Dr. James Simmons, DO

Dr. Simmons practices at Adventist Health Hanford in Hanford, California, part of Adventist Health.

Dr. Simmons' NPI, 1043519853, was assigned on March 18, 2011. Dr. Simmons graduated from Arizona School of Dentistry and Oral Health - Mesa in 2011. Dr. Simmons' California license number on file is 20A12478.

Dr. Simmons' primary practice is Adventist Health Hanford, at 115 Mall Drive, Hanford, CA 93230 in Kings County. The practice phone is (559) 582-9000.

Dr. Simmons' primary practice is Adventist Health Hanford in Hanford, California, part of Adventist Health. Dr. Simmons is also affiliated with Saint Agnes Medical Center. The medical group on file is Vituity. Dmand AI also links Dr. Simmons to 1 more hospital, 4 medical groups, 3 group practices and clinics and 1 hospice, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Simmons practices, 7 sites in all. Vendor and product names are available with a free account.

Hospitalist is Dr. Simmons' primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Simmons is board certified in hospice and palliative medicine by the American Board of Internal Medicine. Dr. Simmons has a license on file in California.

Dmand AI lists acute respiratory failure, cardiac arrhythmia, cellulitis, circulatory problems in extremities, congestive heart failure, electrolyte disorders, gastrointestinal bleeding and gastrointestinal inflammation among the conditions Dr. Simmons treats.

CMS data shows 949 Medicare services from Dr. Simmons across 6 procedure codes in 2024, for 396 Medicare patients. Medicare paid $88,149 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 396 Medicare patients who saw Dr. Simmons in 2024. The largest group is 75 to 84, with 140 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 61% are also on Medicaid. Their average risk score is 2.93, 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. Simmons' median patient age at 74, with 51% women.

In 2024, Dr. Simmons wrote 360 Medicare Part D claims for 158 patients. 87% of them were for generic drugs. CMS names the drug for 117 of them, across 8 drugs with 11 or more claims each, at $7,790 in total drug cost. In 2023, CMS named 94 claims across 7 drugs.

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

CMS Open Payments shows 13 general payments to Dr. Simmons from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 87% of the total. Janssen Pharmaceuticals, Inc paid the most, $163.

Dr. Simmons graduated from Arizona School of Dentistry and Oral Health - Mesa in 2011.

Dr. Simmons is in network with 13 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.