Dr. Thomas M. Johnson
- Gender: Male
- Experience: 47 years
- Graduated from: University Of Iowa, Rj & L Carver College Of Medicine
- Graduation year: 1974
- Sole propriator: No
- NPI: 1801848486
Dr. Thomas M. Johnson M.D.
Internist
He is located at 1000 Langworthy Street in Dubuque, IA 52001. Can help patients with the following: Bladder Control, Blood Clots, Constipation, Headache, Inguinal Hernia, Urethritis. His National Provider Identifier (NPI) number is 1801848486. Appointment can be made via the phone number (563) 584-3425. He is affiliated with 2 practices and 5 hospitals.
Conditions treated
Dr. Thomas Mark Johnson, 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. Thomas M. Johnson.
- Abdominal Aortic Aneurysm (AAA)
- Abdominal Pain
- Acute Pain
- Amyloidosis
- Anemia
- Angina
- Aortic Stenosis
- Arrhythmia
- Arthritis
- Asthma
- Atherosclerosis
- Atrial Fibrillation
- Atrial Flutter
- Atrial Septal Defect (ASD)
- Birth Defects
- Bladder Control
- Blood Clots
- Bradycardia
- Cardiomyopathy
- Carotid Artery Disease
- Cerebral Aneurysm
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Chronic Venous Insufficiency
- Common Cold
- Congenital Heart Disease (CHD)
- Congestive Heart Failure (CHF)
- Constipation
- Cystitis
- Diarrhea
- Edema
- Endocarditis
- Fainting
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Attack
- Heart Disease
- Heart Murmur
- Heart Valve Disease
- Hiatal Hernia
- High Blood Pressure
- High Cholesterol
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Influenza
- Inguinal Hernia
- May-Thurner Syndrome
- Migraine
- Mitral Insufficiency
- Mitral Valve Prolapse (MVP)
- Mitral Valve Stenosis
- Myocarditis
- Nausea and Vomiting
- Obesity
- Orthostatic Hypotension
- Osteoporosis
- Pacemaker
- Palpitations
- Paroxysmal Supraventricular Tachycardia (PSVT)
- Peptic Ulcer
- Pericardial Tamponade
- Pericarditis
- Postural Orthostatic Tachycardia Syndrome (POTS)
- Premature Ventricular Contraction (PVC)
- Prescription Refill
- Pulmonary Edema
- Pulmonary Embolism (PE)
- Pulmonary Hypertension (PH)
- Renal Vascular Disease
- Rheumatic Fever
- Rheumatic Heart Disease
- Stroke
- Urethritis
- Urinary Tract Infection (UTI)
- Ventricular Fibrillation
- Ventricular Septal Defect (VSD)
- Wolff-Parkinson-White Syndrome (WPW)
Procedures Performed by Dr. Thomas M. Johnson
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Thomas M. Johnson as in-network for the following 2026 plans.
Health plans
Medica
Network data as of Jun 8, 2026, 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 10 plans from Oscar Insurance Company
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze Classic 4700 | EPO · Expanded Bronze | Preferred | Not accepting new patients |
| Bronze Classic Standard | EPO · Expanded Bronze | Preferred | Not accepting new patients |
| Bronze Elite + PCP Saver Plus | EPO · Expanded Bronze | Preferred | Not accepting new patients |
| Gold Classic Standard | EPO · Gold | Preferred | Not accepting new patients |
| Gold Elite | EPO · Gold | Preferred | Not accepting new patients |
| Secure | EPO · Catastrophic | Preferred | Not accepting new patients |
| Silver Classic | EPO · Silver | Preferred | Not accepting new patients |
| Silver Classic Standard | EPO · Silver | Preferred | Not accepting new patients |
| Silver Simple Diabetes | EPO · Silver | Preferred | Not accepting new patients |
| Silver Simple PCP Saver | EPO · Silver | Preferred | Not 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. Thomas M. Johnson 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. Thomas M. Johnson is enrolled to bill Medicare as a Practitioner - Cardiovascular Disease (cardiology) .
Bills through: Medical Associates Clinic P C
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
| Cardiovascular Systems | $1101 |
| Boston Scientific | $54 |
| AstraZeneca | $17 |
Other
| Travel and Lodging | $962 |
| Food and Beverage | $211 |
Studies
UNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Graduated in 1974Additional Specialities
- Cardiologist
Affiliated hospitals
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- Address: 1000 Langworthy Street Dubuque, 52001, IA
Questions & Answers
Where can you meet with Dr. Thomas Mark Johnson?
Dr. Thomas Mark Johnson's office is located at 1000 Langworthy Street in Dubuque, IA 52001.
Does Dr. Thomas Mark Johnson have affiliation with practices?
Dr. Thomas Mark Johnson is affiliated with Tri-State Surgery Center. For the full list of practices see this list.
Does Dr. Thomas Mark Johnson accept patients with Medica?
Yes, Dr. Thomas Mark Johnson is listed in-network for Medica through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Has Dr. Thomas Mark Johnson affiliation with hospitals?
Dr. Thomas Mark Johnson is affiliated with MIDWEST MEDICAL CENTER. For the full list of hospitals see this list.
What conditions does Dr. Thomas Mark Johnson treat?
Dr. Thomas Mark Johnson provides treatment for Bladder Control, Blood Clots, Constipation, Headache, Inguinal Hernia, Urethritis. For the full list see this list.