Richard Lessman, M.D., Inc.
NPI 1619368081 · Nephrology Physician · Thousand Oaks, CA
Richard Lessman, M.D., Inc. is a Nephrology Physician organization in Thousand Oaks, CA (NPI 1619368081).
Provider details
- NPI number
- 1619368081
- Entity type
- Organization
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Charlotte Jiwanmall, Manager(805) 496-6051
- License
- A23840 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-02-06
- Last updated
- 2015-02-06
Frequently asked questions
- What is Richard Lessman, M.D., Inc.'s NPI number?
- Richard Lessman, M.D., Inc.'s National Provider Identifier (NPI) is 1619368081, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Richard Lessman, M.D., Inc.?
- Richard Lessman, M.D., Inc. is classified in the NPPES registry as Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Lessman, M.D., Inc. located?
- Richard Lessman, M.D., Inc.'s practice location on file with NPPES is 227 W Janss Rd, Thousand Oaks, CA 91360-1848.
- What is Richard Lessman, M.D., Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Richard Lessman, M.D., Inc. is (805) 496-6051.
- Who is the authorized official for Richard Lessman, M.D., Inc.?
- The authorized official listed on Richard Lessman, M.D., Inc.'s NPPES record is Charlotte Jiwanmall, Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Richard Lessman, M.D., Inc.'s NPI active?
- Yes — Richard Lessman, M.D., Inc.'s NPI (1619368081) is active in the NPPES registry as of the last update on 2015-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.