Dr. Marshal S. Irby
- Gender: Male
- Experience: 39 years
- Graduation year: 1982
- Sole propriator: Yes
- NPI: 1679560411
Dr. Marshal S. Irby M.D.
Pulmonologist
He is located at 2810 Armand Street in Monroe, LA 71201. Can help patients with the following: Alpha-1 Antitrypsin Deficiency (AATD), Chronic Cough, Chronic Obstructive Pulmonary Disease (COPD), Nausea and Vomiting, Sarcoidosis, Urethritis. His National Provider Identifier (NPI) number is 1679560411. Appointment can be made via the phone number (318) 322-5864. He is affiliated with 5 hospitals.
Conditions treated
Dr. Marshall Scott Irby, being an pulmonologist, 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. Marshal S. Irby.
- Abdominal Pain
- Acute Pain
- Alpha-1 Antitrypsin Deficiency (AATD)
- Anemia
- Arthritis
- Asbestosis
- Asthma
- Atherosclerosis
- Bladder Control
- Blood Clots
- Bronchiectasis
- Bronchitis
- Chest Pain
- Cholecystitis
- Chronic Cough
- Chronic Obstructive Pulmonary Disease (COPD)
- Collapsed Lung
- Common Cold
- Constipation
- Cryptococcosis
- Cystic Fibrosis (CF)
- Cystitis
- Diarrhea
- Edema
- Embolism
- Emphysema
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Influenza
- Inguinal Hernia
- Lung Cancer
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Peptic Ulcer
- Pleural Effusion
- Pleurisy
- Pneumonia
- Prescription Refill
- Pulmonary Aspiration
- Pulmonary Embolism (PE)
- Pulmonary Fibrosis (PF)
- Pulmonary Hypertension (PH)
- Sarcoidosis
- Sleep Apnea
- Sleep Disorders
- Smoking and Quitting Smoking
- Tuberculosis (TB)
- Urethritis
- Urinary Tract Infection (UTI)
Procedures Performed by Dr. Marshal S. Irby
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Marshal S. Irby as in-network for the following 2026 plans.
Health plans
Blue Cross and Blue Shield of Louisiana
Network data as of Sep 8, 2026, as reported by the insurer.
Show all 8 plans from Blue Cross and Blue Shield of Louisiana
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Blue Max 70/50 $6700 with 2 $0 PCP Virtual Visits HSA Eligible | PPO · Bronze | Not Applicable | Accepting new patients |
| Blue Max 80/60 $1500 with 2 $0 PCP Virtual Visits | PPO · Gold | Not Applicable | Accepting new patients |
| Blue Max Copay (PCP) 50/50 $3300 with 2 $0 PCP Virtual Visits | PPO · Silver | Not Applicable | Accepting new patients |
| Blue Max Copay (PCP) 50/50 $7500 Standardized HSA Eligible | PPO · Expanded Bronze | Not Applicable | Accepting new patients |
| Blue Max Copay (PCP) 60/40 $6000 Standardized | PPO · Silver | Not Applicable | Accepting new patients |
| Blue Max Copay (PCP) 75/55 $2000 Standardized | PPO · Gold | Not Applicable | Accepting new patients |
| Blue Saver 60/40 $6100 | PPO · Expanded Bronze | Not Applicable | Accepting new patients |
| Blue Saver 90/70 $3400 | PPO · Silver | Not Applicable | Accepting new patients |
HMO Louisiana
Network data as of Sep 8, 2026, as reported by the insurer.
Show all 7 plans from HMO Louisiana
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Blue POS 60/40 $6500 with 2 $0 PCP Virtual Visits HSA Eligible | POS · Bronze | Not Applicable | Accepting new patients |
| Blue POS 80/60 $3200 with 2 $0 PCP Virtual Visits | POS · Silver | Not Applicable | Accepting new patients |
| Blue POS 90/70 $9900 with 2 $0 PCP Virtual Visits HSA Eligible | POS · Bronze | Not Applicable | Accepting new patients |
| Blue POS Copay (PCP) 50/50 $7500 Standardized HSA Eligible | POS · Expanded Bronze | Not Applicable | Accepting new patients |
| Blue POS Copay (PCP) 60/40 $6000 Standardized | POS · Silver | Not Applicable | Accepting new patients |
| Blue POS Copay (PCP) 75/55 $2000 Standardized | POS · Gold | Not Applicable | Accepting new patients |
| Blue POS Copay (PCP) 80/60 $1000 with 2 $0 PCP Virtual Visits | POS · Gold | Not Applicable | Accepting new patients |
UnitedHealthcare
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 13 plans from UnitedHealthcare
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) | EPO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Essential ($0 Virtual Urgent Care, No Referrals) | EPO · Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard (No Referrals) | EPO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard+ (Dental + Vision, No Referrals) | EPO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Gold Advantage ($0 Virtual Urgent Care, $3 Tier 2 Rx, No Referrals) | EPO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Advantage+ ($0 Virtual Urgent Care, $3 Tier 2 Rx, Dental + Vision, No Referrals) | EPO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $3 Tier 2 Rx, No Referrals) | EPO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Standard (No Referrals) | EPO · Gold | Non Preferred | Accepting new patients |
| UHC Silver Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) | EPO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Copay Focus + $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision, No Referrals) | EPO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Standard (No Referrals) | EPO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Value ($0 Virtual Urgent Care, No Referrals) | EPO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Value + ($0 Virtual Urgent Care, Dental + Vision, No Referrals) | EPO · Silver | Non 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. Marshal S. Irby 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. Marshal S. Irby is enrolled to bill Medicare as a Practitioner - Internal Medicine (also registered under: Practitioner - Pulmonary Disease) .
Medicare practice location(s) (city/state/zip only, as reported to Medicare):
- MONROE, LA, 71201-3752
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
| Forest Pharmaceuticals | $1673 |
| GlaxoSmithKline | $1268 |
| Boehringer Ingelheim | $713 |
Other
| Food and Beverage | $4933 |
| Promotional Speaking or Service | $1450 |
Studies
Graduated in 1982Additional Specialities
- Internist
Affiliated hospitals
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Questions & Answers
Does Dr. Marshall Scott Irby accept patients with HMO Louisiana?
Yes, Dr. Marshall Scott Irby is listed in-network for HMO Louisiana through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Where can you meet with Dr. Marshall Scott Irby?
Dr. Marshall Scott Irby's office is located at 2810 Armand Street in Monroe, LA 71201.
What conditions does Dr. Marshall Scott Irby treat?
Dr. Marshall Scott Irby provides treatment for Alpha-1 Antitrypsin Deficiency (AATD), Chronic Cough, Chronic Obstructive Pulmonary Disease (COPD), Nausea and Vomiting, Sarcoidosis, Urethritis. For the full list see this list.
Has Dr. Marshall Scott Irby affiliation with hospitals?
Dr. Marshall Scott Irby is affiliated with MONROE SURGICAL HOSPITAL. For the full list of hospitals see this list.