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SIWEN HU-LIESKOVAN MD, PHD
NPI 1578864864
Internal Medicine in Los Angeles, CA

Active since November 03, 2010PECOS EnrolledAccepts Medicare Assignment
92.06/100
CMS Quality Rating
10945 LECONTE AVE STE 2333, LOS ANGELES, CA 90095(310) 825-6301 Get Directions Write a Review

NPPES record last updated: October 20, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Siwen Hu-lieskovan Md, Phd NPPES

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

SIWEN HU-LIESKOVAN MD, PHD (NPI 1578864864) is an individual internal medicine provider in Los Angeles, California, licensed in California (A114229) and active in the NPI registry since November 2010. She is enrolled in Medicare PECOS, is affiliated with University Of Utah Hospitals And Clinics, and is a graduate of University Of California, Geffen School Of Medicine (2014).

NPPES Registry Identity

NPI1578864864
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameSIWEN HU-LIESKOVANCredential: MD, PHD
Location Address10945 LECONTE AVE STE 2333Los Angeles, CA 90095-7059
Mailing Address10945 Leconte Ave Ste 2333Los Angeles, CA 90095-7059
Phone(310) 825-6301
Sole ProprietorNo
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 2014
Enumeration DateNovember 3, 2010
Last NPPES UpdateOctober 20, 2021
NPPES CertifiedOctober 20, 2021
✔ NPI 1578864864 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A114229
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
10945 LECONTE AVE STE 2333, Los Angeles, CA 90095
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Molina Healthcare, Regence BlueCross BlueShield of Utah 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

Siwen Hu-lieskovan Md, Phd 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 ID143447250
PECOS Enrollment IDI20190129003644
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

2

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

The Regents Of The University Of California
0.6 mi
Internal Medicine
200 MEDICAL PLAZA, SUITE 365,530,420,250,120,214
Los Angeles, CA 90095
  • Reassigned Medicare billing, California enrollment
  • 1,766 clinicians in this Medicare group
NPI 1235107566 (310) 794-1276
University Of Utah Adult Services
580 mi
Neurology
175 N MEDICAL DR
Salt Lake City, UT 84132
  • Reassigned Medicare billing, Utah enrollment
  • 2,620 clinicians in this Medicare group
NPI 1578967345 (801) 585-7575

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 4

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.

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 G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
251 services54 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
145 services62 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
29 services29 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.
15 services11 patients

Hospital Affiliations CMS Care Compare 2

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

University Of Utah Hospitals And Clinics

Acute Care Hospitals · Salt Lake City, UT
5/5 CMS rating
OwnershipGovernment - State
CMS Certification Number460009
Location50 North Medical DriveSalt Lake City, UT 84132 · Salt Lake County
Emergency services Birthing friendly

Logan Regional Hospital

Acute Care Hospitals · Logan, UT
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number460015
Location1400 North 500 EastLogan, UT 84341 · Cache County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90095 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

92.06/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality85.57
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES

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

UNIVERSITY OF CALIFORNIA AT LOS ANGELES
General Acute Care Hospital
10945 LECONTE AVE STE 2333
LOS ANGELES, CA 90095
Los Angeles County (310) 794-6253

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 Siwen Hu-lieskovan's NPI number?

The NPI number for Siwen Hu-lieskovan is 1578864864. It was assigned to this individual provider in the NPPES registry on November 3, 2010.

Where is Siwen Hu-lieskovan located?

Siwen Hu-lieskovan practices at 10945 Leconte Ave Ste 2333, Los Angeles, CA 90095. The listed phone number is (310) 825-6301.

What is Siwen Hu-lieskovan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Siwen Hu-lieskovan enrolled in Medicare?

Yes. Siwen Hu-lieskovan 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 Siwen Hu-lieskovan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Siwen Hu-lieskovan reassigns Medicare benefits to 2 organizations: The Regents Of The University Of California (Los Angeles, CA) and University Of Utah Adult Services (Salt Lake City, UT). 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 Siwen Hu-lieskovan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Siwen Hu-lieskovan accept?

Health plans from BridgeSpan Health Company, Molina Healthcare, Regence BlueCross BlueShield of Utah, Select Health and University of Utah Health Plans list Siwen Hu-lieskovan 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 Siwen Hu-lieskovan affiliated with any hospitals?

According to CMS data, Siwen Hu-lieskovan is affiliated with University Of Utah Hospitals And Clinics and Logan Regional Hospital.

When was this NPI record last updated?

The NPPES record for Siwen Hu-lieskovan was last updated on October 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.