Dr. Isaac Matthew Chambers, MD

Dr. Chambers practices at Hays Medical Center in Hays, Kansas, part of Hays Medical Center.

Dr. Chambers' NPI, 1497168777, was assigned on June 4, 2014. Dr. Chambers holds Kansas license 0438241.

Dr. Chambers' primary practice is Hays Medical Center, at 2220 Canterbury Drive, Hays, KS 67601 in Ellis County. The practice phone is (785) 623-5000.

Dr. Chambers' primary practice is Hays Medical Center in Hays, Kansas, part of Hays Medical Center. Dr. Chambers is also affiliated with Rooks County Health Center. The medical group on file is Hays Medical Center (HaysMed). Dmand AI also links Dr. Chambers to 3 more hospitals and 1 hospice, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chambers practices, 6 sites in all. Vendor and product names are available with a free account.

Hematology and oncology is Dr. Chambers' primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Chambers is licensed in Kansas.

CMS data shows 1,670 Medicare services from Dr. Chambers across 10 procedure codes in 2024, for 464 Medicare patients. Medicare paid $93,609 for them.

CMS counts 464 Medicare patients who saw Dr. Chambers in 2024. The largest group is 65 to 74, with 225 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.88, 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. Chambers' median patient age at 69, with 56% women.

In 2024, Dr. Chambers wrote 658 Medicare Part D claims for 138 patients. 77% of them were for generic drugs. CMS names the drug for 448 of them, across 16 drugs with 11 or more claims each, at $770,864 in total drug cost. In 2023, CMS named 366 claims across 11 drugs.

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

Dmand AI links 4 papers to Dr. Chambers, published from 2016 to 2021. Dr. Chambers has published most often in Cureus. Dr. Chambers' most frequent co-authors are Steven R. Bailey, MD, Adithya Chennamadhavuni, MD and Rohan Garje, MD.

CMS Open Payments shows 304 general payments to Dr. Chambers from 58 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 97% of the total. Pfizer Inc. paid the most, $670.