Dr. Charles William Gustav Eifrig, MD

Dr. Eifrig practices at Saddleback Pain and Surgical Center in Laguna Hills, California.

Dr. Eifrig's NPI, 1306812979, was assigned on February 24, 2006. Dr. Eifrig graduated from University of North Carolina School of Medicine in 1997. Dr. Eifrig holds California license C53104.

Dr. Eifrig's primary practice is Saddleback Pain and Surgical Center, at 23521 Paseo De Valencia, Suite 204, Laguna Hills, CA 92653. The practice phone is (949) 458-2026.

Dr. Eifrig's primary practice is Saddleback Pain and Surgical Center in Laguna Hills, California. Dmand AI also links Dr. Eifrig to 1 group practice or clinic and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Eifrig practices, 2 sites in all. Vendor and product names are available with a free account.

Retina specialist is Dr. Eifrig's primary specialty in the NPI Registry, under taxonomy code 207WX0107X. Dr. Eifrig is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Eifrig's licenses on file in 4 states: California, Florida, North Carolina and Texas.

Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, dry eye, eyelid inflammation, glaucoma, hypertensive retinopathy and inflammation of iris among the conditions Dr. Eifrig treats.

CMS data shows 54,899 Medicare services from Dr. Eifrig across 18 procedure codes in 2024, for 1,339 Medicare patients. Medicare paid $2,665,353 for them. Every service was in an office.

CMS counts 1,339 Medicare patients who saw Dr. Eifrig in 2024. The largest group is 75 to 84, with 543 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 10% are also on Medicaid. Their average risk score is 1.29, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Eifrig's median patient age at 76, with 56% women.

In 2024, Dr. Eifrig wrote 469 Medicare Part D claims for 134 patients. 52% of them were for generic drugs. CMS names the drug for 413 of them, across 7 drugs with 11 or more claims each, at $18,274 in total drug cost. In 2023, CMS named 208 claims across 5 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Eifrig for performance year 2024, reported as part of a group. Dr. Eifrig accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 9 papers to Dr. Eifrig. The most frequent topics are Eye Infections, Bacterial, Visual Acuity and Anti-Bacterial Agents. Dr. Eifrig has published most often in Arch Ophthalmol. Dr. Eifrig's most frequent co-authors are Harry W. Flynn, MD, Matthew S. Benz, MD and Timothy G. Murray, MBA, MD.

Dmand AI links Dr. Eifrig to 1 clinical trial.

CMS Open Payments shows 526 general payments to Dr. Eifrig from 26 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 43% of the total. Genentech, Inc. paid the most, $174,031.

Dmand AI lists 2 awards for Dr. Eifrig.

Dr. Eifrig graduated from University of North Carolina School of Medicine in 1997. Dr. Eifrig is a member of AAO and ACS.

Dr. Eifrig is in network with 12 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.