Dr. William Forrest Johnston, MD

Dr. Johnston practices at Ochsner Medical Center - New Orleans in New Orleans, Louisiana, part of Ochsner Health System.

Dr. Johnston's NPI, 1598908253, was assigned on April 10, 2009. Dr. Johnston graduated from Baylor College Of Medicine in 2009. Dr. Johnston holds Louisiana license 306266.

Dr. Johnston's primary practice is Ochsner Medical Center - New Orleans, at 1516 Jefferson Hwy, New Orleans, LA 70121 in Jefferson Parish. The practice phone is (504) 842-3000.

Dr. Johnston's primary practice is Ochsner Medical Center - New Orleans in New Orleans, Louisiana, part of Ochsner Health System. Dr. Johnston is also affiliated with Ochsner Medical Center - Kenner. The medical group on file is Ochsner Health. Dmand AI also links Dr. Johnston to 1 more hospital and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnston practices, 3 sites in all. Vendor and product names are available with a free account.

Colon and rectal surgery is Dr. Johnston's primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dr. Johnston is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. Johnston's licenses on file in 5 states: Louisiana, Alabama, Virginia, Massachusetts and Texas.

Dmand AI lists colonoscopy, colon removal, gastrointestinal obstruction and hemorrhoids among the conditions Dr. Johnston treats.

CMS data shows 160 Medicare services from Dr. Johnston across 7 procedure codes in 2024, for 143 Medicare patients. Medicare paid $11,929 for them.

CMS counts 143 Medicare patients who saw Dr. Johnston in 2024. The largest group is 65 to 74, with 73 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.61, 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. Johnston's median patient age at 67, with 52% women.

In 2024, Dr. Johnston wrote 537 Medicare Part D claims for 295 patients. 78% of them were for generic drugs. CMS names the drug for 417 of them, across 15 drugs with 11 or more claims each, at $36,013 in total drug cost. In 2023, CMS named 499 claims across 17 drugs.

Dr. Johnston accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Johnston as offering telehealth. CMS counts 44 procedures of colonoscopy by Dr. Johnston, more than 61% of the clinicians it reports for that procedure.

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 21 papers to Dr. Johnston, published from 2009 to 2022. 2012 was the busiest year, with 3. The most frequent topics are Aortic Aneurysm, Thoracic, Mice, Inbred C57BL and Stents. Dr. Johnston has published most often in J Vasc Surg. Dr. Johnston's most frequent co-authors are Gilbert R. Upchurch, MD, Gorav Ailawadi, MD and John A. Kern.

CMS Open Payments shows 51 general payments to Dr. Johnston from 22 drug and device companies from 2017 to 2025. Education make up the largest share, 60% of the total. Intuitive Surgical, Inc. paid the most, $10,742.

Dmand AI lists 2 awards for Dr. Johnston.

Dr. Johnston graduated from Baylor College Of Medicine in 2009. Dr. Johnston is a member of ACS and ASCRS.

Dr. Johnston is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.