Arthroplasty, Replacement, KneeCadaverFemur
Dr. Spencer Hayden Amundsen, MD
NPI1841517257PAC ID0749589125
- Medicare services, 2024
- 1,499
- Medicare patients, 2024
- 314
- Part D claims, 2024
- 261
- Publications
- 3
- Hospital affiliations
- 1
- Practice address
- 96 East Kimballs Lane, Suite 100, Draper, UT 84020
- Practice phone
- Call (801) 233-9300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Lone Peak Surgery Center
Surgery Center - Medicare-Certified · Draper, Utah
Find Dr. Amundsen's professional email, personal email and mobile number
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Dr. Spencer Hayden Amundsen is an orthopedic surgeon in Draper, Utah
Dr. Amundsen practices at Lone Peak Surgery Center in Draper, Utah.
Dr. Amundsen's NPI, 1841517257, was assigned on April 24, 2010. Dr. Amundsen graduated from Spencer Fox Eccles School of Medicine in 2010. Dr. Amundsen holds Utah license 9655914-1205.
NPI and contact details
- NPI
- 1841517257NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749589125
- NPI enumeration date
- April 24, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (801) 233-9300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Spencer Hayden Amundsen practices at Lone Peak Surgery Center in Draper, Utah
Dr. Amundsen's primary practice is Lone Peak Surgery Center, at 96 East Kimballs Lane, Suite 100, Draper, UT 84020. The practice phone is (801) 233-9300.
- Lone Peak Surgery Center96 East Kimballs Lane, Suite 100, Draper, UT 84020Phone(801) 233-9300
Source: Dmand AI Affiliation Data
Dr. Spencer Hayden Amundsen is affiliated with 5 sites of care and 2 medical groups
Dr. Amundsen's primary practice is Lone Peak Surgery Center in Draper, Utah. Dr. Amundsen is also affiliated with Lone Peak Hospital. The medical group on file is Physician Group of Utah. Dmand AI also links Dr. Amundsen to 2 more group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.
Lone Peak Surgery CenterPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Spencer Hayden Amundsen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Amundsen practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lone Peak Surgery Center | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Spencer Hayden Amundsen is one of 231 orthopedic surgeons in Utah
Orthopaedic surgery is Dr. Amundsen's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Amundsen is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Amundsen's licenses on file in 4 states: Utah, New Hampshire, New York and Massachusetts.
Specialties and state licenses
- Orthopaedic surgery, UtahPrimary
- New Hampshire license
- New York license
- Massachusetts license
Clinical focus
Dmand AI lists arthritis, bursitis, fluid in a joint, hip replacement, joint pain, knee arthroscopy, knee injury and knee replacement among the conditions Dr. Amundsen treats.
Orthopedic surgeons near Dr. Amundsen
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
231orthopedic surgeons in Utah
7orthopedic surgeons in Draper
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Spencer Hayden Amundsen billed Medicare for 1,499 services in 2024
CMS data shows 1,499 Medicare services from Dr. Amundsen across 15 procedure codes in 2024, for 314 Medicare patients. Medicare paid $138,521 for them.
Medicare services, 20241,499
Medicare patients314
Paid by Medicare$138,521
Procedure codes15
Dr. Amundsen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 4002024: 48020%
- Imaging
- 2023: 3962024: 4196%
- Office and hospital visits
- 2023: 3202024: 35712%
- Surgery
- 2023: 1842024: 1914%
- Other services
- 2023: 202024: 52160%
Where Dr. Amundsen's Medicare services took place, 2024
- In an office1,36691%
- In a facility1339%
Dr. Amundsen compared with the Utah median for orthopedic surgeons, 2024
- Dr. Amundsen
- Utah median
- Medicare services
- 1,499vs 6222.4 times
- Medicare patients
- 314vs 15899% above
- Part D claims
- 158vs 8195% above
Medians across 228 orthopedic surgeons in Utah with Dmand AI profiles that report each measure.
Dr. Amundsen'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. Amundsen and other orthopedic surgeons in Utah.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Spencer Hayden Amundsen treated 314 Medicare patients in 2024, average age 73
CMS counts 314 Medicare patients who saw Dr. Amundsen in 2024. The largest group is 65 to 74, with 180 patients. 75% of them have arthritis, and 71% have high cholesterol. Their average risk score is 1.06, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Amundsen's median patient age at 69, with 56% women.
Medicare patients, 2024314
Average age73
Average risk score1.06
Dr. Amundsen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Amundsen's Medicare patients by sex, 2024
- Women19963%
- Men11537%
Chronic conditions among Dr. Amundsen's Medicare patients, 2024
- Arthritis75%
- High cholesterol71%
- High blood pressure67%
- Mood disorders32%
- Depression31%
- Anxiety27%
- Chronic kidney disease23%
- Diabetes23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Amundsen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women56%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Spencer Hayden Amundsen wrote 261 Medicare Part D claims in 2024
In 2024, Dr. Amundsen wrote 261 Medicare Part D claims for 128 patients. 97% of them were for generic drugs. CMS names the drug for 158 of them, across 4 drugs with 11 or more claims each, at $1,054 in total drug cost. In 2023, CMS named 166 claims across 6 drugs.
Part D claims, 2024261
Drugs named by CMS4
Total drug cost$1,054
Part D patients128
Dr. Amundsen's Part D claims by kind of drug, 2024
- Generic253 claims97%
- Brand-name and other8 claims3%
Dr. Amundsen'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. Amundsen's Part D claims, 2024
- Opioids5%14 of 261 claims
- Antibiotics43%113 of 261 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: 1662024: 1585%
Drugs named by CMS: 4 in 2024, 6 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
Dr. Spencer Hayden Amundsen ranks in the 89th percentile for knee replacement in Medicare
Dr. Amundsen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 78 procedures of knee replacement by Dr. Amundsen, more than 89% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Amundsen ranks in Medicare procedure volume
- Knee replacement
- 89th percentile78 procedures
- Hip replacement
- 76th percentile30 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. Spencer Hayden Amundsen has 3 publications on record
Dmand AI links 3 papers to Dr. Amundsen in 2018. Dr. Amundsen's most frequent co-authors are Karl Marc Koenig, MD and Geoffrey H. Westrich, MD.
Papers3
Dr. Amundsen's most frequent co-authors
Recent publications by Dr. Amundsen
See who Dr. Amundsen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Amundsen works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Spencer Hayden Amundsen received $37,624 in industry payments from 2016 to 2025
CMS Open Payments shows 268 general payments to Dr. Amundsen from 23 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 65% of the total. Stryker Corporation paid the most, $12,794.
General payments to Dr. Amundsen by program year, 2016 to 2025
General payments to Dr. Amundsen by kind, 2016 to 2025
$37.6Kin total
- Travel and lodging$24,32165%
- Food and beverage$9,05324%
- Consulting fees$2,7507%
- Honoraria$1,5004%
Companies that paid Dr. Amundsen 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. Spencer Hayden Amundsen graduated from Spencer Fox Eccles School of Medicine
Dr. Amundsen graduated from Spencer Fox Eccles School of Medicine in 2010. Dr. Amundsen is a member of AAOS and AAHKS.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. Spencer Hayden Amundsen accepts plans from 17 insurance carriers
Dr. Amundsen is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Molina
- Alliant Health Plans
- Aspirus Health Plan
- +9 more carriersWith a free account
Plan types Dr. Amundsen accepts, by number of carriers
- PPO11
- Medicare10
- HMO9
- EPO4
- POS4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Spencer Hayden Amundsen'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Spencer Hayden Amundsen
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. Spencer Hayden Amundsen's NPI number?
Dr. Spencer Hayden Amundsen's NPI number is 1841517257. It was assigned on April 24, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Spencer Hayden Amundsen?
Dr. Spencer Hayden Amundsen is an orthopedic surgeon in Draper, Utah. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Spencer Hayden Amundsen practice?
Dr. Amundsen practices at 96 East Kimballs Lane, Suite 100, Draper, UT 84020. Dr. Amundsen's primary practice is Lone Peak Surgery Center in Draper, Utah. Dmand AI also links Dr. Amundsen to 2 group practices and clinics, 1 home health agency and 1 medical group.
What is Dr. Spencer Hayden Amundsen's office phone number?
The practice phone on file for Dr. Amundsen is (801) 233-9300.
What is Dr. Spencer Hayden Amundsen's medical license number?
Dr. Amundsen holds Utah license 9655914-1205, one of the licenses on file in 4 states.
Which states has Dr. Spencer Hayden Amundsen been licensed in?
Dmand AI has state licenses on file for Dr. Amundsen in Utah (2016 to 2026), New Hampshire (2013 to 2017), New York (2015 to 2016) and Massachusetts (2012 to 2013).
Which hospitals is Dr. Spencer Hayden Amundsen affiliated with?
Dr. Amundsen is affiliated with Lone Peak Hospital.
What medical group is Dr. Spencer Hayden Amundsen part of?
Dr. Amundsen is linked to Physician Group of Utah. Dmand AI links Dr. Amundsen to 1 more medical group.
Does Dr. Spencer Hayden Amundsen accept Medicare?
Yes. CMS data shows Dr. Amundsen billed Medicare for 1,499 services in 2024, and Dr. Amundsen accepts Medicare assignment.
How many Medicare patients does Dr. Spencer Hayden Amundsen see?
CMS counts 314 Medicare patients who saw Dr. Amundsen in 2024, with an average age of 73.
Show 9 more questionsShow fewer questions
Is Dr. Spencer Hayden Amundsen board certified?
Yes. Dr. Amundsen is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
What services does Dr. Spencer Hayden Amundsen bill to Medicare?
In 2024, Dr. Amundsen's most billed Medicare services were injected or infused drug (J3301), office visit, established patient (99214) and diagnostic imaging (73562).
Where did Dr. Spencer Hayden Amundsen go to medical school?
Dr. Amundsen graduated from Spencer Fox Eccles School of Medicine in 2010.
What drugs does Dr. Spencer Hayden Amundsen prescribe most?
In 2024 Medicare Part D data, Dr. Amundsen's most prescribed drugs by claims were Amoxicillin, Meloxicam and Mupirocin.
Has Dr. Spencer Hayden Amundsen received payments from drug or device companies?
CMS Open Payments shows $37,624 in general payments to Dr. Amundsen from 23 companies from 2016 to 2025. The largest total came from Stryker Corporation.
How long has Dr. Spencer Hayden Amundsen been practicing?
Dr. Amundsen graduated from medical school in 2010, 16 years ago.
Does Dr. Spencer Hayden Amundsen do research?
Dmand AI links 3 publications to Dr. Amundsen.
Who does Dr. Spencer Hayden Amundsen publish with?
Dr. Amundsen's most frequent co-authors are Karl Marc Koenig, MD (1 shared paper) and Geoffrey H. Westrich, MD (1 shared paper).
What insurance does Dr. Spencer Hayden Amundsen accept?
Dr. Amundsen is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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