MARSHALL SCOTT IRBY M.D.
NPI 1679560411
Internal Medicine - Pulmonary Disease in Monroe, LA

Q: What is Marshall Irby's NPI number?

The NPI number for Marshall Irby is 1679560411. It was assigned to this individual provider in the NPPES registry on October 5, 2005.

Q: What is Marshall Irby's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for Marshall Irby was last updated on January 16, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since October 05, 2005PECOS EnrolledAccepts Medicare Assignment

5.88/100

CMS Quality Rating

2810 ARMAND ST, MONROE, LA 71201(318) 322-5864(318) 322-5992 Get Directions Write a Review

NPPES record last updated: January 16, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Marshall Scott Irby M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARSHALL SCOTT IRBY M.D. (NPI 1679560411) is an individual pulmonary disease provider in Monroe, Louisiana, licensed in Louisiana (08027R) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with St Francis Medical Center, and is a graduate of Other (1982).

NPPES Registry Identity

NPI1679560411

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameMARSHALL SCOTT IRBYCredential: M.D.

Location Address2810 ARMAND STMonroe, LA 71201-3752

Mailing Address2810 Armand StMonroe, LA 71201-3752 · (318) 322-5864 · Fax (318) 322-5992

Phone(318) 322-5864

Fax(318) 322-5992

Sole ProprietorYes

Medical School CMSOtherGraduated 1982

Enumeration DateOctober 5, 2005

Last NPPES UpdateJanuary 16, 2008

✔ NPI 1679560411 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in LA · 08027R

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

2810 ARMAND ST, Monroe, LA 71201

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Other Identifiers 3

Medicare PIN5J510LA

Medicaid1388068LA

Medicare UPINC65374LA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, HMO Louisiana, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Marshall Scott Irby M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7517904089

PECOS Enrollment IDI20100322000056

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

712 services392 patients

Test to measure expiratory airflow and volume 94010

This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.

144 services126 patients

Test to determine lung volumes using sensors 94726

This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.

144 services126 patients

Test to examine how well the lungs exchange gases 94729

This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.

144 services126 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

79 services79 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

37 services36 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Francis Medical Center

Acute Care Hospitals · Monroe, LA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number190125

Location309 Jackson StreetMonroe, LA 71201 · Ouachita County

Emergency services Birthing friendly

Franklin Medical Center

Acute Care Hospitals · Winnsboro, LA

OwnershipGovernment - Hospital District or Authority

CMS Certification Number190140

Location2106 Loop RoadWinnsboro, LA 71295 · Franklin County

Emergency services

Richardson Medical Center

Acute Care Hospitals · Rayville, LA

OwnershipGovernment - Hospital District or Authority

CMS Certification Number190151

Location254 Highway 3048Rayville, LA 71269 · Richland County

Emergency services

Monroe Surgical Hospital

Acute Care Hospitals · Monroe, LA

OwnershipProprietary

CMS Certification Number190245

Location2408 Broadmoor BlvdMonroe, LA 71201 · Ouachita County

West Carroll Memorial Hospital

Critical Access Hospitals · Oak Grove, LA

OwnershipProprietary

CMS Certification Number191327

Location706 Ross StreetOak Grove, LA 71263 · West Carroll County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 71201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$124.60 typical visit price

range $53.43 – $164.73

Typical copayment $31.15 (range $13.35 – $41.18)

Most-billed visit code 99204

Established Patient

$95.09 typical visit price

range $16.64 – $133.62

Typical copayment $23.77 (range $4.16 – $33.40)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

5.88/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

Improvement Activities

Cost

19.63

Referred Medical Equipment & Supplies CMS DME claims 32

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

5 suppliers38 claims38 services$38.87 avg. paid by Medicare

Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003

DME-Other DME · category DE000N

6 suppliers77 claims151 services$1.61 avg. paid by Medicare

Administration set, with small volume nonfiltered pneumatic nebulizer, non-disposable A7005

DME-Other DME · category DE000N

3 suppliers18 claims18 services$15.48 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

16 suppliers364 claims364 services$99.69 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

16 suppliers359 claims840 services$38.46 avg. paid by Medicare

Cushion for use on nasal mask interface, replacement only, each A7032

DME-Other DME · category DE001N

10 suppliers111 claims561 services$22.51 avg. paid by Medicare

Pillow for use on nasal cannula type interface, replacement only, pair A7033

DME-Other DME · category DE001N

8 suppliers59 claims320 services$15.23 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

11 suppliers198 claims198 services$61.89 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

16 suppliers363 claims363 services$20.56 avg. paid by Medicare

Chinstrap used with positive airway pressure device A7036

DME-Other DME · category DE001N

3 suppliers15 claims15 services$10.77 avg. paid by Medicare

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

19 suppliers481 claims482 services$18.24 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

20 suppliers552 claims2,990 services$2.68 avg. paid by Medicare

Filter, non disposable, used with positive airway pressure device A7039

DME-Other DME · category DE001N

15 suppliers201 claims201 services$7.00 avg. paid by Medicare

Water chamber for humidifier, used with positive airway pressure device, replacement, each A7046

DME-Other DME · category DE001N

10 suppliers102 claims102 services$13.14 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

5 suppliers78 claims78 services$18.08 avg. paid by Medicare

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466

DME-Other DME · category DE005N

3 suppliers27 claims27 services$798.57 avg. paid by Medicare

Respiratory assist device, bi-level pressure capability, without backup rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) E0470

DME-Other DME · category DE001N

9 suppliers164 claims164 services$98.92 avg. paid by Medicare

Respiratory assist device, bi-level pressure capability, with back-up rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) E0471

DME-Other DME · category DE001N

2 suppliers18 claims18 services$261.55 avg. paid by Medicare

Humidifier, heated, used with positive airway pressure device E0562

DME-Other DME · category DE001N

5 suppliers65 claims65 services$158.30 avg. paid by Medicare

Humidifier, heated, used with positive airway pressure device E0562

DME-Other DME · category DE001N

5 suppliers144 claims145 services$16.07 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

7 suppliers78 claims78 services$6.05 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

16 suppliers762 claims768 services$39.15 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

12 suppliers287 claims287 services$94.61 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

2 suppliers31 claims31 services$32.70 avg. paid by Medicare

Arformoterol, inhalation solution, fda approved final product, non-compounded, administered through dme, unit dose form, 15 micrograms J7605

DME-Drugs Administered Through DME · category DG006N

1 supplier14 claims786 services$4.45 avg. paid by Medicare

Formoterol fumarate, inhalation solution, fda approved final product, non-compounded, administered through dme, unit dose form, 20 micrograms J7606

DME-Drugs Administered Through DME · category DG006N

5 suppliers159 claims9,396 services$6.56 avg. paid by Medicare

Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613

DME-Drugs Administered Through DME · category DG006N

3 suppliers62 claims6,675 services$0.03 avg. paid by Medicare

Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620

DME-Drugs Administered Through DME · category DG006N

2 suppliers15 claims1,710 services$0.09 avg. paid by Medicare

Budesonide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, up to 0.5 mg J7626

DME-Drugs Administered Through DME · category DG000N

1 supplier44 claims2,640 services$0.80 avg. paid by Medicare

Ipratropium bromide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, per milligram J7644

DME-Drugs Administered Through DME · category DG006N

4 suppliers135 claims6,930 services$0.16 avg. paid by Medicare

Revefenacin inhalation solution, fda-approved final product, non-compounded, administered through dme, 1 microgram J7677

DME-Drugs Administered Through DME · category DG006N

3 suppliers38 claims199,500 services$0.15 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

6 suppliers225 claims225 services$25.35 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marshall Irby's NPI number?

The NPI number for Marshall Irby is 1679560411. It was assigned to this individual provider in the NPPES registry on October 5, 2005.

Where is Marshall Irby located?

Marshall Irby practices at 2810 Armand St, Monroe, LA 71201. The listed phone number is (318) 322-5864.

What is Marshall Irby's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Marshall Irby enrolled in Medicare?

Yes. Marshall Irby is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Marshall Irby accept?

Health plans from Blue Cross and Blue Shield of Louisiana, HMO Louisiana and UnitedHealthcare list Marshall Irby as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Marshall Irby affiliated with any hospitals?

According to CMS data, Marshall Irby is affiliated with St Francis Medical Center, Franklin Medical Center, Richardson Medical Center, Monroe Surgical Hospital and West Carroll Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Marshall Irby was last updated on January 16, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.