Dr. Mark A. Kostic
Last updated: Oct 10, 2007

Dr. Mark A. Kostic

  • Gender: Male
  • Experience: 27 years
  • Sole propriator: No
  • NPI: 1306893896

Dr. Mark A. Kostic MD

Medical Toxicologist

He is located at 9000 West Wisconsin Avenue in Milwaukee, WI 53226. Can help patients with the following: Abdominal Pain, Brain Aneurysm, Febrile Seizure, Headache, Pinworm Infection, Prescription Refill. His National Provider Identifier (NPI) number is 1306893896. Appointment can be made via the phone number (414) 805-3666. He also has a website where you can get more information. The website can be found at http://www.chw.org/physician-directory/K/Kostic-Mark-A.

Conditions treated

Dr. Mark A. Kostic, being an medical toxicologist, 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. Mark A. Kostic.

  • Abdominal Pain
  • Acute Pain
  • Alcoholism
  • Allergic Reaction
  • Altitude Sickness
  • Anemia
  • Anencephaly
  • Angina
  • Arsenic Poisoning
  • Asthma
  • Autism
  • Bee and Wasp Stings
  • Birth Defects
  • Brain Aneurysm
  • Brain Hemorrhage
  • Broken Bone
  • Bronchitis
  • Bruises
  • Cerebral Palsy (CP)
  • Childhood Behavioral and Emotional Disorders
  • Childhood Obesity
  • Choking
  • Chronic Cough
  • Ciguatera Poisoning
  • Cleft Palate and Cleft Lip
  • Colic
  • Common Cold
  • Coronavirus
  • Costochondritis
  • Croup
  • Developmental Delays
  • Down Syndrome
  • Drug Overdose
  • Dyslexia
  • Eczema
  • Edwards Syndrome
  • Enuresis
  • Febrile Seizure
  • Fetal Alcohol Syndrome (FAS)
  • Fever
  • Food Poisoning
  • Fragile X Syndrome (FXS)
  • Frostbite
  • General Care
  • Hay Fever
  • Head Lice
  • Headache
  • Hematoma
  • Hives
  • Infant Care
  • Influenza
  • Insect Stings
  • Jaundice
  • Kawasaki Disease
  • Laceration
  • Lead Poisoning
  • Learning Disability
  • Mercury Poisoning
  • Methemoglobinemia
  • Migraine
  • Muscular Dystrophy
  • Nausea and Vomiting
  • Noonan Syndrome
  • Parenting
  • Pervasive Developmental Disorders (PDD)
  • Phenylketonuria (PKU)
  • Phlebitis and Thrombophlebitis
  • Pinworm Infection
  • Prescription Refill
  • Reye Syndrome
  • Rickets
  • Sinusitis
  • Skin Rash
  • Sore Throat
  • Speech Disorders
  • Stuttering
  • Sudden Infant Death Syndrome (SIDS)
  • Tourette Syndrome
  • Turner Syndrome
  • Upper Respiratory Infection (URI)
  • Urinary Tract Infection (UTI)
  • Whiplash
  • Williams Syndrome
  • Wilson-Turner Syndrome

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Mark A. Kostic as in-network for the following 2026 plans.

Health plans

CareSource (Common Ground Healthcare)

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

Show all 18 plans from CareSource (Common Ground Healthcare)
CareSource (Common Ground Healthcare) plans
Plan Plan type Network tier New patients
CareSource (Common Ground Healthcare) Bronze $0 Ded / $2500 Rx Ded EPO · Expanded Bronze Preferred Accepting new patients
CareSource (Common Ground Healthcare) Bronze $0 Ded / $2500 Rx Ded - Vision Exam EPO · Expanded Bronze Preferred Accepting new patients
CareSource (Common Ground Healthcare) Bronze $9600 ($45 PCP Copay) EPO · Expanded Bronze Preferred Accepting new patients
CareSource (Common Ground Healthcare) Bronze $9600 ($45 PCP Copay) - Vision Exam EPO · Expanded Bronze Preferred Accepting new patients
CareSource (Common Ground Healthcare) Bronze Standard $7500 EPO · Expanded Bronze Preferred Accepting new patients
CareSource (Common Ground Healthcare) Bronze Standard $7500 - Vision Exam EPO · Expanded Bronze Preferred Accepting new patients
CareSource (Common Ground Healthcare) Gold $0 Ded EPO · Gold Preferred Accepting new patients
CareSource (Common Ground Healthcare) Gold $0 Ded - Vision Exam EPO · Gold Preferred Accepting new patients
CareSource (Common Ground Healthcare) Gold $3300 EPO · Gold Preferred Accepting new patients
CareSource (Common Ground Healthcare) Gold $3300 - Vision Exam EPO · Gold Preferred Accepting new patients
CareSource (Common Ground Healthcare) Gold Standard $2000 EPO · Gold Preferred Accepting new patients
CareSource (Common Ground Healthcare) Gold Standard $2000 - Vision Exam EPO · Gold Preferred Accepting new patients
CareSource (Common Ground Healthcare) Silver $4700 Ded / $5000 Rx Ded EPO · Silver Preferred Accepting new patients
CareSource (Common Ground Healthcare) Silver $4700 Ded / $5000 Rx Ded - Vision Exam EPO · Silver Preferred Accepting new patients
CareSource (Common Ground Healthcare) Silver $5000 Ded / $6000 Rx Ded EPO · Silver Preferred Accepting new patients
CareSource (Common Ground Healthcare) Silver $5000 Ded / $6000 Rx Ded - Vision Exam EPO · Silver Preferred Accepting new patients
CareSource (Common Ground Healthcare) Silver Standard $6000 EPO · Silver Preferred Accepting new patients
CareSource (Common Ground Healthcare) Silver Standard $6000 - Vision Exam EPO · Silver 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. Mark A. Kostic 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

Other ways to reach out

  • Website: http://www.chw.org/physician-directory/K/Kostic-Mark-A

Additional Specialities

  • Emergency Physician
  • Pediatrician

Looking for more Medical Toxicologists?

Here are medical toxicologists in Wisconsin you may want to explore.

Dr. Michael V. Coogan
  • Gender: Male
  • Address: 1000 Mineral Point Avenue Janesville, 53548, WI
Dr. Thanh Q. Tran
  • Gender: Female
  • Address: Suite 2100 111 East Wisconsin Avenue Milwaukee, 53202, WI
Dr. Kevin R. Parciak
  • Gender: Male
  • Address: N2950 State Road 67 Lake Geneva, 53147, WI

Questions & Answers

Does Dr. Mark A. Kostic accept insurance?

Dr. Mark A. Kostic is listed in-network for 18 ACA Marketplace (Obamacare/HealthCare.gov) plans from CareSource (Common Ground Healthcare). See the Marketplace plans section for details.

What conditions does Dr. Mark A. Kostic treat?

Dr. Mark A. Kostic provides treatment for Abdominal Pain, Brain Aneurysm, Febrile Seizure, Headache, Pinworm Infection, Prescription Refill. For the full list see this list.

Where can you meet with Dr. Mark A. Kostic?

Dr. Mark A. Kostic's office is located at 9000 West Wisconsin Avenue in Milwaukee, WI 53226.