Doctor profile · Federal record

Dr. Siwen Hu-Lieskovan, MD, PHD

Internal Medicine Physician (CMS: Hematology/Oncology) · Los Angeles, CA

  • NPI 1578864864
  • Accepts Medicare
  • MIPS 92.1 / 100 · 2023
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
10945 Leconte Ave Ste 2333
Los Angeles, CA 900957059
(310) 825-6301

Credentials & registration

NPPES · NUCC
NPI registered
November 2010 — 16 yrs on file
Profile last updated
October 20, 2021
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A114229

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578864864. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
235
Distinct HCPCS
4
Medicare allowed
$26,103
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 128 48 $140
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 54 15 $30
99214 Established patient office or other outpatient visit, 30-39 minutes 34 20 $95
99205 New patient office or other outpatient visit, 60-74 minutes 19 19 $176

In context: peer comparison

Among 262 peers in Los Angeles Internal Medicine Physician, average services per provider: 160. This provider delivers 1.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,230
Transactions
4
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Amgen INC. 4 $1,230.45

By nature of payment

Travel and Lodging
$1,230

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
111
Patients
12
Total drug cost
$12,120
Drug Type Claims Patients Total cost
Prednisone Generic 29 12 $279
Levothyroxine Sodium Generic 23 0 $201
Triamcinolone Acetonide Generic 19 0 $333
Xarelto (Rivaroxaban) Brand 15 0 $11,187
Hydroxyzine Hcl Generic 13 0 $44
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 12 0 $78

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Siwen Hu-Lieskovan's medical specialty?
Dr. Siwen Hu-Lieskovan practices Internal Medicine Physician in Los Angeles, CA.
Where does Dr. Siwen Hu-Lieskovan practice?
Dr. Siwen Hu-Lieskovan practices at 10945 Leconte Ave Ste 2333, Los Angeles, CA 900957059. Office phone: 3108256301.
What is Dr. Siwen Hu-Lieskovan's NPI?
Dr. Siwen Hu-Lieskovan's National Provider Identifier (NPI) is 1578864864, issued by NPPES.
Does Dr. Siwen Hu-Lieskovan accept Medicare assignment?
Yes. Dr. Siwen Hu-Lieskovan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Siwen Hu-Lieskovan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (HCPCS G2212); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.