KATHERINE ANN LARSON MD
NPI 1417393661
Internal Medicine in Prairie Du Sac, WI

Active since May 15, 2013PECOS EnrolledAccepts Medicare Assignment
260 26TH ST, PRAIRIE DU SAC, WI 53578(608) 643-3311(608) 643-8600 Get Directions Write a Review

NPPES record last updated: March 24, 2021. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Mar 24, 2021, Sep 6, 2019, Jan 5, 2017 and 2 more (5 updates tracked since 2016).

About Katherine Ann Larson Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATHERINE ANN LARSON MD (NPI 1417393661) is an individual internal medicine provider in Prairie Du Sac, Wisconsin, licensed in Utah (10120990-1205) and active in the NPI registry since May 2013. She is enrolled in Medicare PECOS, is affiliated with Olmsted Medical Center, and is a graduate of Wright State University Boonshoft School Of Medicine (2013).

NPPES Registry Identity

NPI1417393661
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameKATHERINE ANN LARSONCredential: MD
Location Address260 26TH STPrairie Du Sac, WI 53578-2203
Mailing Address260 26th StPrairie Du Sac, WI 53578-2203 · (608) 643-3311 · Fax (608) 643-8600
Fax(608) 643-8600
Sole ProprietorNo
Medical School CMSWright State University Boonshoft School Of MedicineGraduated 2013
Enumeration DateMay 15, 2013
Last NPPES UpdateMarch 24, 20215 updates tracked since enumeration
NPPES CertifiedMarch 24, 2021
✔ NPI 1417393661 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in UT · 10120990-1205✔ Licensed in MN · 65486
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
260 26TH ST, Prairie Du Sac, WI 53578

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Katherine Ann Larson Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9931341831
PECOS Enrollment IDI20190905002329
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
157 services76 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
99 services96 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
76 services44 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
75 services72 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
24 services23 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Olmsted Medical Center

Acute Care Hospitals · Rochester, MN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240006
Location1650 Fourth Street SoutheastRochester, MN 55904 · Olmsted County
Emergency services Birthing friendly

Mayo Clinic Hospital Rochester

Acute Care Hospitals · Rochester, MN
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number240010
Location1216 Second Street SouthwestRochester, MN 55902 · Olmsted County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53578 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
3 suppliers16 claims16 services$17.10 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers16 claims16 services$98.18 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner
260 26TH ST
PRAIRIE DU SAC, WI 53578
Physician Assistant
260 26TH ST
PRAIRIE DU SAC, WI 53578
Nurse Practitioner
260 26TH ST
PRAIRIE DU SAC, WI 53578
Orthopaedic Surgery
260 26TH ST
PRAIRIE DU SAC, WI 53578
Counselor (Professional)
260 26TH ST
PRAIRIE DU SAC, WI 53578
Nurse Practitioner
260 26TH ST
PRAIRIE DU SAC, WI 53578
Pharmacist
260 26TH ST
PRAIRIE DU SAC, WI 53578
General Acute Care Hospital
260 26TH ST
PRAIRIE DU SAC, WI 53578

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Katherine Larson's NPI number?

The NPI number for Katherine Larson is 1417393661. It was assigned to this individual provider in the NPPES registry on May 15, 2013.

Where is Katherine Larson located?

Katherine Larson practices at 260 26th St, Prairie Du Sac, WI 53578. The listed phone number is (608) 643-3311.

What is Katherine Larson's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Katherine Larson enrolled in Medicare?

Yes. Katherine Larson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Katherine Larson accept?

Health plans from Medica list Katherine Larson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Katherine Larson affiliated with any hospitals?

According to CMS data, Katherine Larson is affiliated with Olmsted Medical Center and Mayo Clinic Hospital Rochester.

When was this NPI record last updated?

The NPPES record for Katherine Larson was last updated on March 24, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.