OrganizationActive
Challenge Unlimited, Inc
NPI 1679723985 · Voluntary or Charitable Agency · Andover, MA
Challenge Unlimited, Inc is a Voluntary or Charitable Agency organization in Andover, MA (NPI 1679723985).
Provider details
- NPI number
- 1679723985
- Entity type
- Organization
- Primary specialty
- Voluntary or Charitable AgencyAgencies
- Organization subpart
- No
- Authorized official
- Mary O'Brien, Executive Director(978) 475-4056
Specialties & taxonomies
Agencies
Profile Score
Detailed profile(87/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs 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
450 Lowell St
Andover, MA 01810-5305
Phone: (978) 475-4056
Fax: (978) 475-4046
Street-level locationGet directions
Mailing address
450 Lowell St
Andover, MA 01810-5305
Registry dates
- Enumerated
- 2008-09-23
- Last updated
- 2008-09-23
Frequently asked questions
- What is Challenge Unlimited, Inc's NPI number?
- Challenge Unlimited, Inc's National Provider Identifier (NPI) is 1679723985, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Challenge Unlimited, Inc?
- Challenge Unlimited, Inc is classified in the NPPES registry as Voluntary or Charitable Agency (Agencies).
- Where is Challenge Unlimited, Inc located?
- Challenge Unlimited, Inc's practice location on file with NPPES is 450 Lowell St, Andover, MA 01810-5305.
- What is Challenge Unlimited, Inc's phone number?
- The practice phone number listed in the NPPES registry for Challenge Unlimited, Inc is (978) 475-4056.
- Who is the authorized official for Challenge Unlimited, Inc?
- The authorized official listed on Challenge Unlimited, Inc's NPPES record is Mary O'Brien, Executive Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Challenge Unlimited, Inc's NPI active?
- Yes — Challenge Unlimited, Inc's NPI (1679723985) is active in the NPPES registry as of the last update on 2008-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.