Dr. Nathaniel Stewart
- Gender: Male
- Experience: 9 years
- Graduated from: Indiana University School Of Medicine
- Graduation year: 2012
- Sole propriator: No
- NPI: 1063773422
Dr. Nathaniel Stewart MD
Family Physician
He is located at 12563 State Road 23 in Granger, IN 46530. Can help patients with the following: Breastfeeding and Lactation, Chronic Obstructive Pulmonary Disease (COPD), Diabetes, Heart Disease, Osteoarthritis (OA), Thyroid Disease. His National Provider Identifier (NPI) number is 1063773422. Appointment can be made via the phone number (574) 335-8300. He also has a website where you can get more information. The website can be found at https://www.sjmed.com/provider/nathaniel-robert-stewart-md-family-medicine. He is affiliated with 7 practices and 4 hospitals.
Conditions treated
Dr. Nathaniel Robert Stewart, 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. Nathaniel Stewart.
- 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. Nathaniel Stewart
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Nathaniel Stewart 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
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Anthem Bronze Essential 10150 ($0 Virtual PCP + $0 Select Drugs + Incentives) | HMO · Bronze | Participating | Accepting new patients at some locations |
| Anthem Bronze Essential 10150 Adult Dental/Vision ($0 Virtual PCP + $0 Select Drugs + Incentives) | HMO · Bronze | Participating | Accepting new patients at some locations |
| Anthem Bronze Essential 6500 HSA (+ Incentives) | HMO · Expanded Bronze | Participating | Accepting new patients at some locations |
| Anthem Bronze Essential 7500 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | HMO · Expanded Bronze | Participating | Accepting new patients at some locations |
| Anthem Bronze Essential POS 5500 ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Expanded Bronze | Participating | Accepting new patients at some locations |
| Anthem Bronze Essential POS 7500 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Expanded Bronze | Participating | Accepting new patients at some locations |
| Anthem Catastrophic Essential (+ Incentives) | HMO · Catastrophic | Participating | Accepting new patients at some locations |
| Anthem Gold Essential 2000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | HMO · Gold | Participating | Accepting new patients at some locations |
| Anthem Gold Essential 2200 ($0 Virtual PCP + $0 Select Drugs + Incentives) | HMO · Gold | Participating | Accepting new patients at some locations |
| Anthem Heart Healthy Bronze Essential 4500 ($0 Virtual PCP + $0 Select Drugs + Incentives) | HMO · Expanded Bronze | Participating | Accepting new patients at some locations |
| Anthem Heart Healthy Silver Essential 4500 ($0 Virtual PCP + $0 Select Drugs + Incentives) | HMO · Silver | Participating | Accepting new patients at some locations |
| Anthem Silver Essential 3500 HSA (+ Incentives) | HMO · Silver | Participating | Accepting new patients at some locations |
| Anthem Silver Essential 6000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | HMO · Silver | Participating | Accepting new patients at some locations |
| Anthem Silver Essential 7000 ($0 Virtual PCP + $0 Select Drugs + Incentives) | HMO · Silver | Participating | Accepting new patients at some locations |
| Anthem Silver Essential 7000 Adult Dental/Vision ($0 Virtual PCP + $0 Select Drugs + Incentives) | HMO · Silver | Participating | Accepting new patients at some locations |
CareSource
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 22 plans from CareSource
| 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. Nathaniel Stewart is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Nathaniel Stewart is enrolled to bill Medicare as a Practitioner - Internal Medicine (also registered under: Practitioner - Family Practice, Practitioner - Emergency Medicine) .
Bills through: Saint Joseph Regional Medical Center-south Bend Campus 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.
Studies
INDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated in 2012Other ways to reach out
- Website: https://www.sjmed.com/provider/nathaniel-robert-stewart-md-family-medicine
Affiliated practices
Affiliated hospitals
Looking for more Family Physicians?
Out of the 31 family physicians in this region, here are 10 randomly selected ones for you to explore.
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- Address: 6913 N Main Street Granger, 46530, IN
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- Address: 12340 Bittersweet Commons Boulevard Granger, 46530, IN
- Gender: Male
- Address: 52500 Fir Road Granger, 46530, IN
- Gender: Female
- Address: 6913 North Main Street Granger, 46530, IN
- Gender: Male
- Address: 6913 North Main Street Granger, 46530, IN
- Gender: Female
- Address: 922 East University Drive Granger, 46530, IN
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- Address: 6913 N Main Street Granger, 46530, IN
- Gender: Male
- Address: 1919 Lake Avenue Suite 102 Plymouth, 46563, IN
- Gender: Male
- Address: 52500 Fir Road Granger, 46530, IN
Questions & Answers
Where can you meet with Dr. Nathaniel Robert Stewart?
Dr. Nathaniel Robert Stewart's office is located at 12563 State Road 23 in Granger, IN 46530.
What conditions does Dr. Nathaniel Robert Stewart treat?
Dr. Nathaniel Robert Stewart provides treatment for Breastfeeding and Lactation, Chronic Obstructive Pulmonary Disease (COPD), Diabetes, Heart Disease, Osteoarthritis (OA), Thyroid Disease. For the full list see this list.
Does Dr. Nathaniel Robert Stewart have affiliation with practices?
Dr. Nathaniel Robert Stewart is affiliated with IU Health Bloomington Hospital Behavioral Health Services - IU Health Bloomington Hospital. For the full list of practices see this list.
Does Dr. Nathaniel Robert Stewart accept patients with CareSource?
Yes, Dr. Nathaniel Robert Stewart is listed in-network for CareSource through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Has Dr. Nathaniel Robert Stewart affiliation with hospitals?
Dr. Nathaniel Robert Stewart is affiliated with SAINT JOSEPH REGIONAL MEDICAL CENTER. For the full list of hospitals see this list.