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MERCURY NEWCO INC
NPI 1174347850
Clinic/Center - Mental Health (Including Community Mental Health Center) in Boston, MA

Active since November 11, 2024
580 HARRISON AVE STE 2B, BOSTON, MA 02118(224) 622-5470 Get Directions Write a Review

NPPES record last updated: January 8, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 8, 2026, Aug 15, 2025, May 23, 2025 and 3 more (6 updates tracked since 2024).

About Mercury Newco Inc NPPES

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

MERCURY NEWCO INC (NPI 1174347850), doing business as Overstory Health, is a healthcare organization registered as a mental health (including community mental health center) in Boston, Massachusetts and active in the NPI registry since November 2024. The organization lists Morgan Matthews, Chief Growth Officer, as its authorized official.

NPPES Registry Identity

NPI1174347850
Entity TypeOrganization
Primary Taxonomy261QM0801X
Legal Business NameMERCURY NEWCO INC
Location Address580 HARRISON AVE STE 2BBoston, MA 02118-2440
Mailing Address580 Harrison Ave Ste 2bBoston, MA 02118-2440
Phone(224) 622-5470
Organization SubpartNo
Authorized OfficialMorgan MatthewsChief Growth Officer · (617) 202-3708
Enumeration DateNovember 11, 2024
Last NPPES UpdateJanuary 8, 20266 updates tracked since enumeration
NPPES CertifiedJanuary 8, 2026
✔ NPI 1174347850 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyClinic/Center · Mental Health (Including Community Mental Health Center)Ambulatory Health Care Facilities
Taxonomy Code261QM0801X
Also ListedClinic/Center · Adult Mental HealthTaxonomy 261QM0850X
Also ListedClinic/Center · Adolescent and Children Mental HealthTaxonomy 261QM0855X
580 HARRISON AVE STE 2B, Boston, MA 02118
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Other Names 3

Doing Business AsOverstory Health
Other NameMercury Newco Inc
Other NameOverstory Health Inc, Fka Mercury Newco Inc

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Harvard Pilgrim Health Care.Insurance ›

Other Providers at the Same Location NPPES

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

MERCURY BEHAVIORAL HEALTH OF MASSACHUSETTS PC
Clinic/Center (Mental Health (Including Community Mental Health Center))
580 HARRISON AVE STE 2B
BOSTON, MA 02118
Suffolk County (224) 622-5470

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 Mercury Newco Inc's NPI number?

The NPI number for Mercury Newco Inc is 1174347850. It was assigned to this organization in the NPPES registry on November 11, 2024. The provider is doing business as Overstory Health. The provider is also known as Overstory Health Inc, FKA Mercury NewCo Inc.

Where is Mercury Newco Inc located?

Mercury Newco Inc is located at 580 Harrison Ave Ste 2B, Boston, MA 02118. The listed phone number is (224) 622-5470.

What is Mercury Newco Inc'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.

What insurance does Mercury Newco Inc accept?

Health plans from Harvard Pilgrim Health Care list Mercury Newco 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 Mercury Newco Inc was last updated on January 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.