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

HEMATOLOGY ONCOLOGY SPECIALISTS
NPI 1174685846
Internal Medicine - Hematology & Oncology in Los Angeles, CA

Active since December 15, 2006
1700 E CESAR E CHAVEZ AVE, SUITE 3500, LOS ANGELES, CA 90033(323) 264-0430(323) 264-2354 Get Directions Write a Review

NPPES record last updated: April 20, 2016. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Hematology Oncology Specialists NPPES

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

HEMATOLOGY ONCOLOGY SPECIALISTS (NPI 1174685846) is a healthcare organization registered as a hematology & oncology in Los Angeles, California and active in the NPI registry since December 2006. The organization lists Austin June Ma, President, as its authorized official.

NPPES Registry Identity

NPI1174685846
Entity TypeOrganization
Primary Taxonomy207RH0003X
Legal Business NameAUSTIN J MA, M.D., A PROFESSIONAL CORPORATION
Location Address1700 E CESAR E CHAVEZ AVE, SUITE 3500Los Angeles, CA 90033-2480
Mailing Address1700 E Cesar E Chavez Ave, Suite 3500Los Angeles, CA 90033-2480 · (323) 264-0430 · Fax (323) 264-2354
Phone(323) 264-0430
Fax(323) 264-2354
Organization SubpartNo
Authorized OfficialAustin June MaPresident · (323) 264-0430
Enumeration DateDecember 15, 2006
Last NPPES UpdateApril 20, 2016
✔ NPI 1174685846 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 · 207RH0003X
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.
1700 E CESAR E CHAVEZ AVE, Los Angeles, CA 90033
Open in Google Maps ↗

Other Names 1

Doing Business AsHematology Oncology Specialists

Other Identifiers 3

Medicare PINW15926CA
Medicare PINBP355CA
Medicaid00A463720CA

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Ambetter from Absolute Total Care, Ambetter from Arizona Complete Health and more.Insurance ›

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.

DR. MIGUEL ANGEL UNZUETA M.D.
Ophthalmology
1700 E CESAR E CHAVEZ AVE, #3400
LOS ANGELES, CA 90033
Los Angeles County (323) 526-7273
KATHLEEN ROSE SAVAGE MD
Orthopaedic Surgery
1700 E CESAR E CHAVEZ AVE, SUITE 2200
LOS ANGELES, CA 90033
Los Angeles County (323) 264-7600
ADVENTIST HEALTH PHYSICIANS NETWORK
General Practice
1700 E CESAR E CHAVEZ AVE, #3300
LOS ANGELES, CA 90033
Los Angeles County (323) 307-8900
JOHN F. VANORE, MD A MEDICAL CORPORATION
Specialist
1700 E CESAR E CHAVEZ AVE, SUITE 2500
LOS ANGELES, CA 90033
Los Angeles County (323) 268-6731
JACOB JACQUE AHDOOT MD A PROFESSIONAL CORPORATION
Internal Medicine (Nephrology)
1700 E CESAR E CHAVEZ AVE, SUITE 3750
LOS ANGELES, CA 90033
Los Angeles County (310) 741-2329
DR. GABRIEL G. CARABELLO MD
Surgery (Vascular Surgery)
1700 E CESAR E CHAVEZ AVE, STE. 2450
LOS ANGELES, CA 90033
Los Angeles County (323) 265-4559
GAYLE V MITCHELL MD INC
Internal Medicine
1700 E CESAR E CHAVEZ AVE, SUITE 1200
LOS ANGELES, CA 90033
Los Angeles County (310) 486-2369
DVA HEALTHCARE RENAL CARE INC
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
1700 E CESAR E CHAVEZ AVE, STE L 100
LOS ANGELES, CA 90033
Los Angeles County (323) 261-0484

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 Austin J Ma, M.D., A Professional Corporation's NPI number?

The NPI number for Austin J Ma, M.D., A Professional Corporation is 1174685846. It was assigned to this organization in the NPPES registry on December 15, 2006. The provider is doing business as Hematology Oncology Specialists.

Where is Austin J Ma, M.D., A Professional Corporation located?

Austin J Ma, M.D., A Professional Corporation is located at 1700 E Cesar E Chavez Ave Suite 3500, Los Angeles, CA 90033. The listed phone number is (323) 264-0430.

What is Austin J Ma, M.D., A Professional Corporation's specialty?

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

What insurance does Austin J Ma, M.D., A Professional Corporation accept?

Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter Health of Delaware, Ambetter from Absolute Total Care and Ambetter from Arizona Complete Health and 36 other insurers list Austin J Ma, M.D., A Professional Corporation 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.

When was this NPI record last updated?

The NPPES record for Austin J Ma, M.D., A Professional Corporation was last updated on April 20, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.