ESTHER KWAK DO
NPI 1578024055
Internal Medicine in Evanston, IL


Quality Rating: 93.08 out of 100 score

NPI Status: Active since March 27, 2019

Contact Information

2650 RIDGE AVE.
OFFICE OF THE CHIEF RESIDENT
EVANSTON, IL
ZIP 60201
Phone: (847) 570-2505
Fax: (847) 570-2905

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  • Individual
  • Female
  • Internal Medicine
  • PECOS Enrolled

About ESTHER KWAK

This page provides the complete NPI Profile along with additional information for Esther Kwak, an internist established in Evanston, Illinois with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1578024055 assigned on March 2019. The practitioner's primary taxonomy code is 207R00000X with license number 036158665 (IL). The provider is registered as an individual and her NPI record was last updated 4 years ago.

NPI
1578024055
Provider Name
ESTHER KWAK DO
Gender
Female
Entity Type
Individual
Location Address
2650 RIDGE AVE. OFFICE OF THE CHIEF RESIDENT EVANSTON, IL 60201
Location Phone
(847) 570-2505
Location Fax
(847) 570-2905
Mailing Address
2650 RIDGE AVE. OFFICE OF THE CHIEF RESIDENT EVANSTON, IL 60201
Mailing Phone
(847) 570-2505
Mailing Fax
(847) 570-2905
Is Sole Proprietor?
Yes
Enumeration Date
03-27-2019
Last Update Date
05-25-2022
Code Navigator

An internist like Esther Kwak is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Secondary Locations

  • 2650 Ridge Ave Ste 1304
    Evanston, IL 60201
    (847) 570-2700

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

Internal Medicine

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
036158665
License State
IL
Taxonomy Description
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.

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)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

125073627 (IL)
2390200000XStudent, Health Care

Student in an Organized Health Care Education/Training Program

 

Medicare Participation & PECOS Enrollment Status

Esther Kwak 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

  • 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.

Established patient office or other outpatient visit, 20-29 minutes

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.

This service was performed 14 times for 13 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 44 times for 23 patients

Follow-up hospital inpatient care per day, typically 35 minutes

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

This service was performed 54 times for 22 patients

Hospital discharge day management, more than 30 minutes

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

This service was performed 17 times for 17 patients

Physician Visit Costs

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 60201 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $138.86
  • Minimum New Patient Price $60.08
  • Maximum New Patient Price $183.39
  • Average New Patient Copayment $34.71
  • Minimum New Patient Copayment $15.02
  • Maximum New Patient Copayment $45.84

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $105.7
  • Minimum Established Patient Price $18.97
  • Maximum Established Patient Price $148.12
  • Average Established Patient Copayment $26.42
  • Minimum Established Patient Copayment $4.74
  • Maximum Established Patient Copayment $37.03

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Overall MIPS Quality Performance

The provider participated in CMS Quality Payment Program under the Merit-based Incentive Payment System (MIPS) and has an overall final score of 93.08, based on four performance areas: quality, improvement activities, promoting interoperability, and cost. The purpose of this information is to help people with Medicare make informed decisions and incentivize doctors and clinicians to maximize performance.

The Merit-based Incentive Payment System (MIPS) is a way providers could use to participate in CMS Quality Payment Program (QPP). The MIPS program affects clinician reimbursement for Part B covered professional services and also rewards them for improving the quality of patient care and outcomes.

  • Final Score: 93.08 out of 100

    The MIPS program evaluates providers across multiple categories with a specific weight for each category resulting a in a MIPS final score that ranges from 0 to 100 points. The MIPS Final Score determines whether providers receive a negative, neutral or positive MIPS payment adjustment.

  • Quality Score: 80.79

    The Quality category assesses providers performance on clinical practices and patient outcomes under the traditional MIPS program. The quality measures help identify the quality of healthcare processes, outcomes, and patient experiences. The Quality measure category compromises 40% providers final MPIS scores.

    There are six collection types for MIPS quality measures: Electronic Clinical Quality Measures (eCQMs), MIPS Clinical Quality Measures (CQMs), Qualified Clinical Data Registry (QCDR) Measures, Medicare Part B claims measures, CMS Web Interface measures and The Consumer Assessment of Healthcare Providers and Systems (CAHPS) for MIPS Survey.

  • Promoting Interoperability Score: 100

    The Interoperability category measures the providers ability to use technology to exchange and make use of healthcare information in a way that is less burdensome and improves outcomes. The Interoperability measure category compromises 25% providers final MPIS scores.

    The MIPS Interoperability measure focuses on the use of certified electronic health record technology (CEHRT) to improve patient access health information, the exchange of information between clinicians and pharmacies and the systematic collection, analysis, and interpretation of healthcare data.

  • Improvement Activities Score: 40

    The Improvement Activities performance category evaluates the providers participation in clinical activities that support the improvement of clinical practice, care delivery, and outcomes. Providers have the option to choose 2 to 4 activities from an inventory of over 100 improvement activities. Providers typically choose the activities that best fit their needs. The improvement activities measure category compromises 15% providers final MPIS scores.

    The Improvement measures aim to better patient engagement, patient safety and other areas of patient care. The Improvement Activities category compromises 15% of providers final MPIS scores.

  • Cost Score: N/A

    The Cost performance category asses the amount and types of services provided and how clinicians coordinate care and seek improvement of health outcomes by ensuring patients receive the appropriate services.

    Although providers don't determine the price of healthcare services they are important in delivering high-quality care at a reasonable cost. The Cost measures category compromises 20% of providers final MPIS scores.

  • Cost Score: N/A

    The Cost performance category asses the amount and types of services provided and how clinicians coordinate care and seek improvement of health outcomes by ensuring patients receive the appropriate services.

    Although providers don't determine the price of healthcare services they are important in delivering high-quality care at a reasonable cost. The Cost measures category compromises 20% of providers final MPIS scores.

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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 1578024055, we treat the final digit (5) 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).

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
5
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
8
Unchanged
Pos 5
0
Doubled → 0
Pos 6
2
Unchanged
Pos 7
4
Doubled → 8
Pos 8
0
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
5
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 7 → 14 → 5 0 → 0 4 → 8 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 4 + 8 + 0 + 2 + 8 + 0 + 1 + 0 + 24 = 55

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

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1578024055.

Other Providers at the Same Location


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

Physician Assistant (Surgical)
2650 RIDGE AVE., BURCH 100, CARDIAC SURGERY DIVISION
EVANSTON, IL 60201
Internal Medicine (Infectious Disease)
2650 RIDGE AVE., BURCH BLDG. RM 124
EVANSTON, IL 60201
Pediatrics (Neonatal-Perinatal Medicine)
2650 RIDGE AVE., WALGREEN 1505
EVANSTON, IL 60201
Radiology (Diagnostic Radiology)
2650 RIDGE AVE., DEPARTMENT OF RADIOLOGY
EVANSTON, IL 60201
Anesthesiology (Pain Medicine)
2650 RIDGE AVE., DEPARTMENT OF ANESTHESIA
EVANSTON, IL 60201
Radiology (Vascular & Interventional Radiology)
2650 RIDGE AVE., DEPT. OF RADIOLOGY
EVANSTON, IL 60201
Radiology (Diagnostic Radiology)
2650 RIDGE AVE., DEPARTMENT OF RADIOLOGY
EVANSTON, IL 60201
Pathology (Anatomic Pathology & Clinical Pathology)
2650 RIDGE AVE., DEPARTMENT OF PATHOLOGY
EVANSTON, IL 60201
Radiology (Diagnostic Radiology)
2650 RIDGE AVE., DEPARTMENT OF RADIOLOGY
EVANSTON, IL 60201
Pathology (Anatomic Pathology & Clinical Pathology)
2650 RIDGE AVE., DEPARTMENT OF PATHOLOGY
EVANSTON, IL 60201
Nurse Practitioner
2650 RIDGE AVE., WALGREENS 3507
EVANSTON, IL 60201
Nurse Practitioner
2650 RIDGE AVE., WALGREENS 3507
EVANSTON, IL 60201
Nurse Practitioner
2650 RIDGE AVE., WALGREEN 3507
EVANSTON, IL 60201
Nurse Practitioner
2650 RIDGE AVE., WALGREENS 3507
EVANSTON, IL 60201
Nurse Practitioner
2650 RIDGE AVE., WALGREEN 3507
EVANSTON, IL 60201
Nurse Anesthetist, Certified Registered
2650 RIDGE AVE., DEPARTMENT OF ANESTHESIA
EVANSTON, IL 60201
Hospitalist
2650 RIDGE AVE., IM HOSPITALISTS STE 4210
EVANSTON, IL 60201
Internal Medicine (Hematology)
2650 RIDGE AVE., KELLOGG CANCER CENTER
EVANSTON, IL 60201
Internal Medicine (Medical Oncology)
2650 RIDGE AVE., KELLOGG CANCER CENTER
EVANSTON, IL 60201
Anesthesiology
2650 RIDGE AVE., DEPARTMENT OF ANESTHESIA
EVANSTON, IL 60201

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1578024055, enumerated as an "individual" on March 27, 2019.

The provider is located at 2650 RIDGE AVE. OFFICE OF THE CHIEF RESIDENT EVANSTON, IL 60201 and the phone number is (847) 570-2505.

Internal Medicine with taxonomy code 207R00000X.