KHALIL J DIAB MD
NPI 1528230109
Internal Medicine - Pulmonary Disease in Washington, DC

Q: What is Khalil Diab's NPI number?

The NPI number for Khalil Diab is 1528230109. It was assigned to this individual provider in the NPPES registry on March 24, 2008.

Q: What is Khalil Diab'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 Khalil Diab was last updated on June 9, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since March 24, 2008PECOS EnrolledAccepts Medicare Assignment

2150 PENNSYLVANIA AVE NW, WASHINGTON, DC 20037(202) 741-3333(202) 741-2238 Get Directions Write a Review

NPPES record last updated: June 9, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

On this page

About Khalil J Diab Md NPPES

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

KHALIL J DIAB MD (NPI 1528230109) is an individual pulmonary disease provider in Washington, District Of Columbia, licensed in Indiana (01062521A) and active in the NPI registry since March 2008. He is enrolled in Medicare PECOS and is a graduate of Other (2002).

NPPES Registry Identity

NPI1528230109

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameKHALIL J DIABCredential: MD

Location Address2150 PENNSYLVANIA AVE NWWashington, DC 20037-3201

Mailing Address2150 Pennsylvania Ave NwWashington, DC 20037-3201 · (202) 741-3333 · Fax (202) 741-2238

Phone(202) 741-3333

Fax(202) 741-2238

Sole ProprietorNo

Medical School CMSOtherGraduated 2002

Enumeration DateMarch 24, 2008

Last NPPES UpdateJune 9, 2020

NPPES CertifiedJune 9, 2020

✔ NPI 1528230109 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in IN · 01062521A

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 01062521A (IN)

2150 PENNSYLVANIA AVE NW, Washington, DC 20037

Open in Google Maps ↗

Other Identifiers 1

Medicaid200909310IN

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

Khalil J Diab 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 ID7719066497

PECOS Enrollment IDI20201014000694

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 23

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.

Follow-up hospital inpatient care per day, typically 35 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

209 services87 patients

Established patient office or other outpatient visit, 30-39 minutes 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.

174 services98 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

174 services81 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.

82 services82 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.

58 services58 patients

Established patient office or other outpatient visit, 40-54 minutes 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.

58 services49 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.

54 services54 patients

New patient office or other outpatient visit, 60-74 minutes 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.

45 services45 patients

Irrigation and suction of lung airways to obtain cells using an endoscope 31624

This is a procedure where a thin, flexible tube called an endoscope is inserted through your mouth into the lungs. A small amount of saline is then introduced to wash the airways. The fluid, along with cells from the lung, is suctioned back for analysis.

37 services34 patients

Test to measure rate of airflow 94375

This test, known as spirometry, measures how much air you can breathe in and out, and how quickly you can do so. It helps assess your lung function and can be used to diagnose or monitor conditions like asthma or COPD.

36 services36 patients

Biopsy of lobe of lung using an endoscope, 1 lobe 31628

A lung biopsy is a procedure where a small piece of lung tissue is taken for testing. An endoscope, a flexible tube with a light and camera, is used. It's inserted through the mouth or nose, down the windpipe, and into one lobe of the lung.

30 services28 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

28 services25 patients

Test to measure largest amount of air breathed in an out 94200

This test, called spirometry, measures your lung capacity. It involves taking a deep breath and then exhaling as forcefully as possible into a machine. The results help assess how well your lungs function.

25 services25 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.

23 services23 patients

Exam of lung airways with diagnostic or therapeutic procedure on growths using an endoscope and ultrasound 31654

This procedure involves using a specialized instrument, called an endoscope, to examine the lung airways. An ultrasound is also used to get a clearer image of any growths. If necessary, the doctor can perform procedures to diagnose or treat these growths.

20 services19 patients

Needle biopsy of windpipe cartilage, airway, and/or lung using an endoscope 31629

A needle biopsy of windpipe cartilage, airway, or lung involves using a thin, flexible tube with a camera (endoscope) to access and collect tissue samples. This procedure helps doctors diagnose lung conditions or diseases effectively and safely.

19 services17 patients

Established patient office or other outpatient visit, 20-29 minutes 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

18 services18 patients

Exam of lung airways using an endoscope 31623

This procedure, known as a bronchoscopy, involves a doctor examining your lung airways with a thin tube called an endoscope. It helps detect any issues in your lungs or airways, such as infections or blockages. It's a safe, routine procedure.

17 services16 patients

Smoking and tobacco use intensive counseling, more than 10 minutes 99407

This service involves an in-depth discussion about the risks of smoking and tobacco use, spanning over 10 minutes. It provides personalized strategies to quit smoking, including coping techniques for withdrawal symptoms and triggers. The goal is to support your journey towards a healthier lifestyle.

17 services13 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.

15 services15 patients

Smoking and tobacco use intensive counseling, 4-10 minutes 99406

This service provides brief, intensive counseling (4-10 minutes) to support you in quitting smoking or tobacco use. It involves discussing the risks of tobacco use, benefits of quitting, and strategies to help you stop. It's a critical step towards a healthier lifestyle.

14 services11 patients

Exam of lung airways and sampling of lymph nodes using an endoscope and ultrasound guidance, 1-2 lymph nodes 31652

This procedure involves a special tube with a camera (endoscope) entering your lung airways. Guided by ultrasound, it collects samples from 1-2 lymph nodes. This helps doctors understand and diagnose potential issues in your lungs.

13 services13 patients

Initial hospital inpatient care per day, typically 70 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20037 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

$147.85 typical visit price

range $65.18 – $194.86

Typical copayment $36.96 (range $16.29 – $48.71)

Most-billed visit code 99204

Established Patient

$113.72 typical visit price

range $21.40 – $158.88

Typical copayment $28.43 (range $5.35 – $39.72)

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.

Referred Medical Equipment & Supplies CMS DME claims 6

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

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

2 suppliers28 claims28 services$2.34 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

4 suppliers18 claims18 services$22.86 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

3 suppliers15 claims15 services$60.53 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

2 suppliers14 claims2,347 services$0.03 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

1 supplier11 claims562 services$0.16 avg. paid by Medicare

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

DME-Other DME · category DE000N

4 suppliers16 claims16 services$24.37 avg. paid by Medicare

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

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DENISE JOHNSTONE MSN, CRNP

Nurse Practitioner (Family)

2150 PENNSYLVANIA AVE NW, SUITE 10-412
WASHINGTON, DC 20037

District of Columbia (202) 741-3398

JANINE VAN LANCKER M.D.

Allergy & Immunology

2150 PENNSYLVANIA AVE NW, SUITE G-402
WASHINGTON, DC 20037

District of Columbia (202) 741-2771

DR. ROBERT SHESSER MD

Emergency Medicine

2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037

District of Columbia (202) 741-2911

DR. KENYON KEITH KRAMER M.D.

Ophthalmology

2150 PENNSYLVANIA AVE NW, ST 2A
WASHINGTON, DC 20037

District of Columbia (202) 741-2815

DR. CHARLES JOHN MACRI MD

Obstetrics & Gynecology (Maternal & Fetal Medicine)

2150 PENNSYLVANIA AVE NW, STE 10-409A
WASHINGTON, DC 20037

District of Columbia (202) 741-3398

DR. JOHN HENRY GROSSMAN III MD

Obstetrics & Gynecology

2150 PENNSYLVANIA AVE NW, MEDICAL FACULTY ASSOCIATES INC
WASHINGTON, DC 20037

District of Columbia (202) 741-2500

DR. NANCY D GABA MD

Obstetrics & Gynecology

2150 PENNSYLVANIA AVE NW, MEDICAL FACULTY ASSOCIATES INC
WASHINGTON, DC 20037

District of Columbia (202) 741-2500

BRUCE ABELL MD

Surgery

2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037

District of Columbia (202) 741-3188

DR. SUSANNE BATHGATE MD

Obstetrics & Gynecology (Maternal & Fetal Medicine)

2150 PENNSYLVANIA AVE NW, MEDICAL FACULTY ASSOCIATES INC
WASHINGTON, DC 20037

District of Columbia (202) 741-2500

DR. PENDLETON EDMUND ALEXANDER MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

2150 PENNSYLVANIA AVE NW, 6B
WASHINGTON, DC 20037

District of Columbia (202) 741-3220

MS. BARRIE M SEIDMAN MSW

Social Worker

2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037

District of Columbia (202) 741-2900

DR. LYNNE M GABY MD

Psychiatry & Neurology (Psychiatry)

2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037

District of Columbia (202) 741-2900

DR. DAVID REISS MD

Psychiatry & Neurology (Psychiatry)

2150 PENNSYLVANIA AVE NW, 8TH FLOOR
WASHINGTON, DC 20037

District of Columbia (202) 741-2900

DR. JULIA BESS FRANK MD

Psychiatry & Neurology (Pain Medicine)

2150 PENNSYLVANIA AVE NW, 8TH FLOOR
WASHINGTON, DC 20037

District of Columbia (202) 741-2900

DR. JAMES D MICHELSON MD

Orthopaedic Surgery

2150 PENNSYLVANIA AVE NW, 7TH FLOOR
WASHINGTON, DC 20037

District of Columbia (202) 741-3300

FRANCISCO MANUEL IRIANNI MD

Obstetrics & Gynecology (Reproductive Endocrinology)

2150 PENNSYLVANIA AVE NW, 6A
WASHINGTON, DC 20037

District of Columbia (202) 741-2520

DR. ANTHONY J. CAPUTY MD

Neurological Surgery

2150 PENNSYLVANIA AVE NW, 7TH FLOOR
WASHINGTON, DC 20037

District of Columbia (202) 741-2750

DR. APRIL BARBOUR MD

Internal Medicine

2150 PENNSYLVANIA AVE NW, DEPARTMENT OF MEDICINE
WASHINGTON, DC 20037

District of Columbia (202) 741-2222

DR. ELIZABETH LIPTON COBBS MD

Internal Medicine (Geriatric Medicine)

2150 PENNSYLVANIA AVE NW, DEPARTMENT OF MEDICINE
WASHINGTON, DC 20037

District of Columbia (202) 741-2222

DR. JAMES COOPER MD

Internal Medicine (Geriatric Medicine)

2150 PENNSYLVANIA AVE NW, DEPARTMENT OF MEDICINE
WASHINGTON, DC 20037

District of Columbia (202) 741-2191

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 Khalil Diab's NPI number?

The NPI number for Khalil Diab is 1528230109. It was assigned to this individual provider in the NPPES registry on March 24, 2008.

Where is Khalil Diab located?

Khalil Diab practices at 2150 Pennsylvania Ave NW, Washington, DC 20037. The listed phone number is (202) 741-3333.

What is Khalil Diab's specialty?

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

Is Khalil Diab enrolled in Medicare?

Yes. Khalil Diab 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 Khalil Diab was last updated on June 9, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.