Dr. Marco Diaz, MD

Dr. Diaz practices at Las Palmas Medical Center in El Paso, Texas, part of HCA Healthcare.

Dr. Diaz's NPI, 1104015577, was assigned on October 22, 2007. Dr. Diaz graduated from The University of New Mexico School of Medicine in 2006. Dr. Diaz holds Texas license N0730.

Dr. Diaz's primary practice is Las Palmas Medical Center, at 1801 North Oregon Street, El Paso, TX 79902 in El Paso County. The practice phone is (915) 521-1200.

Dr. Diaz's primary practice is Las Palmas Medical Center in El Paso, Texas, part of HCA Healthcare. The medical group on file is Questcare Medical Clinic. Dmand AI also links Dr. Diaz to 5 more medical groups and 1 group practice or clinic, each named with a free account.

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

Emergency medicine is Dr. Diaz's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Diaz is board certified in family medicine by the American Board of Family Medicine. Dmand AI has Dr. Diaz's licenses on file in 3 states: Texas, Montana and Illinois.

Dmand AI lists acute sinusitis, asthma, chronic anemia, chronic diabetes, chronic hypertension, chronic obstructive pulmonary disease (COPD), coronary artery disease and diabetic emergency among the conditions Dr. Diaz treats.

CMS data shows 325 Medicare services from Dr. Diaz across 5 procedure codes in 2024, for 244 Medicare patients. Medicare paid $29,678 for them.

CMS counts 244 Medicare patients who saw Dr. Diaz in 2024. The largest group is 65 to 74, with 83 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 2.27, 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. Diaz's median patient age at 43, with 56% women.

In 2024, Dr. Diaz wrote 988 Medicare Part D claims for 304 patients. 89% of them were for generic drugs. CMS names the drug for 597 of them, across 28 drugs with 11 or more claims each, at $21,618 in total drug cost. In 2023, CMS named 650 claims across 24 drugs.

Dr. Diaz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Diaz as offering telehealth.

Dmand AI links 3 papers to Dr. Diaz, published from 2015 to 2019. Dr. Diaz's most frequent co-authors are Faraz Ahmed, MD, Justin M. Poltak, MD and James B. Powers, MD.

CMS Open Payments shows 52 general payments to Dr. Diaz from 14 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $491.

Dr. Diaz graduated from The University of New Mexico School of Medicine in 2006.

Dr. Diaz is in network with 24 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 14. Check the plan with the practice before a visit.