Quick answers
- Where does Charles W. Eifrig see patients?
- Medicare's clinician data lists 2 practice locations, including Santa Ana, CA and Laguna Hills, CA. Call before your visit to confirm the address.
- What is Charles W. Eifrig's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Charles W. Eifrig accept Medicare assignment?
- Yes. Medicare's clinician data says Charles W. Eifrig accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Charles W. Eifrig?
- (714) 543-6020, as listed in official Medicare / NPI Registry data.
- What is Charles W. Eifrig's NPI number?
- 1306812979. 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 Charles W. Eifrig is enrolled with Medicare (CMS data updated 2026-10-02).
- 2010 E 1st St, Suite 140Santa Ana, CA 92705 (714) 543‑6020
- 23521 Paseo De Valencia, Suite 207Laguna Hills, CA 92653 (949) 707‑5125
Group practices
Medicare enrollment lists Charles W. Eifrig as a member of this group (CMS data updated 2026-10-02).
- Retina Associates of Orange County5 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Santa Ana
Clinicians with the same Medicare primary specialty in Santa Ana, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of North Carolina At Chapel Hill School Of Medicine |
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306812979 |
| 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