The Westlake Ophthalmology Asc, LLC
NPI 1629041157 · Ambulatory Surgical Clinic/Center · Westlake Village, CA
Enrolled with Medicare as Part B Supplier - Ambulatory Surgical Center · source: CMS PECOS Public Provider Enrollment (2026.04.01)
The Westlake Ophthalmology Asc, LLC is a Ambulatory Surgical Clinic/Center organization in Westlake Village, CA (NPI 1629041157).
Provider details
- NPI number
- 1629041157
- Entity type
- Organization
- Primary specialty
- Ambulatory Surgical Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Joel Corwin, Medical Director(805) 583-3950
- License
- 050000450 (CA)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
727 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 451 | $1,326 |
| Removal of Excessive Skin and Fat of Upper Eyelid15823 | 96 | $837 |
| Removal of Recurring Cataract in Lens Capsule Using a Laser66821 | 67 | $344 |
| Complex Removal of Cataract With Insertion of Prosthetic Lens66982 | 40 | $1,213 |
| Dilation of Fluid Outflow Drainage Within Eye66174 | 28 | $2,348 |
| Extensive Repair of Turning-Outward Eyelid Defect67917 | 17 |
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Westlake Eye Surgery Center
- Doing business as
- Westlake Eye Surgery Center
Registry dates
- Enumerated
- 2006-02-07
- Last updated
- 2026-03-03
- Certified
- 2026-03-03
Frequently asked questions
- What is The Westlake Ophthalmology Asc, LLC's NPI number?
- The Westlake Ophthalmology Asc, LLC's National Provider Identifier (NPI) is 1629041157, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is The Westlake Ophthalmology Asc, LLC?
- The Westlake Ophthalmology Asc, LLC is classified in the NPPES registry as Ambulatory Surgical Clinic/Center (Ambulatory Health Care Facilities).
- Where is The Westlake Ophthalmology Asc, LLC located?
- The Westlake Ophthalmology Asc, LLC's practice location on file with NPPES is 2900 Townsgate Rd, Westlake Village, CA 91361-3001.
- What is The Westlake Ophthalmology Asc, LLC's phone number?
- The practice phone number listed in the NPPES registry for The Westlake Ophthalmology Asc, LLC is (805) 496-6789.
- Does The Westlake Ophthalmology Asc, LLC accept Medicare?
- The Westlake Ophthalmology Asc, LLC 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 The Westlake Ophthalmology Asc, LLC?
- The authorized official listed on The Westlake Ophthalmology Asc, LLC's NPPES record is Joel Corwin, Medical Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is The Westlake Ophthalmology Asc, LLC's NPI active?
- Yes — The Westlake Ophthalmology Asc, LLC's NPI (1629041157) is active in the NPPES registry as of the last update on 2026-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.