Doctor Profile

Primary Care · Physician Assistant

Timothy L. Larson

PA · Physician Assistant
401 9TH AVE NW
Watertown, SD 57201
✓ Accepts Medicare 🎓 29+ Years Practicing
41
Medicare Patients / yr
1
Procedures Billed
29
Years Practicing
1
Hospital Affiliations
Data Source: Identity from NPPES (2026). Procedure & patient volume from CMS Medicare Provider Utilization & Payment Data (2023). Hospital affiliations from CMS Physician Compare. We display publicly reported data — no personal information required to view any of it.
Reviewed by: Wes Ward, Founder & Data Lead • View our methodology

Important: We are not affiliated with Medicare, CMS, or Timothy L. Larson's practice. This page displays publicly available CMS data to help you research Medicare providers. We do not sell insurance or represent any insurance company. For official enrollment and complete plan information, visit Medicare.gov or call 1-800-MEDICARE.

Medicare Plans That Cover Timothy Larson, PA

See which plans Timothy Larson, PA accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for South Dakota, the fastest way to find a Medicare plan that covers Timothy Larson, PA is to compare every Medicare Advantage and Part D plan available near 57201, SD — the Physician Assistant's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 57201, SD →

Or call the office at (605) 882-7000 to confirm acceptance directly.

What Timothy Larson, PA Does

Timothy Larson, PA served 41 Medicare patients across 42 services in the latest CMS reporting year. That's 89% below the average Physician Assistant in South Dakota (381 patients across 382 doctors).

ProcedureServicesMedicare Patients
Replacement of knee joint, both sides of knee (27447)4241

How to read this: "Services" are the total times Timothy Larson, PA billed Medicare for each procedure in the latest reporting year. "Patients" counts unique Medicare beneficiaries. Procedures are shown in plain English; the underlying HCPCS codes are available on request.

Hospital Affiliations

Timothy Larson, PA is affiliated with 1 hospital in the CMS Physician Compare database. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Prairie Lakes Healthcare System, Inc

Watertown, SD
★★★★☆ 4/5 CMS Rating

Practice Location & Telehealth Readiness

Timothy Larson, PA practices at the address below. If you're evaluating Medicare coverage, location matters for in-network access and — when Timothy Larson, PA offers telehealth — broadband availability at your home matters for virtual visits.

Address: 401 9TH AVE NW, Watertown, SD 57201
Phone: (605) 882-7000

Area Safety Grade

C+

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

18 min

Average commute time in this zip · 91% of residents drive to work. Practical context for patients deciding whether to make the trip. See the full neighborhood profile at BestNeighborhood.org.

Telehealth Readiness

7.0885

Households with fiber broadband — important for reliable virtual visits. Check your address at ISPReports.org.

Get directions on Google Maps →

Other Primary Care Doctors near 57201, SD

If Timothy Larson, PA isn't accepting new patients or isn't in your plan's network, these are the closest primary care doctors near 57201, SD:

DoctorSpecialtyMedicare Patients / yrDistance
Megan N. MerkelNurse Practitioner374<1 mi
Joseph BretschneiderPhysician Assistant110<1 mi
Hamid AssadiFamily Practice307<1 mi
Rachel C. MontileauxPhysician Assistant653<1 mi
Derek G. KindelspireInternal Medicine402<1 mi
Jolyn SackmannNurse Practitioner—<1 mi

View all primary care doctors near 57201, SD →

How to Use This Information

Choosing a Medicare plan that covers Timothy Larson, PA takes three steps:

Compare Medicare Plans near 57201, SD → All Doctors near 57201, SD

Timothy L. Larson: Common Questions

Does Timothy Larson, PA accept Medicare?
Yes. Timothy Larson, PA is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Timothy Larson, PA depends on that plan's provider network. Compare Medicare plans near 57201, SD →
Where is Timothy Larson, PA's office?
Timothy Larson, PA practices at 401 9TH AVE NW, Watertown, SD 57201. Phone: (605) 882-7000.
What Medicare plans does Timothy Larson, PA accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (605) 882-7000 to confirm your specific plan is accepted, or compare all Medicare plans near 57201, SD to see available options.
Does Timothy Larson, PA offer telehealth visits?
CMS does not currently list Timothy Larson, PA as offering telehealth. Call the office at (605) 882-7000 to confirm whether virtual visits are available.
How experienced is Timothy Larson, PA?
Timothy Larson, PA graduated in 1997 and has been practicing for approximately 29 years. In the latest CMS reporting year, Timothy Larson, PA treated 41 Medicare patients across 1 distinct procedure types.
How do I know if Timothy Larson, PA is in-network for my Medicare plan?
Network status varies by plan. The best verification steps: (1) check your plan's provider directory at the carrier's website, (2) call the office at (605) 882-7000 and ask which plans they currently accept, and (3) call the number on the back of your Medicare card. Print our doctor questions checklist →

About the Reviewer

Wes Ward

Wes Ward

Founder & Data Lead

Wes Ward reviews all doctor profiles and methodology for data accuracy. Every Medicare provider page on this site — including the utilization statistics, hospital affiliations, and geocoded practice address — goes through his data-validation pipeline before publication. We display only publicly available CMS data; you never need to enter personal information to see any of it.

With 25+ years in data analytics — including work with highly regulated genomic data at Ancestry.com — Wes brings enterprise-level rigor to healthcare transparency. He is also a co-founder of BestNeighborhood.org (neighborhood data), CrimeGrade.org (block-level safety analytics), and ISPReports.org (broadband availability for telehealth). Those sister sites power the location and telehealth-readiness context on this page.

View full profile → • LinkedIn

Data sources: CMS NPPES (2026), CMS Medicare Provider Utilization & Payment Data (2023), CMS Physician Compare, CrimeGrade.org, BestNeighborhood.org, ISPReports.org. This page is for informational purposes only. Always verify coverage directly with the plan and practice. Read our full methodology → • Privacy policy

Medicare Resources

Choosing the right Medicare plan involves more than just doctor coverage. These guides help you evaluate the full picture:

Medicare Plans for Conditions Treated by Primary Care Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 57201, SD:

Does your Medicare plan cover Timothy Larson, PA?

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