Doctor profile · Federal record

Dr. Kenneth Choi, MD

Nephrology Physician (CMS: Nephrology) · Nephrology Physician · Merrillville, IN

  • NPI 1619098571
  • Accepts Medicare
  • 25 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
90 W 86Th Ave, Nani, LTD
Merrillville, IN 464107086
(219) 791-1555
fax (219) 791-1560
Mailing address
120 W 22Nd St Ste 200
Oak Brook, IL 605231563

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
April 29, 2025
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State licenses (2)
Indiana #01063644A · Illinois #036111704
Medicaid
IN #200876580

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619098571. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,332
Distinct HCPCS
10
Medicare allowed
$480,295
HCPCS Description Services Patients Avg allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 710 25 $0
J2250 Injection, midazolam hydrochloride, per 1 mg 642 159 $0
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 464 202 $74
J3010 Injection, fentanyl citrate, 0.1 mg 270 161 $1
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 204 140 $45
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist 183 115 $1,094
75710 Review by radiologist of arm or leg artery image 112 83 $135
99153 Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes 100 58 $10
36215 Insertion of tube into chest or arm artery, each first order branch 93 64 $491
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 70 39 $44

In context: peer comparison

Among 6 peers in Merrillville Nephrology Physician, average services per provider: 163. This provider delivers 20× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,650
Transactions
76
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Fresenius USA Marketing, INC. 16 $191.30
Amgen INC. 12 $190.59
AstraZeneca Pharmaceuticals Lp 7 $177.41
Ardelyx, INC. 6 $162.06
Ani Pharmaceuticals, INC. 6 $152.07
Opko Pharmaceuticals, LLC 6 $117.26
Calliditas Therapeutics US INC. 5 $94.49
Novartis Pharmaceuticals Corporation 4 $92.60
Travere Therapeutics, INC. 3 $73.77
Mallinckrodt Hospital Products INC. 2 $60.09
Bayer Healthcare Pharmaceuticals INC. 2 $46.83
Otsuka America Pharmaceutical, INC. 2 $41.12
Lilly USA, LLC 2 $37.58
Alexion Pharmaceuticals, INC. 2 $34.95
Scpharmaceuticals INC. 1 $26.49

By nature of payment

Food and Beverage
$1,650

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
225
Patients
23
Total drug cost
$9,907
Drug Type Claims Patients Total cost
Prosol (Parenteral Amino Acid 20% No.1) Brand 52 0 $7,260
Calcitriol Generic 40 12 $978
Furosemide Generic 28 11 $308
Amlodipine Besylate Generic 26 0 $260
Allopurinol Generic 23 0 $489
Carvedilol Generic 18 0 $252
Tamsulosin Hcl Generic 15 0 $263
Simvastatin Generic 12 0 $19
Gabapentin Generic 11 0 $79

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kenneth Choi's medical specialty?
Dr. Kenneth Choi practices Nephrology Physician in Merrillville, IN.
Where does Dr. Kenneth Choi practice?
Dr. Kenneth Choi practices at 90 W 86Th Ave, Merrillville, IN 464107086. Office phone: 2197911555.
What is Dr. Kenneth Choi's NPI?
Dr. Kenneth Choi's National Provider Identifier (NPI) is 1619098571, issued by NPPES.
Does Dr. Kenneth Choi accept Medicare assignment?
Yes. Dr. Kenneth Choi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kenneth Choi commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Injection, midazolam hydrochloride, per 1 mg (HCPCS J2250); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.