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

Dr. Leonid Kleynberg, MD

Individual provider Hematology & Oncology Physician · NPI 1891750212

Dr. Leonid Kleynberg, MD is a Hematology/Oncology in Los Angeles, California. Qualified in 1976, 50 years ago. Practices with Kleynberg Medical Clinic Inc, a 2-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
50
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

6221 Wilshire Blvd Ste 504
Los Angeles, CA 90048-5201
Phone: (323) 965-9995
Fax: (323) 965-5678
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence A76900 (CA)

Record details

NPI number1891750212
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 19, 2006
Last updated in NPPESNovember 17, 2011

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolOTHER
Graduated 1976 (50 years in practice)
Group practice Kleynberg Medical Clinic Inc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Los Angeles