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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

HUMAN RELATIONS SERVICE INC
NPI 1750301966
Psychologist - Group Psychotherapy in Wellesley, MA

Active since July 20, 2006
11 CHAPEL PL, WELLESLEY, MA 02481(781) 235-4950(781) 235-7176 Get Directions Write a Review

NPPES record last updated: October 13, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 13, 2026, Sep 11, 2025, Sep 2, 2016 (3 updates tracked since 2016).

About Human Relations Service Inc NPPES

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

HUMAN RELATIONS SERVICE INC (NPI 1750301966) is a healthcare organization registered as a group psychotherapy in Wellesley, Massachusetts and active in the NPI registry since July 2006. The organization lists Lindsay Steinsieck, Executive Director, as its authorized official.

NPPES Registry Identity

NPI1750301966
Entity TypeOrganization
Primary Taxonomy103TP2701X
Legal Business NameHUMAN RELATIONS SERVICE INC
Location Address11 CHAPEL PLWellesley, MA 02481-3130
Mailing Address11 Chapel PlWellesley, MA 02481-3130 · (781) 235-4950 · Fax (781) 235-7176
Phone(781) 235-4950
Fax(781) 235-7176
Organization SubpartNo
Authorized OfficialLindsay SteinsieckExecutive Director · (781) 235-4950
Enumeration DateJuly 20, 2006
Last NPPES UpdateOctober 13, 20263 updates tracked since enumeration
NPPES CertifiedOctober 13, 2026
✔ NPI 1750301966 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · Group PsychotherapyBehavioral Health & Social Service Providers
Taxonomy Code103TP2701X
Definition
A psychologist who specializes in group psychology and group psychotherapy that is an evidenced-based specialty that prepares group leaders to identify and capitalize on developmental and healing possibilities embedded in the interpersonal/intrapersonal functioning of individual group members as well as collectively for the group. Emphasis is placed on the use of group dynamics to assist and treat individual group members. The specialty is applicable to all age groups, children, adolescents, adults and older adults, for a wide variety of conditions and concerns, and in numerous and diverse settings.
11 CHAPEL PL, Wellesley, MA 02481
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Other Identifiers 1

Medicaid1301489MA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care.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)

Human Relations Service Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

14

Medicare enrollment records show 14 clinicians reassign Medicare billing to Human Relations Service Inc, which bills Medicare for the services they deliver. Of these, 6 practice at this address and 13 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 3

Clinical Psychologist7
Clinical Social Worker6
Psychiatry1

Clinicians, nearest first (14)

Robert Greenberg
Clinical Social Worker
NPI 1780348425
11 CHAPEL PL
Wellesley, MA 02481
(617) 564-3217
✔ PECOSSame address
Linda Galper, LICSW
Clinical Social Worker
NPI 1639228422
11 CHAPEL PL
Wellesley, MA 02481
(781) 235-4950
✔ PECOS✔ Accepts MedicareSame address
Eliza Kaplan, MSW
Clinical Social Worker
NPI 1043088255
11 CHAPEL PL
Wellesley, MA 02481
(781) 235-4950
✔ PECOS✔ Accepts MedicareSame address
Laura Matlack, PSY.D.
Clinical Psychologist
NPI 1366698102
11 CHAPEL PL
Wellesley, MA 02481
(781) 235-4950
✔ PECOSSame address
Alexandra Parkinson, PSY.D.
Clinical Psychologist
NPI 1497152508
11 CHAPEL PL
Wellesley, MA 02481
(781) 235-4950
✔ PECOS✔ Accepts MedicareSame address
Lilith Sinha, PSYD, LICSW
Clinical Psychologist
NPI 1952551152
11 CHAPEL PL
Wellesley, MA 02481
(781) 235-4950
✔ PECOSSame address
Marla Rutenberg
Clinical Social Worker
NPI 1669957023
4 COTTON STREET
Newton, MA 02458
(617) 549-0677
✔ PECOS4.7 mi
Jennifer Hull
Clinical Social Worker
NPI 1669911145
154 E CENTRAL ST 201A
Natick, MA 01760
(508) 647-1644
✔ PECOS✔ Accepts Medicare5.9 mi
Dov Fogel, M.D.
Psychiatry
NPI 1508934647
1675 MASSACHUSETTS AVE STE 1B
Cambridge, MA 02138
(617) 547-6776
✔ PECOS✔ Accepts Medicare9.0 mi
Kristen Aberle, PSYD
Clinical Psychologist
NPI 1619308772
1330 BOYLSTON ST UNIT 410
Boston, MA 02215
(312) 519-7463
✔ PECOS✔ Accepts Medicare9.1 mi
Alexandra Nagle, LCSW
Clinical Social Worker
NPI 1073331245
1340 BOYLSTON ST
Boston, MA 02215
(774) 279-2119
✔ PECOS✔ Accepts Medicare9.1 mi
Lainie Murray, PSYD
Clinical Psychologist
NPI 1588391015
259 MASS AVE
Arlington, MA 02474
(978) 364-3399
✔ PECOS9.1 mi
Susan Taylor, PSY.D.
Clinical Psychologist
NPI 1497940548
1164 TRUMAN HWY
Milton, MA 02186
(617) 990-4463
✔ PECOS✔ Accepts Medicare9.3 mi
Allan Wyatt, PSY.D.
Clinical Psychologist
NPI 1669595740
586 MAIN ST
Shrewsbury, MA 01545
(508) 358-2144
✔ PECOS✔ Accepts Medicare23 mi

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 Human Relations Service Inc's NPI number?

The NPI number for Human Relations Service Inc is 1750301966. It was assigned to this organization in the NPPES registry on July 20, 2006.

Where is Human Relations Service Inc located?

Human Relations Service Inc is located at 11 Chapel Pl, Wellesley, MA 02481. The listed phone number is (781) 235-4950.

What is Human Relations Service Inc's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Group Psychotherapy, with taxonomy code 103TP2701X.

Is Human Relations Service Inc enrolled in Medicare?

Yes. Human Relations Service Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Human Relations Service Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 14 clinicians in 3 Medicare specialties reassign their Medicare billing to Human Relations Service Inc. 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 Psychologist (7), Clinical Social Worker (6) and Psychiatry (1). Of these, 6 practice at this address and 13 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Human Relations Service Inc accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Human Relations Service Inc 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 Human Relations Service Inc was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.