WALTER J WILLOUGHBY JR. MD
NPI 1376592477
Internal Medicine - Pulmonary Disease in Las Vegas, NV

Q: What is Walter Willoughby's NPI number?

The NPI number for Walter Willoughby is 1376592477. It was assigned to this individual provider in the NPPES registry on May 8, 2006.

Q: What is Walter Willoughby'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 Walter Willoughby was last updated on November 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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 May 08, 2006PECOS EnrolledAccepts Medicare Assignment

74.58/100

CMS Quality Rating

10105 BANBURRY CROSS DR STE 355, LAS VEGAS, NV 89144(702) 409-3069(702) 473-1869 Get Directions Write a Review

NPPES record last updated: November 3, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Walter J Willoughby Jr. Md NPPES

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

WALTER J WILLOUGHBY JR. MD (NPI 1376592477) is an individual pulmonary disease provider in Las Vegas, Nevada, licensed in Nevada (4004) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Wayne State University School Of Medicine (1975).

NPPES Registry Identity

NPI1376592477

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameWALTER J WILLOUGHBY JR.Credential: MD

Location Address10105 BANBURRY CROSS DR STE 355Las Vegas, NV 89144-6649

Mailing Address10105 Banburry Cross Dr Ste 355Las Vegas, NV 89144-6649 · (702) 409-3069 · Fax (702) 473-1869

Phone(702) 409-3069

Fax(702) 473-1869

Sole ProprietorYes

Medical School CMSWayne State University School Of MedicineGraduated 1975

Enumeration DateMay 8, 2006

Last NPPES UpdateNovember 3, 2025

NPPES CertifiedNovember 3, 2025

✔ NPI 1376592477 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in NV · 4004

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.

Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 4004 (NV)

Also ListedInternal Medicine · Sleep MedicineTaxonomy 207RS0012X · License 4004 (NV)

10105 BANBURRY CROSS DR STE 355, Las Vegas, NV 89144

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Other Identifiers 1

Medicaid1376592477NV

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

Walter J Willoughby Jr. Md 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 ID4385632462

PECOS Enrollment IDI20101213000362

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 24

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.

Injection, tezepelumab-ekko, 1 mg J2356

Tezepelumab-ekko is a medication given via injection to help manage severe asthma. It works by blocking a specific protein in your body that triggers asthma symptoms. This injection is typically administered under medical supervision.

104,371 services56 patients

Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212

This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.

1,648 services291 patients

Inhalation treatment for airway obstruction or sputum production 94640

Inhalation treatment, also known as nebulizer therapy, helps clear airway obstructions and reduce sputum production. It involves breathing in medication through a device, turning it into a mist. This can open up the airways, making breathing easier and helping to cough out mucus.

1,614 services322 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.

1,069 services303 patients

Evaluation of use of breathing device 94664

The evaluation of a breathing device involves checking how effectively you're using it to manage your respiratory condition. It assesses the device's fit, your comfort, and your technique to ensure optimal results.

1,061 services321 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.

610 services309 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.

608 services308 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

546 services285 patients

Blood count, hemoglobin 85018

A blood count, specifically hemoglobin, is a standard test that measures the amount of hemoglobin in your blood. Hemoglobin is a protein in red blood cells that carries oxygen throughout your body. This test helps assess your overall health and detect a variety of disorders such as anemia or polycythemia.

545 services291 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

460 services56 patients

Principal care management services for a single high-risk disease, first 30 minutes provided personally by qualified health care professional, per calendar month. 99424

Principal Care Management (PCM) services are health care services focused on managing a single high-risk disease. A qualified health professional will personally provide these services for the first 30 minutes each month. This could include monitoring your condition, coordinating your care, and making necessary adjustments to your treatment plan.

276 services176 patients

Therapy procedure using a positive pressure ventilator 94660

A positive pressure ventilator is a device that helps with breathing. It pushes air into the lungs to assist in maintaining oxygen levels. This can be essential for patients with conditions that affect their ability to breathe independently. It's non-invasive and comfortable.

108 services71 patients

Artery puncture collection of blood sample 36600

Artery puncture collection is a procedure where a thin needle is inserted into an artery, typically in your wrist, to collect a blood sample. This method often provides more accurate results for certain tests, such as oxygen and carbon dioxide levels. It's generally safe but may cause slight discomfort.

80 services75 patients

Calcium level, ionized 82330

An Ionized Calcium Level test measures the amount of calcium that is freely flowing in your blood. Calcium is essential for vital bodily functions like muscle contraction and nerve transmission. This test helps to detect and monitor conditions affecting calcium metabolism.

80 services75 patients

Carboxyhemoglobin (protein) level 82375

The Carboxyhemoglobin level test measures the amount of carbon monoxide attached to the hemoglobin in your red blood cells. This test is important as high levels may indicate carbon monoxide poisoning, which can cause serious health issues.

80 services75 patients

Blood chloride level 82435

A blood chloride level test measures the amount of chloride, a type of electrolyte, in your blood. Electrolytes help balance the amount of fluids in your body and maintain your body's acid-base balance. This test can help diagnose health issues like kidney diseases, liver diseases, and heart failure.

80 services75 patients

Blood gases measurement, with o2 saturation 82805

Blood gases measurement with O2 saturation is a test that checks how well your lungs are supplying oxygen to your blood and removing carbon dioxide. It helps assess the efficiency of your respiratory system and guides treatment plans.

80 services75 patients

Blood glucose (sugar) level 82947

A blood glucose level test measures the amount of sugar in your blood. It's often used to monitor and manage conditions like diabetes. High or low levels can indicate a health issue. The test is usually done by pricking your finger for a small blood sample.

80 services75 patients

Methemoglobin (hemoglobin) analysis, quantitative 83050

Methemoglobin analysis is a blood test that measures the amount of methemoglobin, a form of hemoglobin, in your blood. This test helps diagnose conditions that affect oxygen delivery to your body's tissues. It's a simple, safe procedure.

80 services75 patients

Lactic acid level 83605

A lactic acid level test measures the amount of lactic acid in your blood. This substance is produced when oxygen levels in your body are low, typically during intense exercise. However, high levels could indicate a problem with your body's metabolism or a lack of oxygen.

80 services75 patients

Blood sodium level 84295

A blood sodium level test measures the amount of sodium, a vital mineral, in your blood. It helps assess your body's water levels and the function of your nerves and muscles. Abnormal levels may indicate conditions like dehydration, kidney disease, or hormonal imbalances.

80 services75 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.

67 services67 patients

Test for exercise-induced lung stress 94618

An exercise-induced lung stress test assesses how your lungs respond to physical activity. During the test, you'll exercise on a treadmill or stationary bike while your heart rate, breathing, blood pressure, and oxygen levels are monitored. This helps identify any abnormal lung responses to exercise.

52 services50 patients

Test to determine lung volumes using gas dilution or washout 94727

This test measures lung volumes by either diluting or washing out a known amount of gas in your lungs. You'll breathe in a harmless gas, then exhale. The exhaled air is analyzed to assess your lung capacity and function.

43 services43 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89144 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

$131.25 typical visit price

range $57.07 – $173.24

Typical copayment $32.81 (range $14.26 – $43.31)

Most-billed visit code 99204

Established Patient

$100.60 typical visit price

range $18.27 – $140.96

Typical copayment $25.15 (range $4.56 – $35.24)

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.

74.58/100

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

Individually scored

Quality

62.8

Promoting Interoperability

Improvement Activities

Cost

54.13

Reported Quality Measures

Advance Care Plan

14%808 patients1/55-star benchmark: 100%

Closing the Referral Loop: Receipt of Specialist Report

18%66 patients1/55-star benchmark: 87%

Colorectal Cancer Screening

11%675 patients1/55-star benchmark: 88%

Controlling High Blood Pressure

55%115 patients3/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

97%3,399 patients4/55-star benchmark: 100%

e-Prescribing

98%1,058 patients4/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

22%1,203 patients1/55-star benchmark: 98%

Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented

18%2,186 patients2/55-star benchmark: 61%

Provide Patients Electronic Access to Their Health Information

70%900 patients3/55-star benchmark: 100%

Statin Therapy for the Prevention and Treatment of Cardiovascular Disease

77%102 patients4/55-star benchmark: 91%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 0% · 815 patients

Patients totalRate: 1% · 816 patients

1%816 patients4/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 25

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

10 suppliers81 claims81 services$35.60 avg. paid by Medicare

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

DME-Other DME · category DE001N

11 suppliers121 claims121 services$80.35 avg. paid by Medicare

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

DME-Other DME · category DE001N

11 suppliers115 claims306 services$29.33 avg. paid by Medicare

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

DME-Other DME · category DE001N

9 suppliers59 claims330 services$15.55 avg. paid by Medicare

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

DME-Other DME · category DE001N

7 suppliers47 claims261 services$12.45 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

9 suppliers116 claims116 services$46.34 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

14 suppliers135 claims135 services$15.95 avg. paid by Medicare

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

12 suppliers122 claims122 services$10.67 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

13 suppliers207 claims1,174 services$1.78 avg. paid by Medicare

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

DME-Other DME · category DE001N

11 suppliers86 claims86 services$4.94 avg. paid by Medicare

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

DME-Other DME · category DE001N

13 suppliers88 claims88 services$11.27 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

6 suppliers94 claims94 services$14.63 avg. paid by Medicare

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

DME-Other DME · category DE005N

2 suppliers20 claims20 services$887.40 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

3 suppliers30 claims30 services$67.71 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 suppliers23 claims25 services$196.66 avg. paid by Medicare

Humidifier, heated, used with positive airway pressure device E0562

DME-Other DME · category DE001N

3 suppliers14 claims14 services$116.39 avg. paid by Medicare

Humidifier, heated, used with positive airway pressure device E0562

DME-Other DME · category DE001N

3 suppliers17 claims19 services$12.51 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

7 suppliers77 claims77 services$4.72 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

8 suppliers125 claims125 services$28.58 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

11 suppliers316 claims316 services$68.11 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

9 suppliers156 claims156 services$34.33 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

1 supplier12 claims720 services$6.60 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

18 suppliers41 claims11,323 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

4 suppliers15 claims1,500 services$0.09 avg. paid by Medicare

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

DME-Other DME · category DE000N

23 suppliers75 claims75 services$25.27 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 Walter Willoughby's NPI number?

The NPI number for Walter Willoughby is 1376592477. It was assigned to this individual provider in the NPPES registry on May 8, 2006.

Where is Walter Willoughby located?

Walter Willoughby practices at 10105 Banburry Cross Dr Ste 355, Las Vegas, NV 89144. The listed phone number is (702) 409-3069.

What is Walter Willoughby's specialty?

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

Is Walter Willoughby enrolled in Medicare?

Yes. Walter Willoughby 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.

When was this NPI record last updated?

The NPPES record for Walter Willoughby was last updated on November 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.