wisconsin
Specialties
Family Physician
Dr. Karl C. Larson
Dr. Karl C. Larson

Dr. Karl C. Larson

  • Gender: Male
  • Experience: 40 years
  • Graduated from: Medical College Of Wisconsin
  • Graduation year: 1981
  • Sole propriator: No
  • NPI: 1063528529

Dr. Karl C. Larson M.D.

Family Physician

He is located at 2725 Jackson Street in Oshkosh, WI 54901. Can help patients with the following: Abdominal Pain, Common Cold, Fever, Hypothyroidism, Pregnancy, Prenatal Care. His National Provider Identifier (NPI) number is 1063528529. Appointment can be made via the phone number (920) 223-7500. He is affiliated with 2 practices and 2 hospitals.

Conditions treated

Dr. Karl C. Larson, being an family physician, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Karl C. Larson.

  • Abdominal Pain
  • Aging In Place
  • Anxiety
  • Arthritis
  • Asthma
  • Autism
  • Birth Control Counseling
  • Breastfeeding and Lactation
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Common Cold
  • Diabetes
  • Fever
  • General Care
  • Headache
  • Heart Disease
  • High Blood Pressure
  • Hyperlipidemia
  • Hypothyroidism
  • Infant Care
  • Influenza
  • Migraine
  • Mold Exposure
  • Nausea and Vomiting
  • Obesity
  • Osteoarthritis (OA)
  • Osteoporosis
  • Pregnancy
  • Prenatal Care
  • Prescription Refill
  • Thyroid Disease
  • Women's Health

Procedures Performed by Dr. Karl C. Larson

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Karl C. Larson as in-network for the following 2026 plans.

Health plans

Anthem Blue Cross and Blue Shield

Network data as of Mar 25, 2026, as reported by the insurer.

Show all 9 plans from Anthem Blue Cross and Blue Shield
Anthem Blue Cross and Blue Shield plans
Plan Plan type Network tier New patients
Anthem Bronze Preferred/Broad 5000 (3 Free PCP Visits + $0 Select Drugs + Incentives) POS · Expanded Bronze Participating Accepting new patients
Anthem Bronze Preferred/Broad HSA (+ Incentives) POS · Expanded Bronze Participating Accepting new patients
Anthem Bronze Preferred/Broad Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) POS · Expanded Bronze Participating Accepting new patients
Anthem Gold Preferred/Broad 1000 ($0 Virtual PCP + $0 Select Drugs + Incentives) POS · Gold Participating Accepting new patients
Anthem Gold Preferred/Broad Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) POS · Gold Participating Accepting new patients
Anthem Heart Healthy Bronze Preferred/Broad 0 Med Ded ($0 Virtual PCP+$0 Select Drugs+Incentives) POS · Expanded Bronze Participating Accepting new patients
Anthem Silver Preferred/Broad 4000 ($0 PCP Visits + $0 Select Drugs + Incentives) POS · Silver Participating Accepting new patients
Anthem Silver Preferred/Broad 5500 ($0 Virtual PCP + $0 Select Drugs + Incentives) POS · Silver Participating Accepting new patients
Anthem Silver Preferred/Broad Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) POS · Silver Participating Accepting new patients

Aspirus Health Plan

Network data as of Feb 29, 2024, as reported by the insurer.

Show all 12 plans from Aspirus Health Plan
Aspirus Health Plan plans
Plan Plan type Network tier New patients
HMO Bronze $0 Medical Deductible HMO · Expanded Bronze Aspirussign Accepting new patients
HMO Bronze 10000 HMO · Bronze Aspirussign Accepting new patients
HMO Bronze 7500 HMO · Expanded Bronze Aspirussign Accepting new patients
HMO Catastrophic 10600 with 3 free PCP visits HMO · Catastrophic Aspirussign Accepting new patients
HMO Gold 2000 HMO · Gold Aspirussign Accepting new patients
HMO Gold 2700 HMO · Gold Aspirussign Accepting new patients
HMO HDHP Silver 5900 HMO · Silver Aspirussign Accepting new patients
HMO Silver 6000 HMO · Silver Aspirussign Accepting new patients
HMO Silver 6600 HMO · Silver Aspirussign Accepting new patients
POS Bronze 7500 POS · Expanded Bronze Aspirussign Accepting new patients
POS Bronze 8500 POS · Bronze Aspirussign Accepting new patients
POS Silver 6000 POS · Silver Aspirussign Accepting new patients

HealthPartners

Network data as of Apr 29, 2026, as reported by the insurer.

HealthPartners plans
Plan Plan type Network tier New patients
Oak $1,300 Gold PPO · Gold Network Accepting new patients
Oak $2,000 Standard Gold PPO · Gold Network Accepting new patients

Security Health Plan

Network data as of Aug 19, 2026, as reported by the insurer.

Show all 47 plans from Security Health Plan
Security Health Plan plans
Plan Plan type Network tier New patients
Premier $2,000 - 25% HMO · Gold Non Preferred Accepting new patients
Premier $2,000 - 25% HMO · Gold Preferred Accepting new patients
Premier $3,500 - 30% HMO · Gold Non Preferred Accepting new patients
Premier $3,500 - 30% HMO · Gold Preferred Accepting new patients
Premier $4,000 - 50% HMO · Silver Non Preferred Accepting new patients
Premier $4,000 - 50% HMO · Silver Preferred Accepting new patients
Premier $5,000 HDHP HMO · Silver Non Preferred Accepting new patients
Premier $5,000 HDHP HMO · Silver Preferred Accepting new patients
Premier $6,000 - 40% HMO · Silver Non Preferred Accepting new patients
Premier $6,000 - 40% HMO · Silver Preferred Accepting new patients
Premier $7,500 HMO · Expanded Bronze Non Preferred Accepting new patients
Premier $7,500 HMO · Expanded Bronze Preferred Accepting new patients
Premier $7,500 HDHP HMO · Expanded Bronze Non Preferred Accepting new patients
Premier $7,500 HDHP HMO · Expanded Bronze Preferred Accepting new patients
Premier HMO $1,500 - 30% HMO · Gold Preferred Accepting new patients
Premier HMO $2,500 - 20% Copay HMO · Gold Preferred Accepting new patients
Premier HMO $3,400 - 30% HDHP HMO · Silver Preferred Accepting new patients
Premier HMO $3,500 - 30% HMO · Silver Preferred Accepting new patients
Premier HMO $3,500 HDHP HMO · Gold Preferred Accepting new patients
Premier HMO $4,000 - 20% HDHP HMO · Silver Preferred Accepting new patients
Premier HMO $5,000 - 20% HDHP HMO · Silver Preferred Accepting new patients
Premier HMO $5,500 - 40% Copay HMO · Silver Preferred Accepting new patients
Premier HMO $7,500 HDHP HMO · Expanded Bronze Preferred Accepting new patients
Premier HMO $750 - 10% HMO · Platinum Preferred Accepting new patients
Premier HMO $9,500 HMO · Bronze Preferred Accepting new patients
Premier POS $1,500 - 30% POS · Gold Non Preferred Accepting new patients
Premier POS $1,500 - 30% POS · Gold Preferred Accepting new patients
Premier POS $2,500 - 20% Copay POS · Gold Non Preferred Accepting new patients
Premier POS $2,500 - 20% Copay POS · Gold Preferred Accepting new patients
Premier POS $3,400 - 30% HDHP POS · Silver Non Preferred Accepting new patients
Premier POS $3,400 - 30% HDHP POS · Silver Preferred Accepting new patients
Premier POS $3,500 - 30% POS · Silver Non Preferred Accepting new patients
Premier POS $3,500 - 30% POS · Silver Preferred Accepting new patients
Premier POS $3,500 HDHP POS · Gold Non Preferred Accepting new patients
Premier POS $3,500 HDHP POS · Gold Preferred Accepting new patients
Premier POS $4,000 - 20% HDHP POS · Silver Non Preferred Accepting new patients
Premier POS $4,000 - 20% HDHP POS · Silver Preferred Accepting new patients
Premier POS $5,000 - 20% HDHP POS · Silver Non Preferred Accepting new patients
Premier POS $5,000 - 20% HDHP POS · Silver Preferred Accepting new patients
Premier POS $5,500 - 40% Copay POS · Silver Non Preferred Accepting new patients
Premier POS $5,500 - 40% Copay POS · Silver Preferred Accepting new patients
Premier POS $7,500 HDHP POS · Expanded Bronze Non Preferred Accepting new patients
Premier POS $7,500 HDHP POS · Expanded Bronze Preferred Accepting new patients
Premier POS $750 - 10% POS · Platinum Non Preferred Accepting new patients
Premier POS $750 - 10% POS · Platinum Preferred Accepting new patients
Premier POS $9,500 POS · Bronze Non Preferred Accepting new patients
Premier POS $9,500 POS · Bronze Preferred Accepting new patients

This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Karl C. Larson is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.

Insurance information looks wrong? Let us know

Medicare Enrollment

Dr. Karl C. Larson is enrolled to bill Medicare as a Practitioner - Family Practice .

Bills through: Ascension Medical Group-fox Valley Wisconsin, Inc

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Payments received

Drug payment

Depuy $772

Other

Promotional Speaking or Service $772

Studies

MEDICAL COLLEGE OF WISCONSIN

Graduated in 1981

Affiliated practices

Ascension Medical Group
1570 Midway Place
Menasha, 54952 WI
(920) 738-2000
Ascension Medical Group
2725 Jackson Street
Oshkosh, 54901 WI
(920) 223-7500

Affiliated hospitals

UCH-MEMORIAL HEALTH SYSTEM
1400 E BOULDER ST
COLORADO SPRINGS, 80909 CO
(719) 365-5000
ST ELIZABETH HOSPITAL
1506 S ONEIDA ST
APPLETON, 54915 WI
(920) 738-2000

Looking for more Family Physicians?

Out of the 12 family physicians in this region, here are 10 randomly selected ones for you to explore.

Dr. Kristin P. Beougher
  • Gender: Female
  • Address: 5169 Chesapeake Court Oshkosh, 54901, WI
Dr. Harold W. Boccheciamp
  • Gender: Male
  • Address: 2725 Jackson Street Oshkosh, 54901, WI
Dr. Shawn C. Ekstrom
  • Gender: Female
  • Address: 777 Algoma Boulevard Oshkosh, 54901, WI
Dr. Patrick James Murphy
  • Gender: Male
  • Address: 1730 West Snell Road Oshkosh, 54901, WI
Dr. Patricia Morales Valdes Brost
  • Gender: Female
  • Address: 414 Doctors Court Oshkosh, 54901, WI
Dr. Katherine Nonweiler
  • Gender: Female
  • Address: 520 West 3rd Street Kimberly, 54136, WI
Dr. Scott J. Beougher
  • Gender: Male
  • Address: 5165 Chesapeake Court Oshkosh, 54901, WI
Dr. Kelly T. Badger
  • Gender: Female
  • Address: 2725 Jackson Street Oshkosh, 54901, WI
Dr. Albert Fisher
  • Gender: Male
  • Address: 400 Ceape Avenue Oshkosh, 54901, WI

Questions & Answers

Has Dr. Karl C. Larson affiliation with hospitals?

Dr. Karl C. Larson is affiliated with UCH-MEMORIAL HEALTH SYSTEM. For the full list of hospitals see this list.

What conditions does Dr. Karl C. Larson treat?

Dr. Karl C. Larson provides treatment for Abdominal Pain, Common Cold, Fever, Hypothyroidism, Pregnancy, Prenatal Care. For the full list see this list.

Does Dr. Karl C. Larson accept patients with Anthem Blue Cross and Blue Shield?

Yes, Dr. Karl C. Larson is listed in-network for Anthem Blue Cross and Blue Shield through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.

Does Dr. Karl C. Larson have affiliation with practices?

Dr. Karl C. Larson is affiliated with Ascension Medical Group. For the full list of practices see this list.

Where can you meet with Dr. Karl C. Larson?

Dr. Karl C. Larson's office is located at 2725 Jackson Street in Oshkosh, WI 54901.