Dr. Jason Michael Bellak, MD

Dr. Bellak practices at Allergy & Asthma Center in Las Vegas, Nevada.

Dr. Bellak's NPI, 1407951700, was assigned on September 13, 2006. Dr. Bellak graduated from UNR Med in 2000. Dr. Bellak holds Nevada license 21151.

Dr. Bellak's primary practice is Allergy & Asthma Center, at 2625 Box Canyon Dr, Las Vegas, NV 89128 in Clark County. The practice phone is (702) 360-6100.

Dr. Bellak's primary practice is Allergy & Asthma Center in Las Vegas, Nevada. The medical group on file is Allergy & Asthma Center of Las Vegas. Dmand AI also links Dr. Bellak to 2 more group practices and clinics and 1 medical group, each named with a free account.

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

Allergy and immunology is Dr. Bellak's primary specialty in the NPI Registry, under taxonomy code 207K00000X. Dr. Bellak is board certified in allergy & immunology by the American Board of Allergy and Immunology. Dmand AI has Dr. Bellak's licenses on file in 4 states: Nevada, Arizona, Oklahoma and Wisconsin.

Dmand AI lists acute sinusitis, asthma, chronic nasal allergies, hives and immune deficiency disease among the conditions Dr. Bellak treats.

CMS data shows 16,420 Medicare services from Dr. Bellak across 17 procedure codes in 2024, for 463 Medicare patients. Medicare paid $188,286 for them. Every service was in an office.

CMS counts 463 Medicare patients who saw Dr. Bellak in 2024. The largest group is 65 to 74, with 237 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 4% are also on Medicaid. Their average risk score is 1.16, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Bellak's median patient age at 44, with 62% women.

In 2024, Dr. Bellak wrote 1,471 Medicare Part D claims for 317 patients. 73% of them were for generic drugs. CMS names the drug for 1,304 of them, across 27 drugs with 11 or more claims each, at $314,844 in total drug cost. In 2023, CMS named 535 claims across 16 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 22 out of 100 for Dr. Bellak for performance year 2024, reported individually. Dr. Bellak accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 1 paper to Dr. Bellak in 2014. Dr. Bellak's most frequent co-authors are Polly J. Ferguson, Anna Huttenlocher, MD and Taylor Williamson Starnes, MD, PhD.

CMS Open Payments shows 1,469 general payments to Dr. Bellak from 63 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 70% of the total. AstraZeneca Pharmaceuticals LP paid the most, $12,876.

Dr. Bellak graduated from UNR Med in 2000. Dr. Bellak is a member of AAAAI.

Dr. Bellak is in network with 8 carriers, including Aetna, United Healthcare and Aspirus Health Plan. PPO plans come from the most carriers, 4. Check the plan with the practice before a visit.