Doctor profile · Federal record

Dr. Michelle Hwang, M.D.

Nephrology Physician (CMS: Nephrology) · Torrance, CA

  • NPI 1134503337
  • Accepts Medicare
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3445 Pacific Coast Hwy Ste 100
Torrance, CA 905056659
(310) 542-6333
Mailing address
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631

Credentials & registration

NPPES · NUCC
NPI registered
July 2015 — 11 yrs on file
Profile last updated
March 7, 2023
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
California #A144799

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134503337. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,739
Distinct HCPCS
9
Medicare allowed
$404,734
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 1,266 264 $127
99214 Established patient office or other outpatient visit, 30-39 minutes 793 275 $126
99291 Critical care, first 30-74 minutes 198 70 $226
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 197 163 $186
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 96 18 $317
99204 New patient office or other outpatient visit, 45-59 minutes 71 71 $183
90962 Dialysis services, 1 physician visit per month (20 years or older) 61 18 $219
99215 Established patient office or other outpatient visit, 40-54 minutes 38 26 $134
96372 Injection of drug or substance under skin or into muscle 19 11 $16

In context: peer comparison

Among 11 peers in Torrance Nephrology Physician, average services per provider: 241. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$673
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 1 $650.00
Travere Therapeutics, INC. 3 $23.05

By nature of payment

Consulting Fee
$650
Education
$23

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
852
Patients
290
Total drug cost
$105,260
Drug Type Claims Patients Total cost
Losartan Potassium Generic 146 49 $3,209
Furosemide Generic 132 40 $1,517
Amlodipine Besylate Generic 124 49 $1,894
Carvedilol Generic 48 19 $1,109
Sevelamer Carbonate Generic 48 14 $12,415
Nifedipine ER (Nifedipine) Brand 47 18 $4,345
Prednisone Generic 44 14 $477
Tamsulosin Hcl Generic 44 14 $1,549
Hydralazine Hcl Generic 41 18 $1,480
Lisinopril Generic 37 15 $671

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michelle Hwang's medical specialty?
Dr. Michelle Hwang practices Nephrology Physician in Torrance, CA.
Where does Dr. Michelle Hwang practice?
Dr. Michelle Hwang practices at 3445 Pacific Coast Hwy Ste 100, Torrance, CA 905056659. Office phone: 3105426333.
What is Dr. Michelle Hwang's NPI?
Dr. Michelle Hwang's National Provider Identifier (NPI) is 1134503337, issued by NPPES.
Does Dr. Michelle Hwang accept Medicare assignment?
Yes. Dr. Michelle Hwang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michelle Hwang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.