Dr. Terry Lee Larsen, DO
- Medicare services, 2018
- 29
- Medicare patients, 2024
- 25
- Part D claims, 2024
- 59
- MIPS score, 2024
- 62
- Hospital affiliations
- 2
- Practice address
- 172 Fourth Street SE, Huron, SD 57350
- Practice phone
- Call (605) 353-6200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Larsen's professional email, personal email and mobile number
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Dr. Terry Lee Larsen is a general surgeon in Huron, South Dakota
Dr. Larsen practices at Huron Regional Medical Center in Huron, South Dakota, part of Huron Regional Medical Center.
Dr. Larsen's NPI, 1144340712, was assigned on March 29, 2007. Dr. Larsen graduated from Kansas City College of Medicine and Surgery in 2004. Dr. Larsen holds Vermont license 032.0066383.
- NPI
- 1144340712NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608063169
- NPI enumeration date
- March 29, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (605) 353-6200
- 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. Terry Lee Larsen practices at Huron Regional Medical Center in Huron, South Dakota
Dr. Larsen's primary practice is Huron Regional Medical Center, at 172 Fourth Street SE, Huron, SD 57350 in Beadle County. The practice phone is (605) 353-6200.
- Huron Regional Medical Center172 Fourth Street SE, Huron, SD 57350 · Beadle CountyPhone(605) 353-6200
Source: Dmand AI Affiliation Data
Dr. Terry Lee Larsen is affiliated with 2 sites of care and 2 medical groups
Dr. Larsen's primary practice is Huron Regional Medical Center in Huron, South Dakota, part of Huron Regional Medical Center. Dr. Larsen is also affiliated with Coteau Health Care System Hospital. The medical group on file is Huron Regional Medical Center. Dmand AI also links Dr. Larsen to 1 more medical group, named with a free account. Dr. Larsen'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. Terry Lee Larsen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Larsen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Huron Regional Medical Center | 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 Huron Regional Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Terry Lee Larsen is one of 105 general surgeons in South Dakota
Surgery is Dr. Larsen's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Larsen is licensed in Vermont.
Specialties and state licenses
- Surgery, VermontPrimary
General surgeons near Dr. Larsen
Counts of general 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. Terry Lee Larsen billed Medicare for 29 services in 2018
CMS data shows 29 Medicare services from Dr. Larsen across 2 procedure codes in 2018, for 25 Medicare patients. Medicare paid $3,293 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Larsen's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 1232018: 2976%
- Surgery
- 2017: 512018: 0100%
Dr. Larsen compared with the South Dakota median for general surgeons, 2018
- Dr. Larsen
- South Dakota median
- Medicare services
- 29vs 17884% below
- Medicare patients
- 25vs 16285% below
- Part D claims
- 14vs 3661% below
Medians across 105 general surgeons in South Dakota with Dmand AI profiles that report each measure.
Dr. Larsen's most billed Medicare procedure codes, 2018
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. Larsen and other general surgeons in South Dakota.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Terry Lee Larsen treated 25 Medicare patients in 2024, average age 72
CMS counts 25 Medicare patients who saw Dr. Larsen in 2024. 75% of them have high blood pressure, and 72% have high cholesterol. Their average risk score is 2.00, 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. Larsen's median patient age at 71, with 53% women.
Dr. Larsen's Medicare patients by sex, 2024
- Women1144%
- Men1456%
Chronic conditions among Dr. Larsen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol72%
- Heart failure48%
- Ischemic heart disease48%
- Chronic kidney disease44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Larsen'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
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Terry Lee Larsen wrote 59 Medicare Part D claims in 2024
In 2024, Dr. Larsen wrote 59 Medicare Part D claims for 26 patients. 95% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $22 in total drug cost. In 2021, CMS named 53 claims across 2 drugs.
Dr. Larsen's Part D claims by kind of drug, 2024
- Generic56 claims95%
- Brand-name and other3 claims5%
Dr. Larsen'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. Larsen's Part D claims, 2024
- Opioids29%17 of 59 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, 2021 to 2024
- 2021
- 2024
- Claims for drugs CMS names
- 2021: 532024: 1474%
Drugs named by CMS: 1 in 2024, 2 in 2021.
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. Terry Lee Larsen scored 62 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 62 out of 100 for Dr. Larsen for performance year 2024, reported as part of a group. Dr. Larsen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Larsen's MIPS scores, performance year 2024
- 62of 100Final score
- 32of 100Quality
- 98of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Terry Lee Larsen received $376 in industry payments from 2021 to 2025
CMS Open Payments shows 14 general payments to Dr. Larsen from 6 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Phathom Pharmaceuticals, Inc. paid the most, $108.
General payments to Dr. Larsen by program year, 2021 to 2025
Companies that paid Dr. Larsen the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Terry Lee Larsen graduated from Kansas City College of Medicine and Surgery
Dr. Larsen graduated from Kansas City College of Medicine and Surgery in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Terry Lee Larsen'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)Clinician Public Reporting: Overall MIPS Performance (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. Terry Lee Larsen
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. Terry Lee Larsen's NPI number?
Dr. Terry Lee Larsen's NPI number is 1144340712. It was assigned on March 29, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Terry Lee Larsen?
Dr. Terry Lee Larsen is a general surgeon in Huron, South Dakota. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Terry Lee Larsen practice?
Dr. Larsen practices at 172 Fourth Street SE, Huron, SD 57350. Dr. Larsen's primary practice is Huron Regional Medical Center in Huron, South Dakota, part of Huron Regional Medical Center. Dmand AI also links Dr. Larsen to 1 medical group.
What is Dr. Terry Lee Larsen's office phone number?
The practice phone on file for Dr. Larsen is (605) 353-6200.
What is Dr. Terry Lee Larsen's medical license number?
Dr. Larsen holds Vermont license 032.0066383.
Which hospitals is Dr. Terry Lee Larsen affiliated with?
Dr. Larsen practices at Huron Regional Medical Center in Huron, South Dakota. Dr. Larsen is also affiliated with Coteau Health Care System Hospital.
What medical group is Dr. Terry Lee Larsen part of?
Dr. Larsen is linked to Huron Regional Medical Center. Dmand AI links Dr. Larsen to 1 more medical group.
Does Dr. Terry Lee Larsen accept Medicare?
Yes. CMS data shows Dr. Larsen billed Medicare for 29 services in 2018, and Dr. Larsen accepts Medicare assignment.
What is Dr. Terry Lee Larsen's MIPS score?
Dr. Larsen's MIPS final score for performance year 2024 is 62 out of 100, reported as part of a group.
How many Medicare patients does Dr. Terry Lee Larsen see?
CMS counts 25 Medicare patients who saw Dr. Larsen in 2024, with an average age of 72.
Show 5 more questionsShow fewer questions
What services does Dr. Terry Lee Larsen bill to Medicare?
In 2018, Dr. Larsen's most billed Medicare services were hospital inpatient care (99223) and hospital inpatient care (99232).
Where did Dr. Terry Lee Larsen go to medical school?
Dr. Larsen graduated from Kansas City College of Medicine and Surgery in 2004.
What drugs does Dr. Terry Lee Larsen prescribe most?
In 2024 Medicare Part D data, Dr. Larsen's most prescribed drugs by claims were Tramadol HCl.
Has Dr. Terry Lee Larsen received payments from drug or device companies?
CMS Open Payments shows $376 in general payments to Dr. Larsen from 6 companies from 2021 to 2025. The largest total came from Phathom Pharmaceuticals, Inc.
How long has Dr. Terry Lee Larsen been practicing?
Dr. Larsen graduated from medical school in 2004, 22 years ago.
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