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

Mark Harris Leibenhaut, MD

Individual provider Radiation Oncology Physician · NPI 1932108263

Mark Harris Leibenhaut, MD is a Radiation Oncology Physician in Sacramento, California. Licensed in California. Registered with an NPI since 2005.

Licensed in
CA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2800 L St Ste 10
Sacramento, CA 95816-5616
Phone: (916) 454-6600
Fax: (916) 454-6618
Show map & directions

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

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence G56255 (CA)

Record details

NPI number1932108263
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 19, 2005
Last updated in NPPESJuly 10, 2015

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