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Kleynberg Medical Clinic - Leonid Kleynberg MD

Hematology & Oncology Physician · Oncologist in Los Angeles, CA

6221 Wilshire Boulevard # 504

Los Angeles, CA 90048

(323) 965-9995

Provider details

Specialty
Hematology & Oncology Physician
Credentials
MD
NPI number
1891750212

Checked against the CMS National Provider Identifier registry on October 2, 2026.

Medicare information

Graduated
1976
Group practice
Kleynberg Medical Clinic
Hospital affiliations
  • Cedars-Sinai Medical Center, Los Angeles, CA · Medicare rating 5 out of 5 stars
  • Southern California Hospital at Hollywood, Hollywood, CA · Medicare rating 3 out of 5 stars
  • Pih Health Hospital-Whittier, Whittier, CA · Medicare rating 4 out of 5 stars
Medicare
Accepts Medicare assignment (the Medicare-approved amount as full payment)
Telehealth
Offers telehealth visits

From Medicare’s public Care Compare data (Doctors and Clinicians), checked October 2, 2026. Ratings are Medicare’s, not Know Cancer’s. Medicare Care Compare

About

Kleynberg Medical Clinic - Leonid Kleynberg MD is a hematology & oncology physician in Los Angeles, California, registered with the federal National Provider Identifier (NPI) registry. Contact the provider directly to confirm services, hours and accepted insurance.

Listings are provided for information only and may be out of date. Know Cancer does not endorse any provider. Please confirm details directly with the provider.