Quick answers
- Does Luke A. Werkhoven accept Medicare assignment?
- Medicare's clinician data says Luke A. Werkhoven may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Luke A. Werkhoven see?
- In 2024, CMS data shows 334 Original Medicare patients and 794 services for Luke A. Werkhoven. This counts Original Medicare only and measures volume, not quality.
- What is Luke A. Werkhoven's NPI number?
- 1861425662. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Luke A. Werkhoven, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 334 |
|---|---|
| Services billed to Medicare | 794 |
| Different services or procedures | 30 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient complete exam of visual system (92014)153 services
- Exam of visual field with extended testing (92083)131 services
- Imaging of optic nerve (92133)103 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)85 services
- Established patient problem focused exam of visual system (92012)83 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol73%
- High blood pressure52%
- Arthritis47%
- Osteoporosis19%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)17%
- Depression16%
Practice locations
Addresses where Luke A. Werkhoven is enrolled with Medicare (CMS data updated October 2, 2026).
- 5300 Hollister AveSanta Barbara, CA 93111 (805) 692‑6977
Group practices
Medicare enrollment lists Luke A. Werkhoven as a member of this group (CMS data updated October 2, 2026).
- Eye and Vision Care Optometric Group5 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Santa Barbara
Clinicians with the same Medicare primary specialty in Santa Barbara, CA — not a recommendation.
Other clinicians in Eye and Vision Care Optometric Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1861425662 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians