KENNETH LEE CHOI MD
NPI 1619098571
Internal Medicine - Nephrology in Merrillville, IN

Q: What is Kenneth Choi's NPI number?

The NPI number for Kenneth Choi is 1619098571. It was assigned to this individual provider in the NPPES registry on April 2, 2007.

Q: What is Kenneth Choi's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Kenneth Choi was last updated on April 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.

Active since April 02, 2007PECOS EnrolledAccepts Medicare Assignment

90 W 86TH AVE, NANI, LTD, MERRILLVILLE, IN 46410(219) 791-1555(219) 791-1560 Get Directions Write a Review

NPPES record last updated: April 29, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 14, 2022, Nov 13, 2020 (2 updates tracked since 2020).

On this page

About Kenneth Lee Choi Md NPPES

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

KENNETH LEE CHOI MD (NPI 1619098571) is an individual nephrology provider in Merrillville, Indiana, licensed in Indiana (01063644A) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with St Catherine Hospital Inc, and is a graduate of Northwestern University Feinberg Medical School (2001).

NPPES Registry Identity

NPI1619098571

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameKENNETH LEE CHOICredential: MD

Location Address90 W 86TH AVE, NANI, LTDMerrillville, IN 46410-7086

Mailing Address120 W 22nd St Ste 200Oak Brook, IL 60523-1563 · (630) 573-5000 · Fax (604) 491-5472

Phone(219) 791-1555

Fax(219) 791-1560

Sole ProprietorNo

Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2001

Enumeration DateApril 2, 2007

Last NPPES UpdateApril 29, 20252 updates tracked since enumeration

NPPES CertifiedApril 29, 2025

✔ NPI 1619098571 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

Licenses✔ Licensed in IN · 01063644A✔ Licensed in IL · 036111704

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

90 W 86TH AVE, Merrillville, IN 46410

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Other Identifiers 4

Other000000536207IN · Anthem Bcbs

Medicaid200876580IN

Other100082060IN · Medicaid Group

Other628850IN · Medicare Group

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Kenneth Lee Choi 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 ID446346753

PECOS Enrollment IDI20071018000217

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.

Medicare Billing Reassignments

Medicare enrollment records show Kenneth Choi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Nephrology Associates Of Northern Illinois, Ltd.

40 mi

Nephrology

120 W 22ND ST STE 200
Oak Brook, IL 60523

Reassigned Medicare billing, Illinois enrollment
161 clinicians in this Medicare group

NPI 1124069182 (630) 575-5000

Nephrology Associates Of Northern Indiana, Inc

118 mi

Nephrology

11104 PARKVIEW CIRCLE DR STE 330
Fort Wayne, IN 46845

Reassigned Medicare billing, Indiana enrollment
69 clinicians in this Medicare group

NPI 1578505814 (260) 494-3484

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 22

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

670 services27 patients

Injection, midazolam hydrochloride, per 1 mg J2250

Midazolam hydrochloride is a medication injected to help you relax or sleep before surgery or certain medical procedures. It works by calming the brain and nerves. It's given in small doses, measured in milligrams (mg).

506 services136 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

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.

355 services165 patients

Injection, fentanyl citrate, 0.1 mg J3010

Fentanyl citrate is a potent pain medication administered via injection. The 0.1 mg dosage is used to manage severe pain conditions. It works by blocking pain signals to the brain. It's crucial to follow the dosage instructions to prevent potential side effects.

207 services136 patients

Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist 36902

This procedure involves inserting a needle or tube into your hemodialysis circuit, a system that cleans your blood when your kidneys can't. A balloon is then used to widen a narrow section of this circuit. A radiologist reviews the procedure to ensure accuracy.

161 services109 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

149 services114 patients

Insertion of tube into chest or arm artery, each first order branch 36215

This procedure involves placing a thin tube into a chest or arm artery. It is done to monitor blood pressure, take blood samples, or deliver medications. The tube may also be inserted into each first order branch, which are the initial divisions of the main artery.

90 services65 patients

Review by radiologist of arm or leg artery image 75710

This procedure involves a radiologist examining images of your arm or leg arteries. These images are obtained through a non-invasive method, like an ultrasound or CT scan. The radiologist reviews these images to identify any abnormalities, such as blockages or narrowing, which can affect blood flow.

83 services61 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

70 services41 patients

Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes 99153

This service involves a physician administering medication to lower your consciousness during a procedure. It's done for your comfort and safety. The drug's effects last about 15 minutes, so additional doses may be given as needed.

57 services34 patients

Removal of tunneled central venous tube 36589

A tunneled central venous tube removal is a procedure to take out a long, thin tube that was previously placed in a large vein in your body. This tube helps deliver medication or nutrition. The removal is usually quick and done under local anesthesia.

52 services52 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

50 services49 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.

33 services18 patients

Injection for x-ray imaging procedure into vein of arm or leg 36005

This procedure involves injecting a contrast material into a vein in your arm or leg. This helps to enhance the quality of X-ray images, making it easier to see and understand the condition of your veins and tissues. It's generally safe and quick.

28 services28 patients

Review by radiologist of both arms and legs veins of both arms or legs image 75822

This procedure involves a radiologist examining images of veins in your arms and legs. These images can help identify any abnormalities or issues with blood flow. The process is non-invasive and painless, providing valuable information for your healthcare.

23 services23 patients

Fluoroscopic guidance for insertion or removal of central vein access device 77001

Fluoroscopic guidance for central vein access device insertion or removal is a procedure where a special X-ray, called a fluoroscope, is used to help accurately place or remove a device in a central vein. This device aids in delivering medications or collecting blood samples.

23 services23 patients

Insertion of needle and/or tube into hemodialysis circuit with review by radiologist 36901

This procedure involves inserting a needle or tube into your hemodialysis circuit, which is part of the system that cleans your blood when your kidneys can't. A radiologist, a doctor specialized in imaging techniques, will review the process to ensure everything is correct.

21 services19 patients

Replacement of tunneled central venous tube 36581

A tunneled central venous tube replacement is a procedure where an existing tube, used to deliver medication or nutrition directly to a large vein, is replaced. This is done under local anesthesia and involves inserting a new tube through a small incision.

20 services20 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

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.

20 services17 patients

Complete ultrasound of artery and vein blood flow pre-op assessment on both sides of body for hemodialysis access 93985

This procedure involves using ultrasound technology to examine the blood flow in your arteries and veins on both sides of your body. It's crucial for preparing for hemodialysis access, ensuring safe and effective treatment.

19 services18 patients

Balloon dilation of vein with review by radiologist, initial vein 37248

Balloon dilation of a vein is a procedure where a small balloon is inserted into a narrowed vein. Once in place, the balloon is inflated to widen the vein and improve blood flow. The procedure is overseen by a radiologist, who uses imaging techniques to ensure accurate placement of the balloon. This is done on the initial vein requiring treatment.

15 services14 patients

Hemodialysis procedure with physician evaluation 90935

Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.

13 services12 patients

Hospital Affiliations CMS Care Compare 5

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

St Catherine Hospital Inc

Acute Care Hospitals · East Chicago, IN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150008

Location4321 Fir StreetEast Chicago, IN 46312 · Lake County

Emergency services Birthing friendly

St Mary Medical Center Inc

Acute Care Hospitals · Hobart, IN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150034

Location1500 S Lake Park AveHobart, IN 46342 · Lake County

Emergency services Birthing friendly

Community Hospital

Acute Care Hospitals · Munster, IN

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150125

Location901 Macarthur BlvdMunster, IN 46321 · Lake County

Emergency services Birthing friendly

Franciscan Health Crown Point

Acute Care Hospitals · Crown Point, IN

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number150126

Location12750 Saint Francis DriveCrown Point, IN 46307 · Lake County

Emergency services Birthing friendly

Franciscan Health Munster

Acute Care Hospitals · Munster, IN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150165

Location701 Superior AveMunster, IN 46321 · Lake County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46410 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

$122.49 typical visit price

range $53.07 – $161.76

Typical copayment $30.62 (range $13.26 – $40.44)

Most-billed visit code 99204

Established Patient

$94.22 typical visit price

range $16.93 – $132.22

Typical copayment $23.55 (range $4.23 – $33.05)

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 15

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

TIMOTHY MICHAEL CHOW

Internal Medicine (Nephrology)

90 W 86TH AVE
MERRILLVILLE, IN 46410

Lake County (291) 791-1555

KATRINA E WRIGHT MD

Internal Medicine (Nephrology)

90 W 86TH AVE
MERRILLVILLE, IN 46410

Lake County (219) 791-1555

CINDY CHAPMAN NURSE PRACTITIONER

Nurse Practitioner (Family)

90 W 86TH AVE
MERRILLVILLE, IN 46410

Lake County (219) 791-1555

ALI KHEIRBEK MD

Internal Medicine (Nephrology)

90 W 86TH AVE
MERRILLVILLE, IN 46410

Lake County (219) 791-1555

KATHLEEN WALLACE APN

Nurse Practitioner

90 W 86TH AVE
MERRILLVILLE, IN 46410

Lake County (219) 791-1555

DR. KEVIN ANDRE MYRIE M.D,

Internal Medicine (Nephrology)

90 W 86TH AVE, NEPHROLOGY ASSOCIATES OF NORTHERN INDIANA
MERRILLVILLE, IN 46410

Lake County (219) 791-1555

YVES FRANTZ BRIGNOL MBA/HA, CMC

Internal Medicine (Nephrology)

90 W 86TH AVE
MERRILLVILLE, IN 46410

Lake County (219) 791-1555

DAVID CURTIS PARRISH

Nurse Practitioner (Family)

90 W 86TH AVE
MERRILLVILLE, IN 46410

Lake County (219) 791-1555

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 Kenneth Choi's NPI number?

The NPI number for Kenneth Choi is 1619098571. It was assigned to this individual provider in the NPPES registry on April 2, 2007.

Where is Kenneth Choi located?

Kenneth Choi practices at 90 W 86th Ave Nani, Ltd, Merrillville, IN 46410. The listed phone number is (219) 791-1555.

What is Kenneth Choi's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Kenneth Choi enrolled in Medicare?

Yes. Kenneth Choi 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.

Which organizations bill Medicare for Kenneth Choi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kenneth Choi reassigns Medicare benefits to 2 organizations: Nephrology Associates Of Northern Illinois, Ltd. (Oak Brook, IL) and Nephrology Associates Of Northern Indiana, Inc (Fort Wayne, IN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kenneth Choi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kenneth Choi accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 1 other insurer list Kenneth Choi 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 Kenneth Choi affiliated with any hospitals?

According to CMS data, Kenneth Choi is affiliated with St Catherine Hospital Inc, St Mary Medical Center Inc, Community Hospital, Franciscan Health Crown Point and Franciscan Health Munster.

When was this NPI record last updated?

The NPPES record for Kenneth Choi was last updated on April 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.