Kenneth Choi, MD
NPI 1619098571 · Nephrology Physician · Merrillville, IN
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kenneth Choi, MD is a Nephrology Physician provider in Merrillville, IN (NPI 1619098571).
Provider details
- NPI number
- 1619098571
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036111704 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,282 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 355 | $75 |
| Insertion of Needle And/Or Tube Into Hemodialysis Circuit and Balloon Dilation of Dialysis Segment With Review By Radiologist36902 | 161 | $1,077 |
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure (5 Years Or Older), Initial 15 Minutes99152 | 149 | $47 |
| Insertion of Tube Into Chest Or Arm Artery, Each First Order Branch36215 | 90 | $371 |
| Review By Radiologist of Arm Or Leg Artery Image75710 | 83 | $137 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Parenteral Amino Acid 20% No.1brand: Prosol | 53 | — |
| Amlodipine Besylate | 27 | — |
| Furosemide | 26 | 14 |
| Calcitriol | 24 | — |
| Carvedilol | 22 | — |
| Sevelamer Carbonate | 12 | — |
| Irbesartan | 12 | — |
| Allopurinol | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,650 across 84 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-02
- Last updated
- 2025-04-29
- Certified
- 2025-04-29
Frequently asked questions
- What is Kenneth Choi's NPI number?
- Kenneth Choi's National Provider Identifier (NPI) is 1619098571, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kenneth Choi's specialty?
- Kenneth Choi is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Kenneth Choi located?
- Kenneth Choi's practice location on file with NPPES is 90 W 86th Ave, Merrillville, IN 46410-7086.
- What is Kenneth Choi's phone number?
- The practice phone number listed in the NPPES registry for Kenneth Choi is (219) 791-1555.
- Does Kenneth Choi accept Medicare?
- Kenneth Choi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kenneth Choi's NPI active?
- Yes — Kenneth Choi's NPI (1619098571) is active in the NPPES registry as of the last update on 2025-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.