Dr. Roy Anthony Orden, MD

Dr. Orden practices at Allergy & Asthma Medical Group of Diablo Valley Inc in Walnut Creek, California.

Dr. Orden's NPI, 1861781056, was assigned on March 29, 2011. Dr. Orden graduated from University Of Washington School Of Medicine in 2011. Dr. Orden's California license number on file is A141478.

Dr. Orden's primary practice is Allergy & Asthma Medical Group of Diablo Valley Inc, at 370 N Wiget Ln, Walnut Creek, CA 94598 in Contra Costa County. The practice phone is (925) 935-6252.

Dr. Orden's primary practice is Allergy & Asthma Medical Group of Diablo Valley Inc in Walnut Creek, California. Dr. Orden is also affiliated with John Muir Medical Center, Walnut Creek. The medical group on file is Allergy & Asthma Medical Group of the Bay Area. Dmand AI also links Dr. Orden to 1 more group practice or clinic, named with a free account.

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

Allergy is Dr. Orden's primary specialty in the NPI Registry, under taxonomy code 207KA0200X. Dr. Orden is board certified in allergy & immunology by the American Board of Allergy and Immunology. Dmand AI has Dr. Orden's licenses on file in 2 states: California and Maryland.

Dmand AI lists asthma, chronic nasal allergies, chronic sinusitis, hives, immune deficiency disease and upper respiratory infection (URI) among the conditions Dr. Orden treats.

CMS data shows 3,034 Medicare services from Dr. Orden across 11 procedure codes in 2024, for 198 Medicare patients. Medicare paid $42,268 for them. Every service was in an office.

CMS counts 198 Medicare patients who saw Dr. Orden in 2024. The largest group is 65 to 74, with 118 patients. 75% of them have high cholesterol, and 56% have high blood pressure. 10% are also on Medicaid. Their average risk score is 0.83, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Orden's median patient age at 32, with 49% women.

In 2024, Dr. Orden wrote 684 Medicare Part D claims for 143 patients. 61% of them were for generic drugs. CMS names the drug for 577 of them, across 19 drugs with 11 or more claims each, at $183,437 in total drug cost. In 2023, CMS named 540 claims across 17 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Orden for performance year 2024, reported as part of a group. Dr. Orden accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Orden as offering telehealth.

Dmand AI links 4 papers to Dr. Orden, published from 2007 to 2013. The most frequent topics are Comet Assay and DNA Repair. Dr. Orden has published most often in Mutat Res. Dr. Orden's most frequent co-authors are Bruce Davidson and John Hugh Lynch, MD.

Dmand AI links Dr. Orden to 1 clinical trial. Conditions studied include Rhinitis, Allergic and Rhinitis. Open Payments lists research payments to Dr. Orden that name 1 trial.

CMS Open Payments shows 781 general payments to Dr. Orden from 39 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 77% of the total. AstraZeneca Pharmaceuticals LP paid the most, $4,103. It also lists 9 research payments totaling $995 in 2018, naming 1 clinical trial.

Dr. Orden graduated from University Of Washington School Of Medicine in 2011.

Dr. Orden is in network with 14 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.