DR. DENNIS ELLIOTT LEE MD
NPI 1184683617
Internal Medicine - Gastroenterology in Newton, MA

Q: What is Dennis Lee's NPI number?

The NPI number for Dennis Lee is 1184683617. It was assigned to this individual provider in the NPPES registry on March 22, 2006.

Q: What is Dennis Lee'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 Dennis Lee was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 March 22, 2006PECOS EnrolledAccepts Medicare Assignment

2000 WASHINGTON ST, SUITE 368 GASTROENTEROLOGY HEALTH CARE ASSOCIATES, NEWTON, MA 02462(617) 969-1227(617) 969-2676 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

On this page

About Dr. Dennis Elliott Lee Md NPPES

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

DR. DENNIS ELLIOTT LEE MD (NPI 1184683617) is an individual gastroenterology provider in Newton, Massachusetts, licensed in Massachusetts (51287) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Columbia University College Of Physicians And Surgeons (1980).

NPPES Registry Identity

NPI1184683617

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. DENNIS ELLIOTT LEECredential: MD

Location Address2000 WASHINGTON ST, SUITE 368 GASTROENTEROLOGY HEALTH CARE ASSOCIATESNewton, MA 02462

Mailing Address2000 Washington St, Suite 368Newton, MA 02462 · (617) 969-1227 · Fax (617) 969-2676

Phone(617) 969-1227

Fax(617) 969-2676

Sole ProprietorNo

Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 1980

Enumeration DateMarch 22, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1184683617 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 MA · 51287

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.

2000 WASHINGTON ST, Newton, MA 02462

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Other Identifiers 3

OtherJ04534MA · Bcbs Ma

Medicaid3002641MA

Other703023MA · Tufts Health Plan

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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

Dr. Dennis Elliott Lee 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 ID3476516022

PECOS Enrollment IDI20041105000059

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 15

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.

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.

152 services148 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.

127 services125 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.

124 services122 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

92 services91 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.

82 services75 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

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

53 services52 patients

Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500

Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.

52 services52 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.

30 services26 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.

18 services18 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

17 services17 patients

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

14 services13 patients

Biopsy of large bowel using a flexible endoscope 45380

13 services13 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.

13 services13 patients

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

11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220071

Location55 Fruit StreetBoston, MA 02114 · Suffolk County

Emergency services Birthing friendly

Newton-Wellesley Hospital

Acute Care Hospitals · Newton, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220101

Location2014 Washington StreetNewton, MA 02462 · Middlesex County

Emergency services Birthing friendly

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220110

Location75 Francis StreetBoston, MA 02115 · Suffolk County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02462 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

$144.11 typical visit price

range $63.72 – $189.86

Typical copayment $36.02 (range $15.93 – $47.46)

Most-billed visit code 99204

Established Patient

$111.18 typical visit price

range $21.07 – $155.29

Typical copayment $27.79 (range $5.26 – $38.82)

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.

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.

BRUCE ALDEN THAYER M.D.

Surgery

2000 WASHINGTON ST, SUITE 665
NEWTON, MA 02462

Middlesex County (617) 243-3724

DR. MATTHIAS BERNARD DONELAN MD

Plastic Surgery

2000 WASHINGTON ST
NEWTON LOWER FALLS, MA 02462

Middlesex County (617) 244-0990

DR. BRINDA TRIVEDI GUPTA MD

Pediatrics

2000 WASHINGTON ST, SUITE 466
NEWTON, MA 02462

Middlesex County (617) 969-8989

NEW ENGLAND EAR NOSE AND THROAT LLC

Otolaryngology (Otolaryngology/Facial Plastic Surgery)

2000 WASHINGTON ST, SUITE 544 WHITE BUILDING
NEWTON, MA 02462

Middlesex County (617) 910-0368

NICHOLAS MICHAEL MASCOLI III M.D.

Internal Medicine

2000 WASHINGTON ST, SUITE 546
NEWTON LOWER FALLS, MA 02462

Middlesex County (617) 964-5020

BRUCE M. LESLIE M.D.

Orthopaedic Surgery (Hand Surgery)

2000 WASHINGTON ST, SUITE 341
NEWTON, MA 02462

Middlesex County (617) 964-0024

TARA A GRABOWSKY M.D.

Internal Medicine

2000 WASHINGTON ST, SUITE 441
NEWTON, MA 02462

Middlesex County (617) 964-9070

ANN WANG-DOHLMAN, MD, PC

Allergy & Immunology (Allergy)

2000 WASHINGTON ST, SUITE 205
NEWTON, MA 02462

Middlesex County (617) 527-3440

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 Dennis Lee's NPI number?

The NPI number for Dennis Lee is 1184683617. It was assigned to this individual provider in the NPPES registry on March 22, 2006.

Where is Dennis Lee located?

Dennis Lee practices at 2000 Washington St Suite 368 Gastroenterology Health Care Associates, Newton, MA 02462. The listed phone number is (617) 969-1227.

What is Dennis Lee's specialty?

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

Is Dennis Lee enrolled in Medicare?

Yes. Dennis Lee 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 Dennis Lee accept?

Health plans from Anthem Blue Cross and Blue Shield list Dennis Lee 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 Dennis Lee affiliated with any hospitals?

According to CMS data, Dennis Lee is affiliated with Massachusetts General Hospital, Newton-Wellesley Hospital and Brigham And Women's Hospital.

When was this NPI record last updated?

The NPPES record for Dennis Lee was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.