Dr. John William Allen Jr., MD

Dr. Allen practices at Methodist Olive Branch Hospital in Olive Branch, Mississippi, part of Methodist Le Bonheur Healthcare.

Dr. Allen's NPI, 1801868666, was assigned on February 6, 2006. Dr. Allen graduated from University of Mississippi School of Medicine in 1998. Dr. Allen's Mississippi license number on file is 17289.

Dr. Allen's primary practice is Methodist Olive Branch Hospital, at 4250 Bethel Road, Olive Branch, MS 38654 in De Soto County. The practice phone is (662) 932-9000.

Dr. Allen's primary practice is Methodist Olive Branch Hospital in Olive Branch, Mississippi, part of Methodist Le Bonheur Healthcare. Dr. Allen is also affiliated with Methodist University Hospital. The medical group on file is Sound Physicians. Dmand AI also links Dr. Allen to 2 more hospitals, 3 home health agencies, 3 medical groups and 2 group practices and clinics, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Allen practices, 9 sites in all. Vendor and product names are available with a free account.

Internal medicine is Dr. Allen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Allen is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Allen's licenses on file in 2 states: Mississippi and Tennessee.

Dmand AI lists acid reflux, acute mini-stroke (TIA), acute sinusitis, acute skin infection, aneurysm, anxiety, arteritis and arthritis among the conditions Dr. Allen treats.

CMS data shows 1,929 Medicare services from Dr. Allen across 12 procedure codes in 2024, for 555 Medicare patients. Medicare paid $113,307 for them. Every service was in an office.

CMS counts 555 Medicare patients who saw Dr. Allen in 2024. The largest group is 65 to 74, with 235 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.21, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Allen's median patient age at 72, with 50% women.

In 2024, Dr. Allen wrote 15,007 Medicare Part D claims for 785 patients. 90% of them were for generic drugs. CMS names the drug for 14,120 of them, across 178 drugs with 11 or more claims each, at $961,869 in total drug cost. In 2023, CMS named 13,649 claims across 187 drugs.

Dr. Allen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Allen as offering telehealth.

Dmand AI links 1 paper to Dr. Allen in 2017. Dr. Allen's most frequent co-authors are Jennifer Elliott Allen, MD, Julie Lynne Allen, MD and Andrew C. Mehta, MD.

CMS Open Payments shows 30 general payments to Dr. Allen from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 92% of the total. AstraZeneca Pharmaceuticals LP paid the most, $96.

Dmand AI lists 1 award for Dr. Allen, most recently NCQA DRP in 2015.

Dr. Allen graduated from University of Mississippi School of Medicine in 1998. Dr. Allen is a member of SHM.

Dr. Allen is in network with 15 carriers, including Aetna, Elevance and Cigna. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.