OrganizationActive
Marsden & Leung a Professional Corporation
NPI 1942410956 · Optometrist · Simi Valley, CA
Marsden & Leung a Professional Corporation is a Optometrist organization in Simi Valley, CA (NPI 1942410956).
Provider details
- NPI number
- 1942410956
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Harue Marsden, Vice-President(714) 337-0890
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
2845 Cochran St Ste D
Simi Valley, CA 93065-7902
Phone: (805) 527-6824
Fax: (805) 527-9247
Street-level locationGet directions
Mailing address
2845 Cochran St Ste D
Simi Valley, CA 93065-7902
Other names (DBA / former)
- Doing business as
- Diamond Eye Optometry
Registry dates
- Enumerated
- 2007-05-22
- Last updated
- 2016-12-29
Frequently asked questions
- What is Marsden & Leung a Professional Corporation's NPI number?
- Marsden & Leung a Professional Corporation's National Provider Identifier (NPI) is 1942410956, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Marsden & Leung a Professional Corporation?
- Marsden & Leung a Professional Corporation is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Marsden & Leung a Professional Corporation located?
- Marsden & Leung a Professional Corporation's practice location on file with NPPES is 2845 Cochran St Ste D, Simi Valley, CA 93065-7902.
- What is Marsden & Leung a Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for Marsden & Leung a Professional Corporation is (805) 527-6824.
- Who is the authorized official for Marsden & Leung a Professional Corporation?
- The authorized official listed on Marsden & Leung a Professional Corporation's NPPES record is Harue Marsden, Vice-President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Marsden & Leung a Professional Corporation's NPI active?
- Yes — Marsden & Leung a Professional Corporation's NPI (1942410956) is active in the NPPES registry as of the last update on 2016-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.