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

Richard Lessman, MD, Inc

Organization Nephrology Physician · NPI 1619368081

Richard Lessman, MD, Inc is a Nephrology Physician in Thousand Oaks, California. Licensed in California. Registered with an NPI since 2015.

Licensed in
CA
In the registry since
2015
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

227 W Janss Rd
Thousand Oaks, CA 91360-1848
Phone: (805) 496-6051
Fax: (805) 496-6785
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence A23840 (CA)

Record details

NPI number1619368081
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Charlotte Jiwanmall — Manager · (805) 496-6051
NPI enumeratedFebruary 6, 2015
Last updated in NPPESFebruary 6, 2015
Mailing address227 W Janss Rd, Thousand Oaks, CA 91360-1848

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