Darren Osterloh OD Inc
NPI 1487020483 · Optometrist · Westlake Village, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Darren Osterloh OD Inc is a Optometrist organization in Westlake Village, CA (NPI 1487020483).
Provider details
- NPI number
- 1487020483
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Darren Osterloh, Doctor/Owner(805) 777-8888
- License
- OPT9922 (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
Other names (DBA / former)
- Other name
- Darren F Osterloh
Registry dates
- Enumerated
- 2015-08-13
- Last updated
- 2016-03-09
Frequently asked questions
- What is Darren Osterloh OD Inc's NPI number?
- Darren Osterloh OD Inc's National Provider Identifier (NPI) is 1487020483, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Darren Osterloh OD Inc?
- Darren Osterloh OD Inc is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Darren Osterloh OD Inc located?
- Darren Osterloh OD Inc's practice location on file with NPPES is 3900 E Thousand Oaks Blvd, Westlake Village, CA 91362-3654.
- What is Darren Osterloh OD Inc's phone number?
- The practice phone number listed in the NPPES registry for Darren Osterloh OD Inc is (805) 777-8888.
- Does Darren Osterloh OD Inc accept Medicare?
- Darren Osterloh OD Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Darren Osterloh OD Inc?
- The authorized official listed on Darren Osterloh OD Inc's NPPES record is Darren Osterloh, Doctor/Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Darren Osterloh OD Inc's NPI active?
- Yes — Darren Osterloh OD Inc's NPI (1487020483) is active in the NPPES registry as of the last update on 2016-03-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.