ELIOT COMMUNITY HUMAN SERVICES
NPI 1932271632
Clinic/Center - Mental Health (Including Community Mental Health Center) in Lexington, MA

Active since November 15, 2006
125 HARTWELL AVE, LEXINGTON, MA 02421(781) 861-0890(781) 861-0899 Get Directions Write a Review

NPPES record last updated: July 30, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 30, 2019, Jul 24, 2019 (2 updates tracked since 2019).

About Eliot Community Human Services NPPES

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

ELIOT COMMUNITY HUMAN SERVICES (NPI 1932271632), doing business as Tri-city Mental Health And Retardation Center, is a healthcare organization registered as a mental health (including community mental health center) in Lexington, Massachusetts and active in the NPI registry since November 2006. The organization lists Kate Markarian, Ceo, as its authorized official.

NPPES Registry Identity

NPI1932271632
Entity TypeOrganization
Primary Taxonomy261QM0801X
Legal Business NameELIOT COMMUNITY HUMAN SERVICES
Location Address125 HARTWELL AVELexington, MA 02421
Mailing Address125 Hartwell AveLexington, MA 02421-3100 · (781) 861-0890 · Fax (781) 861-0899
Fax(781) 861-0899
Organization SubpartNo
Authorized OfficialKate MarkarianCeo · (781) 861-0890
Enumeration DateNovember 15, 2006
Last NPPES UpdateJuly 30, 20192 updates tracked since enumeration
✔ NPI 1932271632 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Mental Health (Including Community Mental Health Center)Ambulatory Health Care Facilities
Taxonomy Code261QM0801X
Licenses✔ Licensed in MA · 4321✔ Licensed in MA · 0730
125 HARTWELL AVE, Lexington, MA 02421

Other Names 1

Former Legal Business NameTri-city Mental Health And Retardation Center

Other Identifiers 16

Medicaid1304852MA
OtherEI0M35MA · Baystate Health Ei
OtherFS2030290MA · Administar Defense Servic
Medicaid1307908MA
Medicaid1800809MA
Other1003010MA · Mh Nhp Beacon Health
Other286694MA · Merit Behavioral Care
Other601959MA · Harvard Pilgrim Health
Other260000472MA · Traverlers Ins. Rr-medica
Other702286MA · Tufts Assoc. Health
OtherEI0032MA · Ei Bcbsma
Medicaid1300873MA
Other0009253MA · Neighborhood Health Plan
Medicaid1310275MA
Other84645MA · Us Health Care
OtherTRI2223002641MA · Bcbsma

Accepted 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)

Eliot Community Human Services is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

166

Medicare enrollment records show 166 clinicians reassign Medicare billing to Eliot Community Human Services, which bills Medicare for the services they deliver. Of these, 10 practice at this address and 38 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 6

Clinical Social Worker54
Mental Health Counselor48
Nurse Practitioner40
Psychiatry17
Certified Clinical Nurse Specialist (CNS)5
Clinical Psychologist2

Nearest to this location (20)

See all 166
Mental Health Counselor
NPI 1669963856
125 HARTWELL AVE
Lexington, MA 02421
(978) 270-7087
✔ PECOSSame address
Mental Health Counselor
NPI 1053952838
125 HARTWELL AVE
Lexington, MA 02421
(781) 861-0890
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1154664670
125 HARTWELL AVE
Lexington, MA 02421
(781) 861-0890
✔ PECOSSame address
Mental Health Counselor
NPI 1902512767
125 HARTWELL AVE
Lexington, MA 02421
(781) 861-0890
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1003598202
125 HARTWELL AVE
Lexington, MA 02421
(781) 861-0890
✔ PECOSSame address
Mental Health Counselor
NPI 1831862952
125 HARTWELL AVE
Lexington, MA 02421
(781) 861-0890
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1477375749
125 HARTWELL AVE
Lexington, MA 02421
(781) 861-0890
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1578446860
125 HARTWELL AVE
Lexington, MA 02421
(781) 861-0890
✔ PECOSSame address
Nurse Practitioner
NPI 1548593288
125 HARTWELL AVE
Lexington, MA 02421
(781) 643-9944
✔ PECOSSame address
Nurse Practitioner
NPI 1487471843
125 HARTWELL AVE
Lexington, MA 02421
(781) 861-0890
✔ PECOS✔ Accepts MedicareSame address
Clinical Psychologist
NPI 1194852517
4 MILITIA DRIVE SUITE 23
Lexington, MA 02421
(978) 831-7701
✔ PECOS✔ Accepts Medicare1.8 mi
Clinical Social Worker
NPI 1326546854
41 MALL RD DEPARTMENT OF TRANSPLANTATION
Burlington, MA 01805
(781) 744-8000
✔ PECOS✔ Accepts Medicare5.2 mi
Clinical Social Worker
NPI 1457898777
768 BOSTON RD
Billerica, MA 01821
(617) 209-9884
✔ PECOS5.2 mi
Nurse Practitioner
NPI 1154591030
111 OLD ROAD TO NINE ACRE CORNER
Concord, MA 01742
(978) 369-1113
✔ PECOS✔ Accepts Medicare5.7 mi
Clinical Social Worker
NPI 1891170957
111 OLD RD 9 ACRE COR
Concord, MA 01742
(978) 369-1113
✔ PECOS5.7 mi
Mental Health Counselor
NPI 1245661966
86 BAKER AVENUE EXT STE 100
Concord, MA 01742
(978) 202-4156
✔ PECOS✔ Accepts Medicare5.9 mi
Nurse Practitioner
NPI 1760955785
86 BAKER AVENUE EXT STE 100
Concord, MA 01742
(978) 369-1113
✔ PECOS✔ Accepts Medicare6.1 mi
Nurse Practitioner
NPI 1447096649
86 BAKER AVENUE EXT STE 100
Concord, MA 01742
(781) 388-6236
✔ PECOS✔ Accepts Medicare6.1 mi
Mental Health Counselor
NPI 1396218384
86 BAKER AVENUE EXT STE 100
Concord, MA 01742
(978) 369-1113
✔ PECOS✔ Accepts Medicare6.1 mi
Clinical Psychologist
NPI 1841770906
115 MILL ST
Belmont, MA 02478
(617) 866-2000
✔ PECOS6.3 mi
See all 166 clinicians

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

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 Eliot Community Human Services's NPI number?

The NPI number for Eliot Community Human Services is 1932271632. It was assigned to this organization in the NPPES registry on November 15, 2006. The provider was formerly known as Tri-City Mental Health And Retardation Center.

Where is Eliot Community Human Services located?

Eliot Community Human Services is located at 125 Hartwell Ave, Lexington, MA 02421. The listed phone number is (781) 861-0890.

What is Eliot Community Human Services's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Mental Health (Including Community Mental Health Center), with taxonomy code 261QM0801X.

Is Eliot Community Human Services enrolled in Medicare?

Yes. Eliot Community Human Services is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Eliot Community Human Services?

According to the CMS Revalidation Reassignment List (October 2026 release), 166 clinicians in 6 Medicare specialties reassign their Medicare billing to Eliot Community Human Services. 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 Clinical Social Worker (54), Mental Health Counselor (48) and Nurse Practitioner (40). Of these, 10 practice at this address and 38 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Eliot Community Human Services accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Eliot Community Human Services 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 Eliot Community Human Services was last updated on July 30, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.