Are you Marshall S. Irby, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 2810 Armand St, Monroe, LA 71201
About Dr. Irby
Marshall S. Irby, M.D. is a healthcare provider in Monroe, LA specializing in internal medicine. Marshall is also listed as specializing in pulmonary disease. Medicare claims data shows Marshall provided 1,260 services to 885 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, test to examine how well the lungs exchange gases, and test to determine lung volumes using sensors. This provider record is associated with NPI 1679560411.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (318) 322-5864
- Email not available
Practice Locations
2810 ARMAND ST
Monroe, LA 71201
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
- Anemia
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
- Heart disease
Infections
- Impetigo
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
- EKG
- Spirometry
Bones & Joints
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
Exams & Consultations
- Pre-Op Clearance Exam
Heart & Circulation
- Blood Pressure Check
- Heart monitor
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
- Urinalysis
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
- Ingrown toenail removal
- Suture removal
Office procedures
- Cryotherapy for skin lesions
- Earwax removal
- Incision and drainage of an abscess
- Skin biopsy
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
Preventive & Routine Care
Screenings & Diagnostics
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
1,260 services · 885 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
144 | More often than most peers in Internal Medicine |
| Test to determine lung volumes using sensors | Treatment | 94726 |
144 | More often than most peers in Internal Medicine |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
144 | More often than most peers in Internal Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
712 | More than most peers in Internal Medicine |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
79 | More than most peers in Internal Medicine |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
37 | As often as other peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internists in Monroe 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1982 at Other 8
Providers who graduated from the same medical school in the same year.
More connections — 7 related providers in 1 group
Also performs Test to examine how well the lungs exchange gases 7
Providers in LA who bill this service to Medicare most often.
Common questions
What does Marshall S. Irby specialize in?
Marshall S. Irby is an internist in Monroe, LA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where is Marshall S. Irby located?
Marshall S. Irby is listed at 2810 Armand St, Monroe, LA 71201. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Marshall S. Irby's phone number?
The number on file is (318) 322-5864. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Marshall S. Irby?
Marshall S. Irby's National Provider Identifier is 1679560411. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Marshall S. Irby train?
Marshall S. Irby attended Other, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Marshall S. Irby have?
Marshall S. Irby has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
What does Marshall S. Irby do most often?
According to Medicare billing data, Marshall S. Irby provides treatments such as test to examine how well the lungs exchange gases and test to determine lung volumes using sensors, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Marshall S. Irby's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Marshall S. Irby. If this is you, claiming it is free.
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