Dr. William John Knox IV, MD
- Medicare services, 2024
- 1,838
- Medicare patients, 2024
- 1,420
- Hospital affiliations
- 3
- Industry payments
- $12
- Medical groups
- 2
- Practice address
- 1516 Jefferson Hwy, New Orleans, LA 70121
- Practice phone
- Call (504) 842-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Knox's professional email, personal email and mobile number
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Dr. William John Knox IV is a body imaging physician in New Orleans, Louisiana
Dr. Knox practices at Ochsner Medical Center - New Orleans in New Orleans, Louisiana, part of Ochsner Health System.
Dr. Knox's NPI, 1538362496, was assigned on June 7, 2007. Dr. Knox graduated from University of South Alabama College of Medicine in 2002. Dr. Knox holds Louisiana license MD.026190.
- NPI
- 1538362496NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709986276
- NPI enumeration date
- June 7, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (504) 842-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William John Knox IV practices at Ochsner Medical Center - New Orleans in New Orleans, Louisiana
Dr. Knox'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.
- Ochsner Medical Center - New Orleans1516 Jefferson Hwy, New Orleans, LA 70121 · Jefferson ParishPhone(504) 842-3000
Source: Dmand AI Affiliation Data
Dr. William John Knox IV is affiliated with 3 sites of care and 2 medical groups
Dr. Knox's primary practice is Ochsner Medical Center - New Orleans in New Orleans, Louisiana, part of Ochsner Health System. Dr. Knox is also affiliated with Slidell Memorial Hospital. The medical group on file is Ochsner Health. Dmand AI also links Dr. Knox to 1 more hospital and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William John Knox IV's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Knox practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ochsner Medical Center - New Orleans | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William John Knox IV is one of 14 body imaging physicians in Louisiana
Body imaging is Dr. Knox's primary specialty in the NPI Registry, under taxonomy code 2085B0100X. Dr. Knox is licensed in Louisiana.
Specialties and state licenses
- Body imaging, LouisianaPrimary
Body imaging physicians near Dr. Knox
Counts of body imaging physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William John Knox IV billed Medicare for 1,838 services in 2024
CMS data shows 1,838 Medicare services from Dr. Knox across 31 procedure codes in 2024, for 1,420 Medicare patients. Medicare paid $39,246 for them.
Dr. Knox's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1,7752024: 1,775No change
- Other services
- 2023: 422024: 4610%
- Surgery
- 2023: 292024: 1741%
- Tests and treatments
- 2023: 112024: 0100%
Where Dr. Knox's Medicare services took place, 2024
- In an office1,64389%
- In a facility19511%
Dr. Knox compared with the Louisiana median for body imaging physicians, 2024
- Dr. Knox
- Louisiana median
- Medicare services
- 1,838vs 1,21252% above
- Medicare patients
- 1,420vs 1,10429% above
Medians across 15 body imaging physicians in Louisiana with Dmand AI profiles that report each measure.
Dr. Knox's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Knox?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Knox and other body imaging physicians in Louisiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William John Knox IV treated 1,420 Medicare patients in 2024, average age 73
CMS counts 1,420 Medicare patients who saw Dr. Knox in 2024. The largest group is 65 to 74, with 802 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Knox's median patient age at 71, with 75% women.
Dr. Knox's Medicare patients by age, 2024
Dr. Knox's Medicare patients by sex, 2024
- Women1,03773%
- Men38327%
Chronic conditions among Dr. Knox's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Ischemic heart disease30%
- Anxiety28%
- Diabetes28%
- Mood disorders25%
- Chronic kidney disease24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Knox's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women75%
- Men25%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. William John Knox IV takes part in Medicare
Dr. Knox accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. William John Knox IV received $12 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Knox from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Hologic Inc paid the most, $12.
Companies that paid Dr. Knox the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William John Knox IV graduated from University of South Alabama College of Medicine
Dr. Knox graduated from University of South Alabama College of Medicine in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William John Knox IV's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. William John Knox IV
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. William John Knox IV's NPI number?
Dr. William John Knox IV's NPI number is 1538362496. It was assigned on June 7, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. William John Knox IV?
Dr. William John Knox IV is a body imaging physician in New Orleans, Louisiana. The primary specialty in the NPI Registry is Body Imaging Physician (taxonomy code 2085B0100X).
Where does Dr. William John Knox IV practice?
Dr. Knox practices at 1516 Jefferson Hwy, New Orleans, LA 70121. Dr. Knox's primary practice is Ochsner Medical Center - New Orleans in New Orleans, Louisiana, part of Ochsner Health System. Dmand AI also links Dr. Knox to 1 hospital and 1 medical group.
What is Dr. William John Knox IV's office phone number?
The practice phone on file for Dr. Knox is (504) 842-3000.
What is Dr. William John Knox IV's medical license number?
Dr. Knox holds Louisiana license MD.026190.
Which hospitals is Dr. William John Knox IV affiliated with?
Dr. Knox practices at Ochsner Medical Center - New Orleans in New Orleans, Louisiana. Dr. Knox is also affiliated with Slidell Memorial Hospital. Dmand AI links Dr. Knox to 1 more hospital.
What medical group is Dr. William John Knox IV part of?
Dr. Knox is linked to Ochsner Health. Dmand AI links Dr. Knox to 1 more medical group.
Does Dr. William John Knox IV accept Medicare?
Yes. CMS data shows Dr. Knox billed Medicare for 1,838 services in 2024, and Dr. Knox accepts Medicare assignment.
How many Medicare patients does Dr. William John Knox IV see?
CMS counts 1,420 Medicare patients who saw Dr. Knox in 2024, with an average age of 73.
What services does Dr. William John Knox IV bill to Medicare?
In 2024, Dr. Knox's most billed Medicare services were radiation oncology (77063), radiation oncology (77067) and radiation oncology (77080).
Show 3 more questionsShow fewer questions
Where did Dr. William John Knox IV go to medical school?
Dr. Knox graduated from University of South Alabama College of Medicine in 2002.
Has Dr. William John Knox IV received payments from drug or device companies?
CMS Open Payments shows $12 in general payments to Dr. Knox from 1 company from 2022 to 2022. The largest total came from Hologic Inc.
How long has Dr. William John Knox IV been practicing?
Dr. Knox graduated from medical school in 2002, 24 years ago.
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