Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Leo E Orr Jr., MD

Individual provider Hematology & Oncology Physician · NPI 1730102286

Dr. Leo E Orr Jr., MD is a Hematology/Oncology in Los Angeles, California. Graduated from Baylor College of Medicine in 1969, 57 years ago. Practices with The Oncology Institute Ca, a Professional Corporation, a 114-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
57
Trained at
Baylor College of Medicine
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1245 Wilshire Blvd Ste 801
Los Angeles, CA 90017-4810
Phone: (213) 481-3948
Fax: (213) 481-1697
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence C35803 (CA)

Record details

NPI number1730102286
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 25, 2006
Last updated in NPPESMarch 7, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolBAYLOR COLLEGE OF MEDICINE
Graduated 1969 (57 years in practice)
Group practice The Oncology Institute Ca, A Professional Corporation — 114 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations6 on file with Medicare

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