Dr. Kellen Mastick
Dr. Kellen Mastick
Last updated: May 1, 2023

Dr. Kellen Mastick

  • Gender: Male
  • Sole propriator: No
  • NPI: 1538655709

Dr. Kellen Mastick

Internist

He is located at 615 North Michigan Street 1st Floor Hospitalist Suite in South Bend, IN 46601. Can help patients with the following: Cholecystitis, Cystitis, Edema, Gastroesophageal Reflux Disease (GERD), High Blood Pressure, Nausea and Vomiting. His National Provider Identifier (NPI) number is 1538655709. Appointment can be made via the phone number (574) 647-3050.

Conditions treated

Dr. Kellen Mastick, being an internist, 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. Kellen Mastick.

  • Abdominal Pain
  • Acute Pain
  • Anemia
  • Arthritis
  • Asthma
  • Atherosclerosis
  • Bladder Control
  • Chest Pain
  • Cholecystitis
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Common Cold
  • Constipation
  • Cystitis
  • Diarrhea
  • Edema
  • Fever
  • Gastroesophageal Reflux Disease (GERD)
  • General Care
  • Headache
  • Heart Disease
  • Hiatal Hernia
  • High Blood Pressure
  • Hot Flashes
  • Hyperlipidemia
  • Hyponatremia
  • Influenza
  • Inguinal Hernia
  • Migraine
  • Nausea and Vomiting
  • Obesity
  • Osteoporosis
  • Peptic Ulcer
  • Prescription Refill
  • Urethritis
  • Urinary Tract Infection (UTI)

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

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

Health plans

Anthem Blue Cross and Blue Shield

Network data as of Sep 10, 2026, as reported by the insurer.

Show all 15 plans from Anthem Blue Cross and Blue Shield
Anthem Blue Cross and Blue Shield plans
Plan Plan type Network tier New patients
Anthem Bronze Essential 10150 ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Bronze Participating Accepting new patients
Anthem Bronze Essential 10150 Adult Dental/Vision ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Bronze Participating Accepting new patients
Anthem Bronze Essential 6500 HSA (+ Incentives) HMO · Expanded Bronze Participating Accepting new patients
Anthem Bronze Essential 7500 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Expanded Bronze Participating Accepting new patients
Anthem Bronze Essential POS 5500 ($0 Virtual PCP + $0 Select Drugs + Incentives) POS · Expanded Bronze Participating Accepting new patients
Anthem Bronze Essential POS 7500 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) POS · Expanded Bronze Participating Accepting new patients
Anthem Catastrophic Essential (+ Incentives) HMO · Catastrophic Participating Accepting new patients
Anthem Gold Essential 2000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Gold Participating Accepting new patients
Anthem Gold Essential 2200 ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Gold Participating Accepting new patients
Anthem Heart Healthy Bronze Essential 4500 ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Expanded Bronze Participating Accepting new patients
Anthem Heart Healthy Silver Essential 4500 ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Silver Participating Accepting new patients
Anthem Silver Essential 3500 HSA (+ Incentives) HMO · Silver Participating Accepting new patients
Anthem Silver Essential 6000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Silver Participating Accepting new patients
Anthem Silver Essential 7000 ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Silver Participating Accepting new patients
Anthem Silver Essential 7000 Adult Dental/Vision ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Silver Participating Accepting new patients

CareSource

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

Show all 22 plans from CareSource
CareSource plans
Plan Plan type Network tier New patients
Bronze 7500 $25 Generic Drugs HMO · Expanded Bronze Preferred Accepting new patients
Bronze 7500 $25 Generic Drugs + Adult Vision & Fitness HMO · Expanded Bronze Preferred Accepting new patients
Diabetes Gold 3000 $0 Chronic Care Drugs & Services HMO · Gold Preferred Accepting new patients
Diabetes Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness HMO · Gold Preferred Accepting new patients
Diabetes Silver 5000 $0 Chronic Care Drugs & Services HMO · Silver Preferred Accepting new patients
Diabetes Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness HMO · Silver Preferred Accepting new patients
Gold 2000 $15 Generic Drugs HMO · Gold Preferred Accepting new patients
Gold 2000 $15 Generic Drugs + Adult Vision & Fitness HMO · Gold Preferred Accepting new patients
HDHP Preventive Silver 5500 $0 Chronic Care Drugs HMO · Silver Preferred Accepting new patients
Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services HMO · Gold Preferred Accepting new patients
Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness HMO · Gold Preferred Accepting new patients
Healthy Heart Silver 5000 $0 Chronic Care Drugs & Services HMO · Silver Preferred Accepting new patients
Healthy Heart Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness HMO · Silver Preferred Accepting new patients
HSA Eligible Bronze 6000 HMO · Expanded Bronze Preferred Accepting new patients
Low Premium Bronze 10600 $25 Generic Drugs HMO · Expanded Bronze Preferred Accepting new patients
Low Premium Bronze 10600 $25 Generic Drugs + Adult Vision & Fitness HMO · Expanded Bronze Preferred Accepting new patients
Low Premium Silver 6200 $3 Generic Drugs HMO · Silver Preferred Accepting new patients
Low Premium Silver 6200 $3 Generic Drugs + Adult Vision & Fitness HMO · Silver Preferred Accepting new patients
Platinum Zero $5 Generic Drugs HMO · Platinum Preferred Accepting new patients
Platinum Zero $5 Generic Drugs + Adult Vision & Fitness HMO · Platinum Preferred Accepting new patients
Silver 6000 $20 Generic Drugs HMO · Silver Preferred Accepting new patients
Silver 6000 $20 Generic Drugs + Adult Vision & Fitness HMO · 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. Kellen Mastick 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. Kellen Mastick is enrolled to bill Medicare as a Practitioner - Hospitalist .

Bills through: Beacon Medical Group 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.

Looking for more Internists?

Out of the 26 internists in this region, here are 10 randomly selected ones for you to explore.

Dr. Sylvana Atallah
  • Gender: Female
  • Address: Suite F3 328 Drive Martin Luther King JR Drive North South Bend, 46601, IN
Dr. Jason Stegink
  • Gender: Male
  • Address: 615 North Michigan Street South Bend, 46601, IN
Dr. Monika Niemiec
  • Gender: Female
  • Address: 615 North Michigan Street South Bend, 46601, IN
Dr. Hanuma Swetha Chitta
  • Gender: Female
  • Address: 615 North Michigan Street South Bend, 46601, IN
Dr. Steven Paul Spilger
  • Gender: Male
  • Address: 615 North Michigan Street South Bend, 46601, IN
Dr. Ismail Al-Ani
  • Gender: Male
  • Address: Suite 512 621 Memorial Drive South Bend, 46601, IN
Dr. Stephanie Nichole Martin
  • Gender: Female
  • Address: 615 North Michigan Street South Bend, 46601, IN
Dr. Barbara Louise Williams
  • Gender: Female
  • Address: Suite 115 707 North Michigan Street South Bend, 46601, IN
Dr. Sheree L. Peglow
  • Gender: Female
  • Address: Suite 314 707 North Michigan Street South Bend, 46601, IN
Dr. Sunday Osunnuga
  • Gender: Male
  • Address: 615 North Michigan Street South Bend, 46601, IN

Questions & Answers

Does Dr. Kellen Mastick accept insurance?

Dr. Kellen Mastick is listed in-network for 37 ACA Marketplace (Obamacare/HealthCare.gov) plans from Anthem Blue Cross and Blue Shield, CareSource. See the Marketplace plans section for details.

Where can you meet with Dr. Kellen Mastick?

Dr. Kellen Mastick's office is located at 615 North Michigan Street 1st Floor Hospitalist Suite in South Bend, IN 46601.

What conditions does Dr. Kellen Mastick treat?

Dr. Kellen Mastick provides treatment for Cholecystitis, Cystitis, Edema, Gastroesophageal Reflux Disease (GERD), High Blood Pressure, Nausea and Vomiting. For the full list see this list.