Dr. Marcus Zachariah, MD, PhD

Dr. Zachariah practices at Neurosurgical Medical Clinic, Inc in San Diego, California.

Dr. Zachariah's NPI, 1477817187, was assigned on June 27, 2012. Dr. Zachariah graduated from UCSF School of Medicine in 2012. Dr. Zachariah's Ohio license number on file is 35135874.

Dr. Zachariah's primary practice is Neurosurgical Medical Clinic, Inc, at 3750 Convoy St, San Diego, CA 92111 in San Diego County. The practice phone is (619) 297-4481.

Dr. Zachariah's primary practice is Neurosurgical Medical Clinic, Inc in San Diego, California. Dr. Zachariah is also affiliated with Sharp Memorial Hospital. The medical group on file is Emergency and Acute Care Medical Corporation. Dmand AI also links Dr. Zachariah to 1 more hospital, 3 group practices and clinics and 2 medical groups, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zachariah practices, 5 sites in all. Vendor and product names are available with a free account.

Neurological surgery is Dr. Zachariah's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Zachariah is board certified in neurological surgery by the American Board of Neurological Surgery. Dmand AI has Dr. Zachariah's licenses on file in 4 states: Ohio, California, Mississippi and Massachusetts.

Dmand AI lists back and neck pain treatment without fusion, craniotomy, lower back pain and spinal fusion among the conditions Dr. Zachariah treats.

CMS data shows 195 Medicare services from Dr. Zachariah across 7 procedure codes in 2024, for 121 Medicare patients. Medicare paid $23,536 for them.

CMS counts 121 Medicare patients who saw Dr. Zachariah in 2024. The largest group is 65 to 74, with 54 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 30% are also on Medicaid. Their average risk score is 1.89, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Zachariah's median patient age at 67, with 50% women.

In 2024, Dr. Zachariah wrote 55 Medicare Part D claims for 28 patients. 100% of them were for generic drugs. CMS names the drug for 17 of them, across 1 drug with 11 or more claims each, at $130 in total drug cost. In 2023, CMS named 13 claims across 1 drug.

Dr. Zachariah accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 102 procedures of spinal fusion by Dr. Zachariah, more than 74% of the clinicians it reports for that procedure.

Dmand AI links 28 papers to Dr. Zachariah, published from 2007 to 2025. 2020 was the busiest year, with 5. The most frequent topics are Neurosurgical Procedures, Pituitary Neoplasms and Tumor Cells, Cultured. Dr. Zachariah has published most often in World Neurosurg. Dr. Zachariah's most frequent co-authors are Ricardo L. Carrau, MD, Gustavo Daniel Luzardo, MD and Douglas A. Hardesty, MD.

CMS Open Payments shows 39 general payments to Dr. Zachariah from 12 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 94% of the total. Kyocera Medical Technologies, Inc. paid the most, $42,423.

Dr. Zachariah graduated from UCSF School of Medicine in 2012.

Dr. Zachariah is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.