Mercury Newco Inc
NPI 1174347850 · Mental Health Clinic/Center (Including Community Mental Health Center) · Boston, MA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mercury Newco Inc is a Mental Health Clinic/Center (Including Community Mental Health Center) organization in Boston, MA (NPI 1174347850).
Provider details
- NPI number
- 1174347850
- Entity type
- Organization
- Primary specialty
- Mental Health Clinic/Center (Including Community Mental Health Center)Ambulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Morgan Matthews, Chief Growth Officer(617) 202-3708
Specialties & taxonomies
Ambulatory Health Care Facilities
- Adult Mental Health Clinic/Center261QM0850X
Ambulatory Health Care Facilities
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Other name
- Mercury Newco Inc
- Doing business as
- Overstory Health
- Doing business as
- Overstory Health
- Other name
- Overstory Health Inc, Fka Mercury Newco Inc
Registry dates
- Enumerated
- 2024-11-11
- Last updated
- 2026-01-08
- Certified
- 2026-01-08
Frequently asked questions
- What is Mercury Newco Inc's NPI number?
- Mercury Newco Inc's National Provider Identifier (NPI) is 1174347850, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mercury Newco Inc?
- Mercury Newco Inc is classified in the NPPES registry as Mental Health Clinic/Center (Including Community Mental Health Center) (Ambulatory Health Care Facilities).
- Where is Mercury Newco Inc located?
- Mercury Newco Inc's practice location on file with NPPES is 580 Harrison Ave Ste 2b, Boston, MA 02118-2440.
- What is Mercury Newco Inc's phone number?
- The practice phone number listed in the NPPES registry for Mercury Newco Inc is (224) 622-5470.
- Does Mercury Newco Inc accept Medicare?
- Mercury Newco Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Mercury Newco Inc?
- The authorized official listed on Mercury Newco Inc's NPPES record is Morgan Matthews, Chief Growth Officer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mercury Newco Inc's NPI active?
- Yes — Mercury Newco Inc's NPI (1174347850) is active in the NPPES registry as of the last update on 2026-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.