Dr. Stephen S. Lo

Dr. Stephen S. Lo

  • Gender: Male
  • Experience: 27 years
  • Sole propriator: No
  • NPI: 1407875206

Dr. Stephen S. Lo MD

Pediatrician

He is located at 3051 Cahill Main in Fitchburg, WI 53711. Can help patients with the following: Bronchitis, Colic, Croup, Hypothyroidism, Parenting, Thyroid Disease. His National Provider Identifier (NPI) number is 1407875206. Appointment can be made via the phone number (608) 661-7200. He is affiliated with 3 practices.

Conditions treated

Dr. Stephen Lo, being an pediatrician, 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. Stephen S. Lo.

  • Abdominal Pain
  • Aging In Place
  • Allergic Reaction
  • Anemia
  • Anencephaly
  • Anxiety
  • Arthritis
  • Asthma
  • Autism
  • Bee and Wasp Stings
  • Birth Control Counseling
  • Birth Defects
  • Breastfeeding and Lactation
  • Bronchitis
  • Cerebral Palsy (CP)
  • Childhood Behavioral and Emotional Disorders
  • Childhood Obesity
  • Chronic Cough
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Cleft Palate and Cleft Lip
  • Colic
  • Common Cold
  • Croup
  • Developmental Delays
  • Diabetes
  • Down Syndrome
  • Dyslexia
  • Eczema
  • Edwards Syndrome
  • Enuresis
  • Fetal Alcohol Syndrome (FAS)
  • Fever
  • Food Poisoning
  • Fragile X Syndrome (FXS)
  • General Care
  • Hay Fever
  • Head Lice
  • Headache
  • Heart Disease
  • High Blood Pressure
  • Hives
  • Hyperlipidemia
  • Hypothyroidism
  • Infant Care
  • Influenza
  • Jaundice
  • Kawasaki Disease
  • Learning Disability
  • Migraine
  • Mold Exposure
  • Muscular Dystrophy
  • Nausea and Vomiting
  • Noonan Syndrome
  • Obesity
  • Osteoarthritis (OA)
  • Osteoporosis
  • Parenting
  • Pervasive Developmental Disorders (PDD)
  • Phenylketonuria (PKU)
  • Pinworm Infection
  • Pregnancy
  • Prenatal Care
  • Prescription Refill
  • Reye Syndrome
  • Rickets
  • Sinusitis
  • Skin Rash
  • Sore Throat
  • Speech Disorders
  • Stuttering
  • Sudden Infant Death Syndrome (SIDS)
  • Thyroid Disease
  • Tourette Syndrome
  • Turner Syndrome
  • Upper Respiratory Infection (URI)
  • Urinary Tract Infection (UTI)
  • Williams Syndrome
  • Wilson-Turner Syndrome
  • Women's Health

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Stephen S. Lo as in-network for the following 2026 plans.

Health plans

Group Health Cooperative-SCW

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 21 plans from Group Health Cooperative-SCW
Group Health Cooperative-SCW plans
Plan Plan type Network tier New patients
Better Together HMO Bronze 6500 Ded/8750 MOOP HSA HMO · Expanded Bronze Better Together HMO Accepting new patients
Better Together HMO Bronze 7500 Ded/10000 MOOP HSA HMO · Expanded Bronze Better Together HMO Accepting new patients
Better Together HMO Bronze No Medical Ded/10600 MOOP HSA HMO · Expanded Bronze Better Together HMO Accepting new patients
Better Together HMO Gold 1500 Ded/8000 MOOP with Vision HMO · Gold Better Together HMO Accepting new patients
Better Together HMO Gold 2000 Ded/8200 MOOP HMO · Gold Better Together HMO Accepting new patients
Better Together HMO Gold 4000 Ded/4000 MOOP HSA HMO · Gold Better Together HMO Accepting new patients
Better Together HMO Platinum 750 Ded/2000 MOOP with Vision HMO · Platinum Better Together HMO Accepting new patients
Better Together HMO Platinum No Ded/3300 MOOP HMO · Platinum Better Together HMO Accepting new patients
Better Together HMO Platinum No Ded/5200 MOOP HMO · Platinum Better Together HMO Accepting new patients
Better Together HMO Silver 5500 Ded/8500 MOOP with Vision HMO · Silver Better Together HMO Accepting new patients
Better Together HMO Silver 5975 Ded/5975 MOOP HSA HMO · Silver Better Together HMO Accepting new patients
Better Together HMO Silver 6000 Ded/8900 MOOP HMO · Silver Better Together HMO Accepting new patients
Partners HMO Bronze 10600 Ded/10600 MOOP HSA HMO · Bronze Partners HMO Accepting new patients
Partners HMO Bronze 6000 Ded/10600 MOOP HSA HMO · Bronze Partners HMO Accepting new patients
Partners HMO Bronze 7500 Ded/10000 MOOP HSA HMO · Expanded Bronze Partners HMO Accepting new patients
Partners HMO Gold 1500 Ded/8000 MOOP with Vision HMO · Gold Partners HMO Accepting new patients
Partners HMO Gold 2000 Ded/8200 MOOP HMO · Gold Partners HMO Accepting new patients
Partners HMO Gold 4000 Ded/4000 MOOP HSA HMO · Gold Partners HMO Accepting new patients
Partners HMO Silver 5500 Ded/8500 MOOP with Vision HMO · Silver Partners HMO Accepting new patients
Partners HMO Silver 5975 Ded/5975 MOOP HSA HMO · Silver Partners HMO Accepting new patients
Partners HMO Silver 6000 Ded/8900 MOOP HMO · Silver Partners HMO 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. Stephen S. Lo 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. Stephen S. Lo is enrolled to bill Medicare as a Practitioner - Family Practice (also registered under: Practitioner - Pediatric Medicine) .

Bills through: Group Health Cooperative Of South Central Wisconsin

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.

Additional Specialities

  • Family Physician

Affiliated practices

Group Health Cooperative of South Central Wisconsin
1265 John Q Hammons Drive
Madison, 53717 WI
(608) 251-4156
Group Health Cooperative of South Central Wisconsin
675 West Washington Avenue
Madison, 53703 WI
(608) 257-9700
Group Health Cooperative of South Central Wisconsin Hatchery Clinic
3051 Cahill Main
Fitchburg, 53711 WI
(608) 661-7200

Looking for more Pediatricians?

There are 6 other pediatricians in this region.

Dr. Anne C. Means
  • Gender: Female
  • Address: 4157 Mandan Crescent Madison, 53711, WI
Dr. Francois M. Luyet
  • Gender: Male
  • Address: 705 Chapman Street Madison, 53711, WI
Dr. Andrew M. Watson
  • Gender: Male
  • Address: 621 Science Drive Madison, 53711, WI
Dr. Meriel S. Rongstad
  • Gender: Female
  • Address: 5543 East Cheryl Parkway Fitchburg, 53711, WI
Dr. Lalitha V. Iyer
  • Gender: Female
  • Address: 5543 East Cheryl Parkway Fitchburg, 53711, WI

Questions & Answers

Where can you meet with Dr. Stephen Lo?

Dr. Stephen Lo's office is located at 3051 Cahill Main in Fitchburg, WI 53711.

What conditions does Dr. Stephen Lo treat?

Dr. Stephen Lo provides treatment for Bronchitis, Colic, Croup, Hypothyroidism, Parenting, Thyroid Disease. For the full list see this list.

Does Dr. Stephen Lo have affiliation with practices?

Dr. Stephen Lo is affiliated with Group Health Cooperative of South Central Wisconsin. For the full list of practices see this list.

Does Dr. Stephen Lo accept insurance?

Dr. Stephen Lo is listed in-network for 21 ACA Marketplace (Obamacare/HealthCare.gov) plans from Group Health Cooperative-SCW. See the Marketplace plans section for details.