Dr. William J. Knox, DO
- Medicare services, 2024
- 231
- Medicare patients, 2024
- 85
- Part D claims, 2024
- 1,339
- Hospital affiliations
- 2
- Industry payments
- $4,903
- Practice address
- 1000 W 10th St, Rolla, MO 65401
- Practice phone
- Call (573) 458-8899
- 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
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. William J. Knox is an anesthesiologist in Rolla, Missouri
Dr. Knox practices at Phelps Health Hospital in Rolla, Missouri, part of Phelps County.
Dr. Knox's NPI, 1205989084, was assigned on January 18, 2007. Dr. Knox graduated from Kansas City Medical College in 2004. Dr. Knox holds Missouri license 2006002690.
- NPI
- 1205989084NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345344826
- NPI enumeration date
- January 18, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (573) 458-8899
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William J. Knox practices at Phelps Health Hospital in Rolla, Missouri
Dr. Knox's primary practice is Phelps Health Hospital, at 1000 W 10th St, Rolla, MO 65401 in Phelps County. The practice phone is (573) 458-8899.
- Phelps Health Hospital1000 W 10th St, Rolla, MO 65401 · Phelps CountyPhone(573) 458-8899
Source: Dmand AI Affiliation Data
Dr. William J. Knox is affiliated with 2 sites of care and 2 medical groups
Dr. Knox's primary practice is Phelps Health Hospital in Rolla, Missouri, part of Phelps County. The medical group on file is Phelps Health Medical Group. Dmand AI also links Dr. Knox to 1 more hospital and 1 medical group, each named with a free account. Dr. Knox's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William J. Knox's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Knox practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Phelps Health Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Phelps County and 6.2K+ hospitals, with verified contacts in the same login.
Dr. William J. Knox is one of 819 anesthesiologists in Missouri
Anesthesiology is Dr. Knox's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Knox is licensed in Missouri.
Specialties and state licenses
- Anesthesiology, MissouriPrimary
Anesthesiologists near Dr. Knox
Counts of anesthesiologists 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 J. Knox billed Medicare for 231 services in 2024
CMS data shows 231 Medicare services from Dr. Knox across 7 procedure codes in 2024, for 85 Medicare patients. Medicare paid $17,455 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Knox's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 3182024: 23127%
Dr. Knox compared with the Missouri median for anesthesiologists, 2024
- Dr. Knox
- Missouri median
- Medicare services
- 231vs 753.1 times
- Medicare patients
- 85vs 14039% below
- Part D claims
- 1,307vs 2259.4 times
Medians across 839 anesthesiologists in Missouri 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 anesthesiologists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William J. Knox treated 85 Medicare patients in 2024, average age 70
CMS counts 85 Medicare patients who saw Dr. Knox in 2024. The largest group is 65 to 74, with 32 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.23, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Knox's median patient age at 73, with 59% women.
Dr. Knox's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Knox's Medicare patients by sex, 2024
- Women5362%
- Men3238%
Chronic conditions among Dr. Knox's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol74%
- Anxiety45%
- Mood disorders44%
- Depression40%
- Diabetes39%
- COPD33%
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 73
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William J. Knox wrote 1,339 Medicare Part D claims in 2024
In 2024, Dr. Knox wrote 1,339 Medicare Part D claims for 192 patients. 96% of them were for generic drugs. CMS names the drug for 1,307 of them, across 14 drugs with 11 or more claims each, at $47,345 in total drug cost. In 2023, CMS named 1,148 claims across 12 drugs.
Dr. Knox's Part D claims by kind of drug, 2024
- Generic1,292 claims96%
- Brand-name47 claims4%
Dr. Knox's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Knox's Part D claims, 2024
- Opioids79%1,060 of 1,339 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,1482024: 1,30714%
Drugs named by CMS: 14 in 2024, 12 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. William J. Knox 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. William J. Knox received $4,903 in industry payments from 2016 to 2025
CMS Open Payments shows 179 general payments to Dr. Knox from 28 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 79% of the total. Medtronic USA, Inc. paid the most, $1,825.
General payments to Dr. Knox by program year, 2016 to 2025
General payments to Dr. Knox by kind, 2016 to 2025
- Food and beverage$3,85979%
- Travel and lodging$1,04421%
Companies that paid Dr. Knox the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William J. Knox graduated from Kansas City Medical College
Dr. Knox graduated from Kansas City Medical College in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William J. Knox'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) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - 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 J. Knox
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 J. Knox's NPI number?
Dr. William J. Knox's NPI number is 1205989084. It was assigned on January 18, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. William J. Knox?
Dr. William J. Knox is an anesthesiologist in Rolla, Missouri. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. William J. Knox practice?
Dr. Knox practices at 1000 W 10th St, Rolla, MO 65401. Dr. Knox's primary practice is Phelps Health Hospital in Rolla, Missouri, part of Phelps County. Dmand AI also links Dr. Knox to 1 hospital and 1 medical group.
What is Dr. William J. Knox's office phone number?
The practice phone on file for Dr. Knox is (573) 458-8899.
What is Dr. William J. Knox's medical license number?
Dr. Knox holds Missouri license 2006002690.
Which hospitals is Dr. William J. Knox affiliated with?
Dr. Knox practices at Phelps Health Hospital in Rolla, Missouri. Dmand AI links Dr. Knox to 1 more hospital.
What medical group is Dr. William J. Knox part of?
Dr. Knox is linked to Phelps Health Medical Group. Dmand AI links Dr. Knox to 1 more medical group.
Does Dr. William J. Knox accept Medicare?
Yes. CMS data shows Dr. Knox billed Medicare for 231 services in 2024, and Dr. Knox accepts Medicare assignment.
How many Medicare patients does Dr. William J. Knox see?
CMS counts 85 Medicare patients who saw Dr. Knox in 2024, with an average age of 70.
What services does Dr. William J. Knox bill to Medicare?
In 2024, Dr. Knox's most billed Medicare services were surgery: brain, spine and nerves (64483), surgery: brain, spine and nerves (64636) and surgery: bones and joints (27096).
Show 4 more questionsShow fewer questions
Where did Dr. William J. Knox go to medical school?
Dr. Knox graduated from Kansas City Medical College in 2004.
What drugs does Dr. William J. Knox prescribe most?
In 2024 Medicare Part D data, Dr. Knox's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Oxycodone-Acetaminophen and Diazepam.
Has Dr. William J. Knox received payments from drug or device companies?
CMS Open Payments shows $4,903 in general payments to Dr. Knox from 28 companies from 2016 to 2025. The largest total came from Medtronic USA, Inc.
How long has Dr. William J. Knox been practicing?
Dr. Knox graduated from medical school in 2004, 22 years ago.
Selling to anesthesiology practices?
See anesthesiologists in Missouri by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card