Timothy L. Larson, PA-C
- Medicare patients, 2024
- 148
- Part D claims, 2024
- 121
- MIPS score, 2024
- 95
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 401 9th Avenue NW Post Office Box 1210, Watertown, SD 57201
- Practice phone
- Call (605) 882-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Timothy Larson'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.
Timothy L. Larson is a physician assistant in Watertown, South Dakota
Timothy Larson practices at Sanford Health Watertown in Watertown, South Dakota, part of Sanford Health.
Timothy Larson's NPI, 1982630828, was assigned on June 23, 2006. Timothy Larson holds South Dakota license 0386.
- NPI
- 1982630828NPI Registry (opens in a new tab)
- NPI enumeration date
- June 23, 2006
- NPI status
- Active
- Practice phone
- (605) 882-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Timothy L. Larson practices at Sanford Health Watertown in Watertown, South Dakota
Timothy Larson's primary practice is Sanford Health Watertown, at 401 9th Avenue NW Post Office Box 1210, Watertown, SD 57201 in Codington County. The practice phone is (605) 882-7000.
- Sanford Health Watertown401 9th Avenue NW Post Office Box 1210, Watertown, SD 57201 · Codington CountyPhone(605) 882-7000
Source: Dmand AI Affiliation Data
Timothy L. Larson is affiliated with 3 sites of care and 1 medical group
Timothy Larson's primary practice is Sanford Health Watertown in Watertown, South Dakota, part of Sanford Health. The medical group on file is Prairie Lakes Healthcare System. Dmand AI also links Timothy Larson to 1 more home health agency and 1 hospice, each named with a free account. Timothy Larson'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 Timothy L. Larson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Timothy Larson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sanford Health Watertown | Available with a free account |
| +2 more affiliated sites | 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 Sanford Health and 6.2K+ hospitals, with verified contacts in the same login.
Timothy L. Larson is one of 615 physician assistants in South Dakota
Physician assistant is Timothy Larson's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Timothy Larson is licensed in South Dakota.
Specialties and state licenses
- Physician assistant, South DakotaPrimary
Physician assistants near Timothy Larson
Counts of physician assistants 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
Timothy L. Larson treated 148 Medicare patients in 2024, average age 74
CMS counts 148 Medicare patients who saw Timothy Larson in 2024. The largest group is 65 to 74, with 74 patients. 75% of them have arthritis, and 75% have high blood pressure. 14% are also on Medicaid. Their average risk score is 0.91, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Timothy Larson's median patient age at 73, with 63% women.
Timothy Larson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Timothy Larson's Medicare patients by sex, 2024
- Women9262%
- Men5638%
Chronic conditions among Timothy Larson's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes31%
- Anxiety29%
- Mood disorders28%
- Depression26%
- Ischemic heart disease24%
Share of Medicare patients with each condition. A patient can have several.
Timothy Larson'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
- Women63%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Timothy L. Larson wrote 121 Medicare Part D claims in 2024
In 2024, Timothy Larson wrote 121 Medicare Part D claims for 73 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in Timothy Larson's Part D claims, 2024
- Opioids65%79 of 121 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Timothy L. Larson scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Timothy Larson for performance year 2024, reported as part of a group.
Timothy Larson's MIPS scores, performance year 2024
- 95of 100Final score
- 100of 100Quality
- 96of 100Promoting Interoperability
- 40of 100Improvement Activities
- 85of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Sources for Timothy L. Larson'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 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 (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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 Timothy L. Larson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Timothy L. Larson's NPI number?
Timothy L. Larson's NPI number is 1982630828. It was assigned on June 23, 2006, and it is active in the NPI Registry.
What does Timothy L. Larson specialize in?
Timothy L. Larson is a physician assistant in Watertown, South Dakota. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Timothy L. Larson practice?
Timothy Larson practices at 401 9th Avenue NW Post Office Box 1210, Watertown, SD 57201. Timothy Larson's primary practice is Sanford Health Watertown in Watertown, South Dakota, part of Sanford Health. Dmand AI also links Timothy Larson to 1 home health agency and 1 hospice.
What is Timothy L. Larson's office phone number?
The practice phone on file for Timothy Larson is (605) 882-7000.
What is Timothy L. Larson's medical license number?
Timothy Larson holds South Dakota license 0386.
Which hospitals is Timothy L. Larson affiliated with?
Timothy Larson practices at Sanford Health Watertown in Watertown, South Dakota.
What medical group is Timothy L. Larson part of?
Timothy Larson is linked to Prairie Lakes Healthcare System.
What is Timothy L. Larson's MIPS score?
Timothy Larson's MIPS final score for performance year 2024 is 95 out of 100, reported as part of a group.
How many Medicare patients does Timothy L. Larson see?
CMS counts 148 Medicare patients who saw Timothy Larson in 2024, with an average age of 74.
How long has Timothy L. Larson been practicing?
Timothy Larson graduated from medical school in 1997, 29 years ago.
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