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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. LEON ZHOU MD
NPI 1649702259
Internal Medicine - Cardiovascular Disease in Los Angeles, CA

Active since April 02, 2017PECOS EnrolledAccepts Medicare Assignment
1520 SAN PABLO ST STE 1000, LOS ANGELES, CA 90033(323) 442-5100 Get Directions Write a Review

NPPES record last updated: September 9, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 9, 2026, Jun 28, 2025, Sep 13, 2024 and 4 more (7 updates tracked since 2017).

About Dr. Leon Zhou Md NPPES

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

DR. LEON ZHOU MD (NPI 1649702259) is an individual cardiovascular disease provider in Los Angeles, California, licensed in California (A173057) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS and is a graduate of University Of Cincinnati College Of Medicine (2017).

NPPES Registry Identity

NPI1649702259
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. LEON ZHOUCredential: MD
Location Address1520 SAN PABLO ST STE 1000Los Angeles, CA 90033-5312
Mailing AddressPo Box 50938Los Angeles, CA 90074-0938 · (323) 442-5100
Phone(323) 442-5100
Sole ProprietorYes
Medical School CMSUniversity Of Cincinnati College Of MedicineGraduated 2017
Enumeration DateApril 2, 2017
Last NPPES UpdateSeptember 9, 20267 updates tracked since enumeration
NPPES CertifiedSeptember 9, 2026
✔ NPI 1649702259 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in CA · A173057
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedInternal MedicineTaxonomy 207R00000X · License 35.139757 (OH)
Also ListedInternal Medicine · Advanced Heart Failure and Transplant CardiologyTaxonomy 207RA0001X · License A173057 (CA)
1520 SAN PABLO ST STE 1000, Los Angeles, CA 90033
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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

Dr. Leon Zhou Md 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 ID4486922168
PECOS Enrollment IDI20260729002149
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 Reassignment

Medicare enrollment records show Leon Zhou reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Usc Care Medical Group, Inc
Same address
General Practice
1520 SAN PABLO ST
Los Angeles, CA 90033
  • Reassigned Medicare billing, California enrollment
  • 2,445 clinicians in this Medicare group
NPI 1902846306 (323) 442-5955

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90033 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
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

SERENA GHANSHANI MD
Internal Medicine (Cardiovascular Disease)
1520 SAN PABLO ST STE 1000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5100
SHYAM BHANSALI D.O.
Internal Medicine (Hospice and Palliative Medicine)
1520 SAN PABLO ST STE 1000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5100
MAY HNIN LWIN MD
Internal Medicine (Nephrology)
1520 SAN PABLO ST STE 1000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5100
DR. NIPAPORN PICHETSHOTE M.D.
Internal Medicine (Gastroenterology)
1520 SAN PABLO ST STE 1000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5100
DR. SAAHIR KHAN M.D., PH.D.
Internal Medicine (Infectious Disease)
1520 SAN PABLO ST STE 1000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5100
YUEN HUNG NG AGACNP
Nurse Practitioner
1520 SAN PABLO ST STE 1000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5100
MR. STEPHEN W MARER MD
Internal Medicine (Infectious Disease)
1520 SAN PABLO ST STE 1000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5100
MS. PRESCILLIA MIANDABO TSHIAMALA FNP-BC
Nurse Practitioner (Family)
1520 SAN PABLO ST STE 1000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5100

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 Leon Zhou's NPI number?

The NPI number for Leon Zhou is 1649702259. It was assigned to this individual provider in the NPPES registry on April 2, 2017.

Where is Leon Zhou located?

Leon Zhou practices at 1520 San Pablo St Ste 1000, Los Angeles, CA 90033. The listed phone number is (323) 442-5100.

What is Leon Zhou's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Leon Zhou enrolled in Medicare?

Yes. Leon Zhou 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 organization bills Medicare for Leon Zhou's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leon Zhou reassigns Medicare benefits to Usc Care Medical Group, Inc (Los Angeles, CA). The 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 Leon Zhou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Leon Zhou was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 47 days 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.