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Ophthalmology

Delmer D. Fjarli, MD

Sees patients in Clearlake, CA · California

Summary

Dr. Delmer D. Fjarli, MD is an ophthalmologist at 15630 18th Ave, Clearlake, CA 95422. Phone: (707) 994-6486. Accepts Medicare assignment. NPI 1154783421. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 15630 18th Ave, Clearlake, CA 95422 · Directions
  • Phone: (707) 994‑6486
  • Medicare: Accepts Medicare assignment
  • Group practice: Adventist Health Clearlake Hospital Inc.
  • Medical school: Loma Linda University School Of Medicine · graduated 1964 (62 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Delmer D. Fjarli, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Delmer D. Fjarli accept Medicare assignment?
Yes. Medicare's clinician data says Delmer D. Fjarli accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Delmer D. Fjarli's NPI number?
1154783421. 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 Delmer D. Fjarli is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Delmer D. Fjarli as a member of this group (CMS data updated October 2, 2026).

  • Adventist Health Clearlake Hospital Inc.87 clinicians in the group

Specialties

Find other Ophthalmology doctors in California →

Other ophthalmologists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All ophthalmologists in California →

Other clinicians in Adventist Health Clearlake Hospital Inc.

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolLoma Linda University School Of Medicine
Graduation year1964 (62 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1154783421
CorrectionsReport 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

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians