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HERITAGE INTERNAL MEDICINE ASSOCIATES LLC
NPI 1609051044
Internal Medicine in Manchester, CT

Active since January 03, 2008CLIA 07D1078372 · Waiver
945 MAIN ST, SUITE 102, MANCHESTER, CT 06040(860) 643-0319(860) 812-0310 Get Directions Write a Review

NPPES record last updated: March 1, 2013. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Heritage Internal Medicine Associates Llc NPPES

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

HERITAGE INTERNAL MEDICINE ASSOCIATES LLC (NPI 1609051044) is a healthcare organization registered as an internal medicine in Manchester, Connecticut and active in the NPI registry since January 2008. The organization holds a CLIA Waiver certificate valid through January 7, 2028 and lists Marjorie Arzt Garrett, Owner, as its authorized official.

NPPES Registry Identity

NPI1609051044
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameHERITAGE INTERNAL MEDICINE ASSOCIATES LLC
Location Address945 MAIN ST, SUITE 102Manchester, CT 06040-6064
Mailing Address945 Main St, Suite 102Manchester, CT 06040-6064 · (860) 643-0319 · Fax (860) 801-0310
Phone(860) 643-0319
Fax(860) 812-0310
Organization SubpartNo
Authorized OfficialMarjorie Arzt GarrettOwner · (860) 801-0316
Enumeration DateJanuary 3, 2008
Last NPPES UpdateMarch 1, 2013
✔ NPI 1609051044 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CT · 038384
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
945 MAIN ST, Manchester, CT 06040
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Other Identifiers 1

Medicare PINC03868CT

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Heritage Internal Medicine Associates Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

6

Medicare enrollment records show 6 clinicians reassign Medicare billing to Heritage Internal Medicine Associates LLC, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 5 within 10 miles. They are listed nearest first.

Clinicians, nearest first (6)

Karyn Guilmain, APRN
Nurse Practitioner
NPI 1285584276
945 MAIN ST STE 102
Manchester, CT 06040
(860) 643-0319
✔ PECOS✔ Accepts MedicareSame address
Andrew Garrett, MD
Internal Medicine
NPI 1386613305
945 MAIN ST SUITE 102
Manchester, CT 06040
(860) 643-0319
✔ PECOS✔ Accepts MedicareSame address
Marjorie Garrett, MD
Internal Medicine
NPI 1710955935
945 MAIN ST SUITE 102
Manchester, CT 06040
(860) 643-0319
✔ PECOS✔ Accepts MedicareSame address
Constantine Zariphes, MD
Internal Medicine
NPI 1992788970
945 MAIN ST SUITE 102
Manchester, CT 06040
(860) 643-0319
✔ PECOS✔ Accepts MedicareSame address
Ling Li, APRN
Nurse Practitioner
NPI 1417135195
3580 MAIN STREET
Hartford, CT 06120
(860) 522-2877
✔ PECOS✔ Accepts Medicare7.6 mi
Elizabeth Hassan, APRN
Nurse Practitioner
NPI 1770954109
263 FARMINGTON AVE
Farmington, CT 06030
(860) 679-2100
✔ PECOS✔ Accepts Medicare14 mi

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 07D1078372

Heritage Internal Medicine Associates · Manchester, CT
Active · expires Jan 7, 2028
CLIA Number07D1078372
Laboratory TypePhysician Office
Certificate Effective DateJanuary 8, 2026
Certificate Expiration DateJanuary 7, 2028
Laboratory DirectorMarjorie A. Garrett, MD
Laboratory Phone(860) 643-0319
Laboratory LocationHeritage Internal Medicine Associates945 Main Street, Suite 102, Manchester, CT 06040
CLIA data matches this NPI record on: Address Name 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 Heritage Internal Medicine Associates LLC's NPI number?

The NPI number for Heritage Internal Medicine Associates LLC is 1609051044. It was assigned to this organization in the NPPES registry on January 3, 2008.

Where is Heritage Internal Medicine Associates LLC located?

Heritage Internal Medicine Associates LLC is located at 945 Main St Suite 102, Manchester, CT 06040. The listed phone number is (860) 643-0319.

What is Heritage Internal Medicine Associates LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Heritage Internal Medicine Associates LLC enrolled in Medicare?

Yes. Heritage Internal Medicine Associates LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Heritage Internal Medicine Associates LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 2 Medicare specialties reassign their Medicare billing to Heritage Internal Medicine Associates LLC. 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 Internal Medicine (3) and Nurse Practitioner (3). Of these, 4 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Heritage Internal Medicine Associates LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 07D1078372) is associated with this NPI, valid through January 7, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Heritage Internal Medicine Associates LLC accept?

Health plans from Anthem Blue Cross and Blue Shield list Heritage Internal Medicine Associates LLC 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.

When was this NPI record last updated?

The NPPES record for Heritage Internal Medicine Associates LLC was last updated on March 1, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.