LEO E. ORR, JR., M.D.
NPI 1922198795
Internal Medicine - Hematology & Oncology in Los Angeles, CA

Q: What is Leo E. Orr, Jr., M.D., Inc.'s NPI number?

The NPI number for Leo E. Orr, Jr., M.D., Inc. is 1922198795. It was assigned to this organization in the NPPES registry on October 13, 2006. The provider is also known as Leo E. Orr, Jr., M.D..

Q: What is Leo E. Orr, Jr., M.D., Inc.'s specialty?

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

Active since October 13, 2006

1245 WILSHIRE BLVD, SUITE 801, LOS ANGELES, CA 90017(213) 481-3948(213) 481-1697 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 7, 2023, Jun 21, 2018 (2 updates tracked since 2018).

On this page

About Leo E. Orr, Jr., M.d. NPPES

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

LEO E. ORR, JR., M.D. (NPI 1922198795) is a healthcare organization registered as a hematology & oncology in Los Angeles, California and active in the NPI registry since October 2006. The organization lists Elizabeth C. Ventura, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1922198795

Entity TypeOrganization

Primary Taxonomy207RH0003X

Legal Business NameLEO E. ORR, JR., M.D., INC.

Location Address1245 WILSHIRE BLVD, SUITE 801Los Angeles, CA 90017-4810

Mailing Address1245 Wilshire Blvd, Suite 801Los Angeles, CA 90017-4810 · (213) 481-3948 · Fax (213) 481-1697

Phone(213) 481-3948

Fax(213) 481-1697

Organization SubpartNo

Authorized OfficialElizabeth C. VenturaOffice Manager · (213) 481-3948

Enumeration DateOctober 13, 2006

Last NPPES UpdateMarch 7, 20232 updates tracked since enumeration

✔ NPI 1922198795 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 · C35803

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.

1245 WILSHIRE BLVD, Los Angeles, CA 90017

Open in Google Maps ↗

Other Names 1

Other NameLeo E. Orr, Jr., M.d.

Other Identifiers 4

Medicaid00C358031CA

OtherDB208ACA · Ptan Medicare

OtherC35803CA · California State License

Medicaid00C358030CA

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 20

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

PETER LORBER, M.D., A MEDICAL CORPORATION

Psychiatry & Neurology (Neurology)

1245 WILSHIRE BLVD, SUITE 814
LOS ANGELES, CA 90017

Los Angeles County (213) 481-0592

HOMAYOUN TABANDEH M.D.

Ophthalmology

1245 WILSHIRE BLVD, 380
LOS ANGELES, CA 90017

Los Angeles County (213) 483-8810

DR. JAMES C.S. HAHN M.D.

Internal Medicine

1245 WILSHIRE BLVD, SUITE 790
LOS ANGELES, CA 90017

Los Angeles County (323) 735-1111

DR. ELLSWORTH RAYMOND GRANT M.D

Internal Medicine (Hematology & Oncology)

1245 WILSHIRE BLVD, SUITE 801
LOS ANGELES, CA 90017

Los Angeles County (213) 481-3948

DR. ALEXIS GEORG HOEN MD

Internal Medicine

1245 WILSHIRE BLVD, STE 307
LOS ANGELES, CA 90017

Los Angeles County (213) 977-1165

DOWNTOWN LOS ANGELES MEDICAL GROUP INC

Specialist

1245 WILSHIRE BLVD, SUITE 905
LOS ANGELES, CA 90017

Los Angeles County (213) 481-0584

DR. RONALD ALAN GREENO MD

Internal Medicine (Pulmonary Disease)

1245 WILSHIRE BLVD, SUITE 407
LOS ANGELES, CA 90017

Los Angeles County (213) 977-4979

RICHARD H. ROE M.D.

Ophthalmology

1245 WILSHIRE BLVD, 380
LOS ANGELES, CA 90017

Los Angeles County (213) 483-8810

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 Leo E. Orr, Jr., M.D., Inc.'s NPI number?

The NPI number for Leo E. Orr, Jr., M.D., Inc. is 1922198795. It was assigned to this organization in the NPPES registry on October 13, 2006. The provider is also known as Leo E. Orr, Jr., M.D..

Where is Leo E. Orr, Jr., M.D., Inc. located?

Leo E. Orr, Jr., M.D., Inc. is located at 1245 Wilshire Blvd Suite 801, Los Angeles, CA 90017. The listed phone number is (213) 481-3948.

What is Leo E. Orr, Jr., M.D., Inc.'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 Leo E. Orr, Jr., M.D., Inc. was last updated on March 7, 2023. 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.