GRACE HUEI CHANG MD
NPI 1639335029
Surgery - Surgical Critical Care in Downers Grove, IL

NPI Status: Active since August 05, 2008

Contact Information

3825 HIGHLAND AVE
TOWER 2, SUITE 107
DOWNERS GROVE, IL
ZIP 60515
Phone: (630) 275-3540

Get Directions Write a Review

  • Individual
  • Female
  • Years of Experience 20
  • Surgery
  • Surgical Critical Care
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About GRACE CHANG

This page provides the complete NPI Profile along with additional information for Grace Chang, a provider established in Downers Grove, Illinois with a medical specialization in Surgery, focusing in surgical critical care and more than 20 years of experience. She graduated from University Of Illinois College Of Med (chi/peor/rock/chm-urb) in 2006. The healthcare provider is registered in the NPI registry with number 1639335029 assigned on August 2008. The practitioner's primary taxonomy code is 2086S0102X with license number 036.124662 (IL). The provider is registered as an individual and her NPI record was last updated 7 years ago.

NPI
1639335029
Provider Name
GRACE HUEI CHANG MD
Gender
Female
Entity Type
Individual
Location Address
3825 HIGHLAND AVE TOWER 2, SUITE 107 DOWNERS GROVE, IL 60515
Location Phone
(630) 275-3540
Mailing Address
840 S WOOD ST # MC958 CHICAGO, IL 60612
Mailing Phone
(312) 355-4300
Medical School Name
UNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Graduation Year
2006
Is Sole Proprietor?
No
Enumeration Date
08-05-2008
Last Update Date
03-22-2019
Code Navigator

Location Map

Secondary Locations

  • 1801 W Taylor St OCC-3F
    Chicago, IL 60612
    (312) 355-4300

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Surgery Surgical Critical Care

Taxonomy Code
2086S0102X
Type
Allopathic & Osteopathic Physicians
License No.
036.124662
License State
IL
Taxonomy Description
A surgeon with expertise in the management of the critically ill and postoperative patient, particularly the trauma victim, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1208600000XAllopathic & Osteopathic Physicians

Surgery

125051308 (IL)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
036.124662MEDICAID (05)IL 

Medicare Participation & PECOS Enrollment Status

Grace Chang is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Grace Chang is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 941459317

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20120927000831

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Critical care, first 30-74 minutes

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

This service was performed 27 times for 15 patients

Follow-up hospital inpatient care per day, typically 25 minutes

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.

This service was performed 19 times for 15 patients

Upper gastrointestinal (GI) endoscopy for acid reflux

An upper GI endoscopy is a procedure to examine your esophagus and stomach using a thin, flexible tube called an endoscope. It helps diagnose conditions like acid reflux by identifying any inflammation or damage. It's generally safe, performed under sedation, and takes about 15-30 minutes.

This service was performed for 1-10 patients

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Grace Chang is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
MT SINAI HOSPITAL MEDICAL CENTER1500 S FAIRFIELD AVE
CHICAGO, IL 60608
(773) 542-2000Acute Care Hospitals

Reviews for GRACE HUEI CHANG MD

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1639335029, we treat the final digit (9) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
3
Doubled → 6
Pos 4
9
Unchanged
Pos 5
3
Doubled → 6
Pos 6
3
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
0
Unchanged
Pos 9
2
Doubled → 4
Check
9
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 3 → 6 3 → 6 5 → 10 → 1 2 → 4

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 6 + 6 + 9 + 6 + 3 + 1 + 0 + 0 + 4 + 24 = 61

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1639335029.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine
3825 HIGHLAND AVE, SUITE 5B
DOWNERS GROVE, IL 60515
Internal Medicine (Gastroenterology)
3825 HIGHLAND AVE, TOWER 2 - SUITE 302
DOWNERS GROVE, IL 60515
Internal Medicine (Gastroenterology)
3825 HIGHLAND AVE, TOWER 2 - SUITE 302
DOWNERS GROVE, IL 60515
Internal Medicine (Gastroenterology)
3825 HIGHLAND AVE, TOWER 2 - SUITE 302
DOWNERS GROVE, IL 60515
Internal Medicine
3825 HIGHLAND AVE, SUITE 3F
DOWNERS GROVE, IL 60515
Internal Medicine (Cardiovascular Disease)
3825 HIGHLAND AVE, SUITE 400
DOWNERS GROVE, IL 60515
Radiology (Vascular & Interventional Radiology)
3825 HIGHLAND AVE, TOWER 2 SUITE 400
DOWNERS GROVE, IL 60515
Internal Medicine (Clinical Cardiac Electrophysiology)
3825 HIGHLAND AVE, TOWER 2 SUITE 400
DOWNERS GROVE, IL 60515
Internal Medicine (Interventional Cardiology)
3825 HIGHLAND AVE, TOWER 2 SUITE 400
DOWNERS GROVE, IL 60515
Pharmacy (Community/Retail Pharmacy)
3825 HIGHLAND AVE, SUITE 5F
DOWNERS GROVE, IL 60515
Pediatrics
3825 HIGHLAND AVE, SUITE 2C
DOWNERS GROVE, IL 60515
Surgery
3825 HIGHLAND AVE, SUITE 2B
DOWNERS GROVE, IL 60515
Internal Medicine
3825 HIGHLAND AVE, SUITE 3F
DOWNERS GROVE, IL 60515
Obstetrics & Gynecology
3825 HIGHLAND AVE, SUITE 3K
DOWNERS GROVE, IL 60515
Specialist
3825 HIGHLAND AVE, TOWER 1 SUITE 4 J
DOWNERS GROVE, IL 60515
Internal Medicine (Gastroenterology)
3825 HIGHLAND AVE, SUITE 203
DOWNERS GROVE, IL 60515
Urology
3825 HIGHLAND AVE, SUITE 2A
DOWNERS GROVE, IL 60515
Obstetrics & Gynecology
3825 HIGHLAND AVE, TOWER 1 SUITE 3G
DOWNERS GROVE, IL 60515
Neurological Surgery
3825 HIGHLAND AVE, TOWER 1, SUITE 5M
DOWNERS GROVE, IL 60515
Obstetrics & Gynecology (Obstetrics)
3825 HIGHLAND AVE, SUITE 303, TOWER II
DOWNERS GROVE, IL 60515

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1639335029, enumerated as an "individual" on August 05, 2008.

The provider is located at 3825 HIGHLAND AVE TOWER 2, SUITE 107 DOWNERS GROVE, IL 60515 and the phone number is (630) 275-3540.

Surgery with taxonomy code 2086S0102X and a focus in Surgical Critical Care.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.

Grace Chang is affiliated with: MT SINAI HOSPITAL MEDICAL CENTER.