Dr. Amy L. Tesar
- Gender: Female
- Experience: 19 years
- Graduation year: 2002
- Sole propriator: No
- NPI: 1841307477
Dr. Amy L. Tesar DO
Hospitalist
She is located at 1000 4th Street Southwest in Mason City, IA 50401. Can help patients with the following: Cystitis, Gastroesophageal Reflux Disease (GERD), High Blood Pressure, Hot Flashes, Obesity, Urethritis. Her National Provider Identifier (NPI) number is 1841307477. Appointment can be made via the phone number (641) 428-6999. She is affiliated with 3 practices and 1 hospitals.
Conditions treated
Dr. Amy Tesar Do, being an hospitalist, 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. Amy L. Tesar.
- 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. Amy L. Tesar as in-network for the following 2026 plans.
Health plans
Ambetter Health
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 16 plans from Ambetter Health
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Complete Gold | HMO · Gold | Preferred | Accepting new patients |
| Complete Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Elite Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Elite Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Everyday Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Everyday Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Everyday Gold | HMO · Gold | Preferred | Accepting new patients |
| Everyday Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Focused Silver | HMO · Silver | Preferred | Accepting new patients |
| Focused Silver + Vision + Adult Dental | HMO · Silver | Preferred | Accepting new patients |
| Standard Expanded Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Expanded Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Gold | HMO · Gold | Preferred | Accepting new patients |
| Standard Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Standard Silver | HMO · Silver | Preferred | Accepting new patients |
| Standard Silver + Vision + Adult Dental | HMO · Silver | Preferred | Accepting new patients |
Medica
Network data as of May 1, 2025, as reported by the insurer.
Show all 9 plans from Medica
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Medica Insure Bronze $0 Copay PCP Visits | EPO · Expanded Bronze | Standardtier | Accepting new patients |
| Medica Insure Bronze Share | EPO · Expanded Bronze | Standardtier | Accepting new patients |
| Medica Insure Expanded Bronze Standard | EPO · Expanded Bronze | Standardtier | Accepting new patients |
| Medica Insure Gold $0 Copay PCP Visits | EPO · Gold | Standardtier | Accepting new patients |
| Medica Insure Gold Share | EPO · Gold | Standardtier | Accepting new patients |
| Medica Insure Gold Standard | EPO · Gold | Standardtier | Accepting new patients |
| Medica Insure Silver $0 Copay PCP Visits | EPO · Silver | Standardtier | Accepting new patients |
| Medica Insure Silver Share | EPO · Silver | Standardtier | Accepting new patients |
| Medica Insure Silver Standard | EPO · Silver | Standardtier | Accepting new patients |
Oscar Insurance Company
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 16 plans from Oscar Insurance Company
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze Classic 4700 | MercyOne | EPO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Bronze Classic Standard | MercyOne | EPO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Bronze Elite + PCP Saver Plus | MercyOne | EPO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Bronze Simple Breathe Easy with Enhanced COPD Benefits | MercyOne | EPO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Bronze Simple Chronic Care CKM | MercyOne | EPO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Bronze Simple Diabetes | MercyOne | EPO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Gold Classic Standard | MercyOne | EPO · Gold | Preferred | Accepting new patients at some locations |
| Gold Elite | MercyOne | EPO · Gold | Preferred | Accepting new patients at some locations |
| Secure | MercyOne | EPO · Catastrophic | Preferred | Accepting new patients at some locations |
| Silver Classic Standard | MercyOne | EPO · Silver | Preferred | Accepting new patients at some locations |
| Silver Classic | MercyOne | EPO · Silver | Preferred | Accepting new patients at some locations |
| Silver Simple Breathe Easy with Enhanced COPD Benefits | MercyOne | EPO · Silver | Preferred | Accepting new patients at some locations |
| Silver Simple Chronic Care CKM | MercyOne | EPO · Silver | Preferred | Accepting new patients at some locations |
| Silver Simple Diabetes | MercyOne | EPO · Silver | Preferred | Accepting new patients at some locations |
| Silver Simple PCP Saver | MercyOne | EPO · Silver | Preferred | Accepting new patients at some locations |
| Silver Simple Women's Health with Menopause Benefits | MercyOne | EPO · Silver | Preferred | Accepting new patients at some locations |
Wellmark Health Plan of Iowa, Inc.
Network data as of Sep 8, 2026, as reported by the insurer.
Show all 7 plans from Wellmark Health Plan of Iowa, Inc.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Wellmark Bronze HDHP HMO HSA Qualified | HMO · Expanded Bronze | Wellmark Blue HMO Network | Accepting new patients at some locations |
| Wellmark Bronze Traditional HMO | HMO · Expanded Bronze | Wellmark Blue HMO Network | Accepting new patients at some locations |
| Wellmark Gold Traditional HMO | HMO · Gold | Wellmark Blue HMO Network | Accepting new patients at some locations |
| Wellmark Silver Traditional HMO | HMO · Silver | Wellmark Blue HMO Network | Accepting new patients at some locations |
| Wellmark Standard Bronze HMO | HMO · Expanded Bronze | Wellmark Blue HMO Network | Accepting new patients at some locations |
| Wellmark Standard Gold HMO | HMO · Gold | Wellmark Blue HMO Network | Accepting new patients at some locations |
| Wellmark Standard Silver HMO | HMO · Silver | Wellmark Blue HMO Network | Accepting new patients at some locations |
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. Amy L. Tesar 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. Amy L. Tesar is enrolled to bill Medicare as a Practitioner - Internal Medicine .
Bills through: North Iowa Mercy Clinics
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
| Pfizer | $43 |
Other
| Food and Beverage | $43 |
Studies
Graduated in 2002Additional Specialities
- Internist
Affiliated practices
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- Address: 1000 4th Street Southwest Mason City, 50401, IA
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- Address: 500 East Market Street Iowa City, 52245, IA
- Gender: Male
- Address: 1000 4th Street Southwest Mason City, 50401, IA
- Gender: Male
- Address: 7011 A C Skinner Parkway Suite 160 Jacksonville, 32256, FL
- Gender: Male
- Address: 8401 Market Street Boardman, 44512, OH
- Gender: Male
- Address: 1000 4th Street Southwest Mason City, 50401, IA
Questions & Answers
Does Dr. Amy Tesar Do have affiliation with practices?
Dr. Amy Tesar Do is affiliated with Mercy Family Clinic-Rockwell. For the full list of practices see this list.
Has Dr. Amy Tesar Do affiliation with hospitals?
Dr. Amy Tesar Do is affiliated with MERCY MEDICAL CENTER-NORTH IOWA.
What conditions does Dr. Amy Tesar Do treat?
Dr. Amy Tesar Do provides treatment for Cystitis, Gastroesophageal Reflux Disease (GERD), High Blood Pressure, Hot Flashes, Obesity, Urethritis. For the full list see this list.
Where can you meet with Dr. Amy Tesar Do?
Dr. Amy Tesar Do's office is located at 1000 4th Street Southwest in Mason City, IA 50401.
Does Dr. Amy Tesar Do accept patients with Medica?
Yes, Dr. Amy Tesar Do is listed in-network for Medica through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.