DR. LIONEL S. D'SOUZA MD
NPI 1679733182
Internal Medicine - Gastroenterology in East Setauket, NY

Q: What is Lionel D'souza's NPI number?

The NPI number for Lionel D'souza is 1679733182. It was assigned to this individual provider in the NPPES registry on June 10, 2008.

Q: What is Lionel D'souza's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Lionel D'souza was last updated on July 25, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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 June 10, 2008PECOS EnrolledAccepts Medicare Assignment

98.52/100

CMS Quality Rating

3 TECHNOLOGY DR, EAST SETAUKET, NY 11733(631) 444-5220(631) 444-5225 Get Directions Write a Review

NPPES record last updated: July 25, 2017. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. Lionel S. D'souza Md NPPES

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

DR. LIONEL S. D'SOUZA MD (NPI 1679733182) is an individual gastroenterology provider in East Setauket, New York, licensed in New York (272023) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai Hospital, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1679733182

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. LIONEL S. D'SOUZACredential: MD

Location Address3 TECHNOLOGY DREast Setauket, NY 11733-4064

Mailing AddressPo Box 1554Stony Brook, NY 11790-0988

Phone(631) 444-5220

Fax(631) 444-5225

Sole ProprietorNo

Medical School CMSOtherGraduated 2005

Enumeration DateJune 10, 2008

Last NPPES UpdateJuly 25, 2017

✔ NPI 1679733182 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in NY · 272023

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

3 TECHNOLOGY DR, East Setauket, NY 11733

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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

Dr. Lionel S. D'souza 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 ID3476741943

PECOS Enrollment IDI20101228000312

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 30

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.

Review by radiologist of image from tube placement into bile duct using an endoscope 74328

This procedure involves a specialist, called a radiologist, examining an image taken during a tube placement into your bile duct. The tube is inserted with the help of a tool called an endoscope. This allows the doctor to check for any issues or abnormalities in your bile duct.

81 services73 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

75 services70 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

55 services52 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

55 services54 patients

Removal of stone or debris from bile or pancreatic duct using a flexible endoscope 43264

This procedure, called an endoscopic retrograde cholangiopancreatography (ERCP), involves using a flexible tube with a camera (endoscope) to locate and remove stones or debris from your bile or pancreatic duct. It's a non-surgical method to clear the ducts, enhancing your digestive health.

53 services50 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

53 services53 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 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.

53 services50 patients

Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43259

This procedure involves a flexible tube with a camera, called an endoscope, inserted through your mouth to examine your esophagus, stomach, and upper small bowel. An ultrasound device on the endoscope helps get detailed images. It's safe and helps diagnose various conditions.

49 services49 patients

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.

45 services44 patients

Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43242

This procedure involves using an ultrasound to guide a needle to specific areas in the esophagus, stomach, or upper small bowel. A flexible endoscope is used to reach these areas. The needle collects a small sample for testing.

42 services42 patients

Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope through mouth 43237

This procedure involves a flexible tube with a camera and ultrasound device, inserted through the mouth to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like inflammation, tumors, or other abnormalities.

36 services33 patients

Insertion of stent into pancreatic or bile duct using a flexible endoscope 43274

This procedure involves the placement of a tiny tube, known as a stent, into your pancreatic or bile duct. A flexible endoscope, a long, thin instrument with a light and camera, is used. It aids in relieving blockages and improving flow in these ducts.

34 services31 patients

Incision of pancreatic outlet using a flexible endoscope 43262

This procedure involves a small cut in the outlet of the pancreas using a flexible tube with a camera, called an endoscope. It helps doctors diagnose and treat conditions affecting the pancreas, enhancing patient comfort and recovery.

32 services32 patients

Removal of large bowel tissue using a flexible endoscope 45390

This procedure, known as a colonoscopy, involves using a flexible endoscope to examine and potentially remove tissue from the large intestine. The endoscope allows the doctor to view the bowel lining directly and remove any abnormal tissue for further analysis.

31 services31 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

27 services26 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

23 services16 patients

Replacement of stent in pancreatic or bile duct using a flexible endoscope 43276

This procedure involves replacing an existing stent in your pancreatic or bile duct. A flexible endoscope, a tube-like device with a light and camera, is used to view and access the area. The old stent is removed and a new one is placed to help keep the duct open.

22 services13 patients

Drainage of fluid collection of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43240

This procedure involves using a flexible tube with a camera (endoscope) to drain excess fluid from the esophagus, stomach, or upper small bowel. It helps alleviate discomfort and prevent complications. The process is performed by a medical professional.

21 services17 patients

Review by radiologist of image to guide opening of digestive tract 74360

This procedure involves a radiologist examining an image of your digestive tract. The image helps the radiologist determine the best way to open your digestive tract, if necessary. This is done to diagnose or treat certain conditions. It's a common, safe procedure.

21 services21 patients

Removal of foreign bodies of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43247

This procedure involves using a flexible instrument, called an endoscope, to remove foreign objects lodged in the esophagus, stomach, or upper small bowel. The endoscope is gently inserted through the mouth to reach the affected area and safely extract the foreign body.

19 services19 patients

Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 43249

This procedure involves using a flexible tube with a camera, called an endoscope, to gently expand narrowed areas in your esophagus, stomach, or upper small bowel. A small balloon is inflated, making it easier for food and liquid to pass through. It's safe and effective.

18 services15 patients

Removal of tissue lining of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43254

This procedure involves the use of a flexible tube with a light and camera, called an endoscope, to remove tissue from your esophagus, stomach, or upper small bowel. It's typically done to diagnose or treat certain conditions, and is a safe, minimally invasive option.

18 services18 patients

Destruction of polyp or growth of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43270

This procedure involves using a flexible tool called an endoscope to identify and remove abnormal growths or polyps in the esophagus, stomach, or upper small bowel. It's a safe way to prevent these growths from causing health issues.

17 services11 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

15 services15 patients

Study of esophageal sensation by balloon distension 91040

This procedure involves inflating a small balloon in the esophagus, the tube connecting your mouth to your stomach. It helps doctors understand how your esophagus responds to pressure changes, aiding in the diagnosis of certain digestive disorders.

15 services15 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

14 services14 patients

Removal of stent from pancreatic or bile duct using a flexible endoscope 43275

This procedure involves removing a stent from your pancreatic or bile duct. A flexible endoscope, a thin tube with a light and camera, is used to locate the stent. Once found, it's carefully extracted. This helps maintain proper duct function.

13 services13 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

13 services13 patients

Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare 43251

This procedure involves the use of a thin, flexible instrument called an endoscope to visualize and remove abnormal growths, known as polyps, from the esophagus, stomach, or upper small bowel. A tool called a mechanical snare is used to safely cut and remove these growths.

12 services12 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

12 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Mount Sinai Hospital

Acute Care Hospitals · New York, NY

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330024

LocationOne Gustave L Levy PlaceNew York, NY 10029 · New York County

Emergency services Birthing friendly

Mount Sinai St Luke's Roosevelt Hospital

Acute Care Hospitals · New York, NY

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330046

Location1000 Tenth AvenueNew York, NY 10019 · New York County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11733 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

$154.28 typical visit price

range $67.40 – $203.53

Typical copayment $38.57 (range $16.85 – $50.88)

Most-billed visit code 99204

Established Patient

$117.62 typical visit price

range $21.66 – $164.45

Typical copayment $29.40 (range $5.41 – $41.11)

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.

98.52/100

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

Scored through an Alternative Payment Model

Quality

82.85

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 18

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

DR. ELLEN LI MD

Internal Medicine (Gastroenterology)

3 TECHNOLOGY DR
EAST SETAUKET, NY 11733

Suffolk County (631) 444-5220

MS. CAROL ANN MARTIN NP

Nurse Practitioner (Adult Health)

3 TECHNOLOGY DR, SUITE 700
EAST SETAUKET, NY 11733

Suffolk County (631) 444-5220

DR. EDWARD SUN MD

Internal Medicine

3 TECHNOLOGY DR, STONY BROOK INTERNISTS, UFPC
EAST SETAUKET, NY 11733

Suffolk County (631) 444-5220

JOSEFINA VERGEL FNP-C

Nurse Practitioner (Family)

3 TECHNOLOGY DR
EAST SETAUKET, NY 11733

Suffolk County (631) 444-5220

DR. PETER ELLS M.D.

Internal Medicine (Gastroenterology)

3 TECHNOLOGY DR
EAST SETAUKET, NY 11733

Suffolk County (631) 444-5220

ASIM S KHOKHAR M.D.

Internal Medicine (Gastroenterology)

3 TECHNOLOGY DR
EAST SETAUKET, NY 11733

Suffolk County (631) 444-5220

ALEXANDRA GUILLAUME MD

Internal Medicine (Gastroenterology)

3 TECHNOLOGY DR
EAST SETAUKET, NY 11733

Suffolk County (631) 444-5220

DR. BASIL RIGAS M.D.

Internal Medicine (Gastroenterology)

3 TECHNOLOGY DR
EAST SETAUKET, NY 11733

Suffolk County (631) 444-5220

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 Lionel D'souza's NPI number?

The NPI number for Lionel D'souza is 1679733182. It was assigned to this individual provider in the NPPES registry on June 10, 2008.

Where is Lionel D'souza located?

Lionel D'souza practices at 3 Technology Dr, East Setauket, NY 11733. The listed phone number is (631) 444-5220.

What is Lionel D'souza's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Lionel D'souza enrolled in Medicare?

Yes. Lionel D'souza 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.

Is Lionel D'souza affiliated with any hospitals?

According to CMS data, Lionel D'souza is affiliated with Mount Sinai Hospital and Mount Sinai St Luke's Roosevelt Hospital.

When was this NPI record last updated?

The NPPES record for Lionel D'souza was last updated on July 25, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.