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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.

XI YANG MD
NPI 1366003428
Internal Medicine - Hematology & Oncology in Los Angeles, CA

Active since June 27, 2019PECOS Enrolled
127 S SAN VICENTE BLVD FL 7, LOS ANGELES, CA 90048(310) 423-1160(310) 423-4646 Get Directions Write a Review

NPPES record last updated: October 7, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

About Xi Yang Md NPPES

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

XI YANG MD (NPI 1366003428) is an individual hematology & oncology provider in Los Angeles, California, licensed in California (A209465) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS and maintains a secondary practice location in West Hollywood.

NPPES Registry Identity

NPI1366003428
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameXI YANGCredential: MD
Location Address127 S SAN VICENTE BLVD FL 7Los Angeles, CA 90048-3311
Mailing Address4140 W 190th StTorrance, CA 90504-5513
Phone(310) 423-1160
Fax(310) 423-4646
Sole ProprietorNo
Enumeration DateJune 27, 2019
Last NPPES UpdateOctober 7, 2026
NPPES CertifiedOctober 7, 2026
✔ NPI 1366003428 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in CA · A209465
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
127 S SAN VICENTE BLVD FL 7, Los Angeles, CA 90048
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Secondary Practice Location 1

Location 18700 Beverly BlvdWest Hollywood, CA 90048-1804 · Phone (310) 423-1160 · Fax (310) 423-4646

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Xi Yang Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90048 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
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
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.

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.

JASON EARL CHAN M.D. PH.D.
Internal Medicine (Hematology & Oncology)
127 S SAN VICENTE BLVD FL 7
LOS ANGELES, CA 90048
Los Angeles County (310) 423-8530
DR. NATSAI CHARLENE NYAKUDARIKA M.D.
Obstetrics & Gynecology (Gynecologic Oncology)
127 S SAN VICENTE BLVD FL 7
LOS ANGELES, CA 90048
Los Angeles County (310) 423-5800
DR. NICHOLAS N NISSEN M.D.
Surgery (Surgical Critical Care)
127 S SAN VICENTE BLVD FL 7
LOS ANGELES, CA 90048
Los Angeles County (310) 423-6746
MR. ALESSIO PIGAZZI M.D.
Colon & Rectal Surgery
127 S SAN VICENTE BLVD FL 7
LOS ANGELES, CA 90048
Los Angeles County (310) 423-5874
MARC ATTIYEH
Surgery (Surgical Oncology)
127 S SAN VICENTE BLVD FL 7
LOS ANGELES, CA 90048
Los Angeles County (310) 423-6746
COYIN OH
Internal Medicine (Medical Oncology)
127 S SAN VICENTE BLVD FL 7
LOS ANGELES, CA 90048
Los Angeles County (310) 423-8030
LAWRENCE WAYNE LIU MD
Internal Medicine (Medical Oncology)
127 S SAN VICENTE BLVD FL 7
LOS ANGELES, CA 90048
Los Angeles County (310) 423-1160
HITOMI HOSOYA MD
Internal Medicine (Hematology)
127 S SAN VICENTE BLVD FL 7
LOS ANGELES, CA 90048
Los Angeles County (310) 423-1160

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 Xi Yang's NPI number?

The NPI number for Xi Yang is 1366003428. It was assigned to this individual provider in the NPPES registry on June 27, 2019.

Where is Xi Yang located?

Xi Yang practices at 127 S San Vicente Blvd Fl 7, Los Angeles, CA 90048. The listed phone number is (310) 423-1160.

What is Xi Yang's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Xi Yang enrolled in Medicare?

Yes. Xi Yang is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Xi Yang was last updated on October 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.