1. Home
  2. Directory
  3. California
  4. Pasadena
  5. Internal Medicine
  6. NPI Profile

LOS ANGELES HEMATOLOGY-ONCOLOGY MEDICAL GROUP
NPI 1053034041
Internal Medicine - Hematology & Oncology in Pasadena, CA

Active since September 23, 2022
50 ALESSANDRO PL STE 310, PASADENA, CA 91105(626) 288-0008(866) 741-4630 Get Directions Write a Review

NPPES record last updated: September 23, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Los Angeles Hematology-oncology Medical Group NPPES

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

LOS ANGELES HEMATOLOGY-ONCOLOGY MEDICAL GROUP (NPI 1053034041) is a healthcare organization registered as a hematology & oncology in Pasadena, California and active in the NPI registry since September 2022. The organization lists Marla Lou Wsiaki, Project Manager, as its authorized official.

NPPES Registry Identity

NPI1053034041
Entity TypeOrganization
Primary Taxonomy207RH0003X
Legal Business NameLOS ANGELES HEMATOLOGY-ONCOLOGY MEDICAL GROUP
Location Address50 ALESSANDRO PL STE 310Pasadena, CA 91105-4000
Mailing Address541 W Colorado St Ste 205Glendale, CA 91204-3640 · (323) 794-1403 · Fax (323) 488-9782
Phone(626) 288-0008
Fax(866) 741-4630
Organization SubpartNo
Authorized OfficialMarla Lou WsiakiProject Manager · (323) 254-0046
Enumeration DateSeptember 23, 2022
NPPES CertifiedSeptember 23, 2022
✔ NPI 1053034041 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
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.
50 ALESSANDRO PL STE 310, Pasadena, CA 91105
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 4

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

XIAOXIAO WANG FNP-C
Nurse Practitioner (Family)
50 ALESSANDRO PL STE 310
PASADENA, CA 91105
Los Angeles County (626) 288-0008
DR. RONALD TANG DO
Internal Medicine (Hematology & Oncology)
50 ALESSANDRO PL STE 310
PASADENA, CA 91105
Los Angeles County (626) 288-0008
DR. WEBER CHEN M.D.
Internal Medicine (Hematology & Oncology)
50 ALESSANDRO PL STE 310
PASADENA, CA 91105
Los Angeles County (626) 288-0008
LOS ANGELES HEMATOLOGY-ONCOLOGY MEDICAL GROUP
Non-Pharmacy Dispensing Site
50 ALESSANDRO PL STE 310
PASADENA, CA 91105
Los Angeles County (323) 910-4060

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 Los Angeles Hematology-Oncology Medical Group's NPI number?

The NPI number for Los Angeles Hematology-Oncology Medical Group is 1053034041. It was assigned to this organization in the NPPES registry on September 23, 2022.

Where is Los Angeles Hematology-Oncology Medical Group located?

Los Angeles Hematology-Oncology Medical Group is located at 50 Alessandro Pl Ste 310, Pasadena, CA 91105. The listed phone number is (626) 288-0008.

What is Los Angeles Hematology-Oncology Medical Group's specialty?

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

When was this NPI record last updated?

The NPPES record for Los Angeles Hematology-Oncology Medical Group was last updated on September 23, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.