Quick answers
- Where does Mary L. Demoss see patients?
- Medicare's clinician data lists 4 practice locations, including San Clemente, CA, La Habra, CA and Lake Forest, CA. Call before your visit to confirm the address.
- What is Mary L. Demoss's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Mary L. Demoss accept Medicare assignment?
- Medicare's clinician data says Mary L. Demoss may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Mary L. Demoss?
- (949) 492-1853, as listed in official Medicare / NPI Registry data.
- What is Mary L. Demoss's NPI number?
- 1912958539. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Mary L. Demoss is enrolled with Medicare (CMS data updated 2026-10-02).
- 140 Avenida Del MarSan Clemente, CA 92672 (949) 492‑1853
- 1400 W Imperial Hwy, Suite JLa Habra, CA 90631 (949) 454‑1064
- 23002 Lake Ctr DrLake Forest, CA 92630 (949) 454‑1064
- 30030 Town Ctr DrLaguna Niguel, CA 92677 (949) 495‑3031
Group practices
Medicare enrollment lists Mary L. Demoss as a member of these groups (CMS data updated 2026-10-02).
- Total Vision PC110 clinicians in the group
- Michaels and Vu Od a Professional Corporation3 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in San Clemente
Clinicians with the same Medicare primary specialty in San Clemente, CA — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | Southern California College Of Optometry |
| Graduation year | 1988 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1912958539 |
| 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 2026-10-02, retrieved 2026-10-29
- 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