Dr. Stephen F. Markowiak
- Gender: Male
- Sole propriator: No
- NPI: 1851710321
Dr. Stephen F. Markowiak MD
Oncological Surgeon
He is located at 11141 Parkview Plaza Drive Suite 305 in Fort Wayne, IN 46845. Can help patients with the following: Carcinoid Tumor, Esophageal Cancer, Inflammatory Bowel Disease (IBD), Pheochromocytoma (PCC), Sebaceous Cyst, Thyroid Cancer. His National Provider Identifier (NPI) number is 1851710321. Appointment can be made via the phone number (260) 266-8900. He is affiliated with 1 practices.
Conditions treated
Dr. Stephen Francis Markowiak, being an oncological surgeon, 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 F. Markowiak.
- Achalasia
- Anal Fissure
- Appendicitis
- Bile Duct Cancer
- Boils
- Breast Cancer
- Cancer
- Carcinoid Tumor
- Colon Cancer
- Crohn's Disease
- Cyst
- Diverticulosis
- Enlarged Spleen
- Esophageal Cancer
- Gallbladder Cancer
- Gallstones
- Gangrene
- Heart Disease
- Hemorrhoids
- Hernia
- Inflammatory Bowel Disease (IBD)
- Lymphedema
- Melanoma
- Non-Hodgkin's Lymphoma (NHL)
- Pancreatic Cancer
- Pancreatitis
- Peptic Ulcer
- Pheochromocytoma (PCC)
- Pilonidal Cyst
- Sebaceous Cyst
- Skin Cancer
- Thyroid Cancer
- Ulcerative Colitis
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Stephen F. Markowiak as in-network for the following 2026 plans.
Health plans
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. Stephen F. Markowiak 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. Stephen F. Markowiak is enrolled to bill Medicare as a Practitioner - General Surgery (also registered under: Practitioner - Surgical Oncology, Practitioner - Emergency Medicine) .
Bills through: Greater Toledo Urgent Cares Llc
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
| Allergan | $263 |
| Lifecell | $198 |
| Baxter Healthcare | $72 |
Other
| Food and Beverage | $631 |
Additional Specialities
- Resident
- Surgeon
Questions & Answers
Does Dr. Stephen Francis Markowiak have affiliation with practices?
Dr. Stephen Francis Markowiak is affiliated with University of Toledo Physicians.
Does Dr. Stephen Francis Markowiak accept insurance?
Dr. Stephen Francis Markowiak is listed in-network for 22 ACA Marketplace (Obamacare/HealthCare.gov) plans from CareSource. See the Marketplace plans section for details.
What conditions does Dr. Stephen Francis Markowiak treat?
Dr. Stephen Francis Markowiak provides treatment for Carcinoid Tumor, Esophageal Cancer, Inflammatory Bowel Disease (IBD), Pheochromocytoma (PCC), Sebaceous Cyst, Thyroid Cancer. For the full list see this list.
Where can you meet with Dr. Stephen Francis Markowiak?
Dr. Stephen Francis Markowiak's office is located at 11141 Parkview Plaza Drive Suite 305 in Fort Wayne, IN 46845.