Dr. William James Calhoun, MD

Dr. Calhoun practices at University of Texas Medical Branch Galveston in Galveston, Texas.

Dr. Calhoun's NPI, 1811056567, was assigned on December 8, 2006. Dr. Calhoun graduated from Pennsylvania State University College of Medicine in 1979. Dr. Calhoun holds Texas license N1274.

Dr. Calhoun's primary practice is University of Texas Medical Branch Galveston, at 301 University Blvd, Galveston, TX 77555 in Galveston County. The practice phone is (409) 772-1011.

Dr. Calhoun's primary practice is University of Texas Medical Branch Galveston in Galveston, Texas. The medical group on file is UTMB Faculty Group Practice.

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

Pulmonary disease is Dr. Calhoun's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Calhoun is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Calhoun's licenses on file in 4 states: Texas, Wisconsin, Pennsylvania and Vermont.

Dmand AI lists asthma, chronic lung disease, chronic obstructive pulmonary disease (COPD) and tobacco use among the conditions Dr. Calhoun treats.

CMS data shows 256 Medicare services from Dr. Calhoun across 6 procedure codes in 2024, for 147 Medicare patients. Medicare paid $6,742 for them.

CMS counts 147 Medicare patients who saw Dr. Calhoun in 2024. The largest group is 65 to 74, with 69 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.84, 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. Calhoun's median patient age at 72, with 65% women.

In 2024, Dr. Calhoun wrote 307 Medicare Part D claims for 42 patients. 36% of them were for generic drugs. CMS names the drug for 218 of them, across 10 drugs with 11 or more claims each, at $220,120 in total drug cost. In 2023, CMS named 260 claims across 9 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Calhoun for performance year 2024, reported as part of a group.

Dmand AI links 171 papers to Dr. Calhoun, published from 2003 to 2024. 2015 was the busiest year, with 11. The most frequent topics are Asthma, Bronchoalveolar Lavage Fluid and Forced Expiratory Volume. Dr. Calhoun has published most often in J Allergy Clin Immunol. Dr. Calhoun's most frequent co-authors are Mario Castro, MD, Benjamin M. Gaston, MD and Sally E. Wenzel, MD.

Dmand AI links Dr. Calhoun to 7 clinical trials, 4 of them phase 3 studies. Conditions studied include Asthma, Respiratory Hypersensitivity and Lung Neoplasms. Milton S. Hershey Medical Center sponsors the most, 4. Open Payments lists research payments to Dr. Calhoun that name 1 trial.

CMS Open Payments shows 585 general payments to Dr. Calhoun from 20 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 64% of the total. Sanofi and Genzyme US Companies paid the most, $344,067. It also lists 19 research payments totaling $12,957 from 2019 to 2021, naming 1 clinical trial.

Dmand AI lists 2 awards for Dr. Calhoun, most recently CMS Stage 1 EHR in 2013.

Dr. Calhoun graduated from Pennsylvania State University College of Medicine in 1979. Dr. Calhoun is a member of AAAAI.

Dr. Calhoun is in network with 22 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 13. Check the plan with the practice before a visit.