UPINH02803IL

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. Jacek Grela 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 ID4981618055
PECOS Enrollment IDI20060127000141
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 43

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.
812 services172 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
356 services158 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
165 services91 patients
Albumin (protein) level 82040
The Albumin Level test measures the amount of albumin, a vital protein made by the liver, in your blood. This protein helps keep fluid in your bloodstream so it doesn't leak into other tissues. It's also vital for tissue growth and healing. Low or high levels can indicate certain health issues.
160 services123 patients
Amylase (enzyme) level 82150
Amylase is an enzyme that helps break down starches into sugars during digestion. An amylase level test measures the amount of this enzyme in your blood or urine. This test helps identify conditions like pancreatitis or other digestive issues.
160 services123 patients
Bilirubin level, total 82247
A total bilirubin level test is a blood test that helps check how well your liver is functioning. It measures bilirubin, a yellow substance your body creates when it breaks down red blood cells. High levels may indicate a problem with your liver or bile duct.
160 services123 patients

Hospital Affiliations CMS Care Compare 2

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

Advocate Christ Hospital & Medical Center

Acute Care Hospitals · Oak Lawn, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140208
Location4440 W 95th StreetOak Lawn, IL 60453 · Cook County
Emergency services Birthing friendly

Advocate Good Samaritan Hospital

Acute Care Hospitals · Downers Grove, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140288
Location3815 Highland AvenueDowners Grove, IL 60515 · Du Page County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60439 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.

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
28 suppliers78 claims176 services$6.01 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
20 suppliers44 claims47 services$0.94 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier12 claims12 services$15.77 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier15 claims15 services$63.20 avg. paid by Medicare
Standard wheelchair K0001
DME-Wheelchairs · category DD000N
1 supplier11 claims11 services$16.97 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 4

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

Legal Medicine
1011 STATE ST
LEMONT, IL 60439
Dentist (General Practice)
1011 STATE ST, # 110
LEMONT, IL 60439
Internal Medicine
1011 STATE ST, SUITE 140
LEMONT, IL 60439
Chiropractor
1011 STATE ST, SUITE 220
LEMONT, IL 60439

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 Jacek Grela's NPI number?

The NPI number for Jacek Grela is 1700850625. It was assigned to this individual provider in the NPPES registry on February 15, 2006.

Where is Jacek Grela located?

Jacek Grela practices at 1011 State St Suite 140, Lemont, IL 60439. The listed phone number is (630) 754-0141.

What is Jacek Grela's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Jacek Grela enrolled in Medicare?

Yes. Jacek Grela 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 Jacek Grela affiliated with any hospitals?

According to CMS data, Jacek Grela is affiliated with Advocate Christ Hospital & Medical Center and Advocate Good Samaritan Hospital.

When was this NPI record last updated?

The NPPES record for Jacek Grela was last updated on June 4, 2009. NPI Profile syncs with the weekly NPPES data releases published by CMS.