Dr. William Oliver Samuelson IV, MD
- Medicare services, 2024
- 2,283
- Medicare patients, 2026
- 382
- Part D claims, 2026
- 1,385
- Hospital affiliations
- 5
- Industry payments
- $4,475
- Practice address
- 575 Sioux Point Rd, North Sioux City, SD 57049
- Practice phone
- Call (605) 217-2667
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cnos
North Sioux City, South Dakota
Find Dr. Samuelson'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 Oliver Samuelson IV is an orthopedic surgeon in North Sioux City, South Dakota
Dr. Samuelson practices at Cnos in North Sioux City, South Dakota.
Dr. Samuelson's NPI, 1518374644, was assigned on July 21, 2014. Dr. Samuelson graduated from Texas Tech University Health Science Center School of Medicine in 2014. Dr. Samuelson holds Iowa license 47819.
- NPI
- 1518374644NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547488298
- NPI enumeration date
- July 21, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (605) 217-2667
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Oliver Samuelson IV practices at Cnos in North Sioux City, South Dakota
Dr. Samuelson's primary practice is Cnos, at 575 Sioux Point Rd, North Sioux City, SD 57049 in Union County. The practice phone is (605) 217-2667.
- Cnos575 Sioux Point Rd, North Sioux City, SD 57049 · Union CountyPhone(605) 217-2667
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William Oliver Samuelson IV is affiliated with 8 sites of care and 2 medical groups
Dr. Samuelson's primary practice is Cnos in North Sioux City, South Dakota. Dr. Samuelson is also affiliated with UnityPoint Health - St. Luke's. The medical group on file is CNOS. Dmand AI also links Dr. Samuelson to 4 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William Oliver Samuelson IV's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Samuelson practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cnos | Available with a free account |
| +7 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Oliver Samuelson IV is one of 113 orthopedic surgeons in South Dakota
Orthopaedic surgery is Dr. Samuelson's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dmand AI has Dr. Samuelson's licenses on file in 2 states: Iowa and Minnesota.
Specialties and state licenses
- Orthopaedic surgery, IowaPrimary
- Minnesota license
Orthopedic surgeons near Dr. Samuelson
Counts of orthopedic surgeons 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 Oliver Samuelson IV billed Medicare for 2,283 services in 2024
CMS data shows 2,283 Medicare services from Dr. Samuelson across 25 procedure codes in 2024, for 382 Medicare patients. Medicare paid $158,941 for them.
Dr. Samuelson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 1,1502024: 99613%
- Office and hospital visits
- 2023: 6012024: 5538%
- Surgery
- 2023: 2292024: 37865%
- Imaging
- 2023: 3672024: 3563%
Where Dr. Samuelson's Medicare services took place, 2024
- In an office1,97186%
- In a facility31214%
Dr. Samuelson compared with the South Dakota median for orthopedic surgeons, 2024
- Dr. Samuelson
- South Dakota median
- Medicare services
- 2,283vs 5823.9 times
- Medicare patients
- 382vs 24258% above
- Part D claims
- 1,335vs 7916.9 times
Medians across 116 orthopedic surgeons in South Dakota with Dmand AI profiles that report each measure.
Dr. Samuelson'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Samuelson and other orthopedic surgeons in South Dakota.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William Oliver Samuelson IV treated 382 Medicare patients in 2026, average age 73
CMS counts 382 Medicare patients who saw Dr. Samuelson in 2026. The largest group is 65 to 74, with 189 patients. 75% of them have arthritis, and 75% have high blood pressure. 6% are also on Medicaid. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Samuelson's median patient age at 65, with 54% women.
Dr. Samuelson's Medicare patients by age, 2026
Dr. Samuelson's Medicare patients by sex, 2026
- Women21957%
- Men16343%
Chronic conditions among Dr. Samuelson's Medicare patients, 2026
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Mood disorders31%
- Diabetes30%
- Depression28%
- Anxiety27%
- Chronic kidney disease23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Samuelson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data
Dr. William Oliver Samuelson IV wrote 1,385 Medicare Part D claims in 2026
In 2026, Dr. Samuelson wrote 1,385 Medicare Part D claims for 329 patients. 100% of them were for generic drugs. CMS names the drug for 1,335 of them, across 15 drugs with 11 or more claims each, at $15,841 in total drug cost. In 2023, CMS named 1,469 claims across 15 drugs.
Dr. Samuelson's Part D claims by kind of drug, 2026
- Generic1,381 claims100%
- Brand-name and other4 claims0%
Dr. Samuelson'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. Samuelson's Part D claims, 2026
- Opioids13%184 of 1,385 claims
- Antibiotics5%70 of 1,385 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: 1,4692024: 1,3359%
Drugs named by CMS: 15 in 2024, 15 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), 2026 data
Dr. William Oliver Samuelson IV ranks in the 90th percentile for spinal fusion in Medicare
Dr. Samuelson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 202 procedures of spinal fusion by Dr. Samuelson, more than 90% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Samuelson ranks in Medicare procedure volume
- Spinal fusion
- 90th percentile202 procedures
- Laminectomy or laminotomy (partial removal of spine bones)
- 82nd percentile60 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. William Oliver Samuelson IV received $4,475 in industry payments from 2016 to 2025
CMS Open Payments shows 34 general payments to Dr. Samuelson from 8 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 40% of the total. Orthofix Medical, Inc. paid the most, $1,342.
General payments to Dr. Samuelson by program year, 2016 to 2025
General payments to Dr. Samuelson by kind, 2016 to 2025
- Travel and lodging$1,80640%
- Food and beverage$1,38531%
- Education$1,28429%
Companies that paid Dr. Samuelson 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 Oliver Samuelson IV graduated from Texas Tech University Health Science Center School of Medicine
Dr. Samuelson graduated from Texas Tech University Health Science Center School of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William Oliver Samuelson 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)Doctors and Clinicians Utilization Data (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 Oliver Samuelson 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 Oliver Samuelson IV's NPI number?
Dr. William Oliver Samuelson IV's NPI number is 1518374644. It was assigned on July 21, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. William Oliver Samuelson IV?
Dr. William Oliver Samuelson IV is an orthopedic surgeon in North Sioux City, South Dakota. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. William Oliver Samuelson IV practice?
Dr. Samuelson practices at 575 Sioux Point Rd, North Sioux City, SD 57049. Dr. Samuelson's primary practice is Cnos in North Sioux City, South Dakota. Dmand AI also links Dr. Samuelson to 4 hospitals, 2 group practices and clinics and 1 medical group, and a free account names each one.
What is Dr. William Oliver Samuelson IV's office phone number?
The practice phone on file for Dr. Samuelson is (605) 217-2667. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. William Oliver Samuelson IV's email address?
Dmand AI checks professional and personal email addresses for Dr. Samuelson through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. William Oliver Samuelson IV's medical license number?
Dr. Samuelson holds Iowa license 47819, one of the licenses on file in 2 states.
Which states has Dr. William Oliver Samuelson IV been licensed in?
Dmand AI has state licenses on file for Dr. Samuelson in Iowa and Minnesota.
Which hospitals is Dr. William Oliver Samuelson IV affiliated with?
Dr. Samuelson is affiliated with UnityPoint Health - St. Luke's. Dmand AI links Dr. Samuelson to 4 more hospitals, named with a free account.
What medical group is Dr. William Oliver Samuelson IV part of?
Dr. Samuelson is linked to CNOS. Dmand AI links Dr. Samuelson to 1 more medical group, named with a free account.
Who does Dr. William Oliver Samuelson IV practice with?
Dmand AI links 106 HCPs to Dr. Samuelson's primary medical group, 16 of them orthopedic surgeons. A free account lists them, with verified contacts.
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Does Dr. William Oliver Samuelson IV accept Medicare?
Yes. CMS data shows Dr. Samuelson billed Medicare for 2,283 services in 2024, and Dr. Samuelson accepts Medicare assignment.
How many Medicare patients does Dr. William Oliver Samuelson IV see?
CMS counts 382 Medicare patients who saw Dr. Samuelson in 2026, with an average age of 73.
What services does Dr. William Oliver Samuelson IV bill to Medicare?
In 2024, Dr. Samuelson's most billed Medicare services were injected or infused drug (J3301), office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. William Oliver Samuelson IV go to medical school?
Dr. Samuelson graduated from Texas Tech University Health Science Center School of Medicine in 2014.
What drugs does Dr. William Oliver Samuelson IV prescribe most?
In 2024 Medicare Part D data, Dr. Samuelson's most prescribed drugs by claims were Gabapentin, Methocarbamol and Tramadol HCl.
Has Dr. William Oliver Samuelson IV received payments from drug or device companies?
CMS Open Payments shows $4,475 in general payments to Dr. Samuelson from 8 companies from 2016 to 2025. The largest total came from Orthofix Medical, Inc.
How long has Dr. William Oliver Samuelson IV been practicing?
Dr. Samuelson graduated from medical school in 2014, 12 years ago.
What EHR does Dr. William Oliver Samuelson IV's practice use?
Dmand AI tracks the EHR system at Cnos and at 7 more sites and 1 medical group. The vendor and product are available with a free Dmand AI account.
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