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GASTROENTEROLOGY HEALTHCARE ASSOCIATES PC
NPI 1639399876
Internal Medicine - Gastroenterology in Newton, MA

Active since April 30, 2007CLIA 22D0862491 · Waiver
2000 WASHINGTON STREET, SUITE 368, NEWTON, MA 02462(617) 969-1227(617) 969-2676 Get Directions Write a Review

NPPES record last updated: November 22, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Gastroenterology Healthcare Associates Pc NPPES

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

GASTROENTEROLOGY HEALTHCARE ASSOCIATES PC (NPI 1639399876) is a healthcare organization registered as a gastroenterology in Newton, Massachusetts and active in the NPI registry since April 2007. The organization holds a CLIA Waiver certificate valid through August 31, 2028 and lists Richard L Curtis, President Gastroenterology Healthca, as its authorized official.

NPPES Registry Identity

NPI1639399876
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameGASTROENTEROLOGY HEALTHCARE ASSOCIATES PC
Location Address2000 WASHINGTON STREET, SUITE 368Newton, MA 02462
Mailing Address2000 Washington Street, Suite 368Newton, MA 02462 · (617) 969-1227 · Fax (617) 969-2676
Phone(617) 969-1227
Fax(617) 969-2676
Organization SubpartNo
Authorized OfficialRichard L CurtisPresident Gastroenterology Healthca · (617) 969-1227
Enumeration DateApril 30, 2007
Last NPPES UpdateNovember 22, 2010
✔ NPI 1639399876 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
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 STREET, Newton, MA 02462
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Other Identifiers 4

Other600894MA · Tufts
Medicare ID-Type UnspecifiedM15699MA
OtherM15699MA · Bcbs
Medicaid9770151MA

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gastroenterology Healthcare Associates Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

11

Medicare enrollment records show 11 clinicians reassign Medicare billing to Gastroenterology Healthcare Associates PC, which bills Medicare for the services they deliver. Of these, 8 practice within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 2

Gastroenterology10
Internal Medicine1

Clinicians, nearest first (11)

Benjamin Levitzky, M.D.
Gastroenterology
NPI 1457392714
2000 WASHINGTON ST STE 368
Newton, MA 02462
(617) 969-1227
✔ PECOS✔ Accepts MedicareSame address
Michael O'donnell, M.D.
Gastroenterology
NPI 1609223676
2000 WASHINGTON ST
Newton, MA 02462
(617) 969-1227
✔ PECOS✔ Accepts MedicareSame address
Elissa Kaplan, M.D.
Gastroenterology
NPI 1922083542
2000 WASHINGTON ST SUITE 368
Newton, MA 02462
(617) 969-1227
✔ PECOS✔ Accepts MedicareSame address
Dennis Lee, MD
Gastroenterology
NPI 1184683617
2000 WASHINGTON ST SUITE 368 GASTROENTEROLOGY HEALTH CARE ASSOCIATES
Newton, MA 02462
(617) 969-1227
✔ PECOS✔ Accepts MedicareSame address
Richard Curtis, MD
Gastroenterology
NPI 1811987902
2000 WASHINGTON STREET SUITE 368
Newton, MA 02462
(617) 969-1227
✔ PECOS✔ Accepts Medicare0.1 mi
Jeffrey Schwartz, MD
Gastroenterology
NPI 1982198636
55 FRUIT ST
Boston, MA 02114
(617) 726-2000
✔ PECOS✔ Accepts Medicare9.4 mi
Xiao Tan, MD, PHD
Internal Medicine
NPI 1801181854
55 FRUIT STREET BLAKE 4
Boston, MA 02114
(617) 643-6361
✔ PECOS✔ Accepts Medicare9.4 mi
Daria Homenko, M.D.
Gastroenterology
NPI 1891958385
750 WASHINGTON ST
Boston, MA 02111
(617) 636-5000
✔ PECOS✔ Accepts Medicare9.5 mi
Ann Marie Joyce, MD
Gastroenterology
NPI 1447248042
45B DISCOVERY WAY
Acton, MA 01720
(978) 429-2010
✔ PECOS✔ Accepts Medicare14 mi
Miles Basil
Gastroenterology
NPI 1881004935
3601 THE VANDERBILT CLINIC
Nashville, TN 37232
(615) 322-3000
✔ PECOS✔ Accepts Medicare936 mi
Laurence Bailen, M.D.
Gastroenterology
NPI 1922078930
2000 WASHINGTON ST GREEN BUILDING, SUITE 368
Newton, MA 02462
(617) 969-1227
✔ PECOS✔ Accepts Medicare

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 22D0862491

Gastroenterology Health Care Assoc PC · Newton, MA
Active · expires Aug 31, 2028
CLIA Number22D0862491
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2026
Certificate Expiration DateAugust 31, 2028
Laboratory DirectorRichard L. Curtis
Laboratory Phone(617) 969-1227
Laboratory LocationGastroenterology Health Care Assoc PC2000 Washington Street Ste 368, Newton, MA 02162
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Gastroenterology Healthcare Associates PC's NPI number?

The NPI number for Gastroenterology Healthcare Associates PC is 1639399876. It was assigned to this organization in the NPPES registry on April 30, 2007.

Where is Gastroenterology Healthcare Associates PC located?

Gastroenterology Healthcare Associates PC is located at 2000 Washington Street Suite 368, Newton, MA 02462. The listed phone number is (617) 969-1227.

What is Gastroenterology Healthcare Associates PC's specialty?

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

Is Gastroenterology Healthcare Associates PC enrolled in Medicare?

Yes. Gastroenterology Healthcare Associates PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gastroenterology Healthcare Associates PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 11 clinicians in 2 Medicare specialties reassign their Medicare billing to Gastroenterology Healthcare Associates PC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Gastroenterology (10) and Internal Medicine (1). Of these, 8 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Gastroenterology Healthcare Associates PC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 22D0862491) is associated with this NPI, valid through August 31, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Gastroenterology Healthcare Associates PC was last updated on November 22, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.