LAUREN A GRENIER
NPI 1568895605
Counselor - Mental Health in Hingham, MA

Active since August 13, 2013PECOS EnrolledAccepts Medicare Assignment
350 LINCOLN ST STE 2400, HINGHAM, MA 02043(617) 446-3705 Get Directions Write a Review

NPPES record last updated: March 29, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Lauren A Grenier NPPES

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

LAUREN A GRENIER (NPI 1568895605) is an individual mental health provider in Hingham, Massachusetts, licensed in Massachusetts (9576) and active in the NPI registry since August 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2013).

NPPES Registry Identity

NPI1568895605
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameLAUREN A GRENIER
Location Address350 LINCOLN ST STE 2400Hingham, MA 02043-1579
Mailing Address350 Lincoln St Ste 2400Hingham, MA 02043-1579 · (617) 446-3705
Sole ProprietorYes
Medical School CMSOtherGraduated 2013
Enumeration DateAugust 13, 2013
Last NPPES UpdateMarch 29, 2022
NPPES CertifiedMarch 23, 2022
✔ NPI 1568895605 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in MA · 9576
350 LINCOLN ST STE 2400, Hingham, MA 02043

Other Names 1

Former Name (1)Lauren A Dealy

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Lauren A Grenier 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 ID9335682889
PECOS Enrollment IDI20240625001885
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.

Medicare Billing Reassignment

Medicare enrollment records show Lauren Grenier reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Community/Behavioral Health
10-I ROESSLER ROAD, ARBOUR COUNSELING SERVICES
Woburn, MA 01801
  • Reassigned Medicare billing, Massachusetts enrollment
  • 145 clinicians in this Medicare group

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

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychologist (Clinical)
350 LINCOLN ST STE 2400
HINGHAM, MA 02043
Counselor (Mental Health)
350 LINCOLN ST STE 2400
HINGHAM, MA 02043
Nutritionist
350 LINCOLN ST STE 2400
HINGHAM, MA 02043
Clinic/Center (Adult Mental Health)
350 LINCOLN ST STE 2400
HINGHAM, MA 02043
Licensed Practical Nurse
350 LINCOLN ST STE 2400
HINGHAM, MA 02043
Nutritionist
350 LINCOLN ST STE 2400
HINGHAM, MA 02043
Dietitian, Registered
350 LINCOLN ST STE 2400
HINGHAM, MA 02043

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 Lauren Grenier's NPI number?

The NPI number for Lauren Grenier is 1568895605. It was assigned to this individual provider in the NPPES registry on August 13, 2013. The provider is also known as Lauren A Dealy.

Where is Lauren Grenier located?

Lauren Grenier practices at 350 Lincoln St Ste 2400, Hingham, MA 02043. The listed phone number is (617) 446-3705.

What is Lauren Grenier's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Lauren Grenier enrolled in Medicare?

Yes. Lauren Grenier 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.

Which organization bills Medicare for Lauren Grenier's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Grenier reassigns Medicare benefits to Hri Clinics, Inc. (Woburn, MA). The 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 Lauren Grenier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lauren Grenier accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Lauren Grenier 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 Lauren Grenier was last updated on March 29, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.