Marcey Halfway House
NPI 1639155666 · Substance Abuse Rehabilitation Facility · Leonardtown, MD
Marcey Halfway House is a Substance Abuse Rehabilitation Facility organization in Leonardtown, MD (NPI 1639155666).
Provider details
- NPI number
- 1639155666
- Entity type
- Organization
- Primary specialty
- Substance Abuse Rehabilitation FacilityResidential Treatment Facilities
- Organization subpart
- No
- Authorized official
- Larry Harvey, Director(301) 415-4701
- License
- 10754 (MD)
Specialties & taxonomies
Residential Treatment Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Mailing address
Registry dates
- Enumerated
- 2005-12-21
- Last updated
- 2020-08-22
Frequently asked questions
- What is Marcey Halfway House's NPI number?
- Marcey Halfway House's National Provider Identifier (NPI) is 1639155666, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Marcey Halfway House?
- Marcey Halfway House is classified in the NPPES registry as Substance Abuse Rehabilitation Facility (Residential Treatment Facilities).
- Where is Marcey Halfway House located?
- Marcey Halfway House's practice location on file with NPPES is 41550 Doctors Crossing Way, Leonardtown, MD 20650.
- What is Marcey Halfway House's phone number?
- The practice phone number listed in the NPPES registry for Marcey Halfway House is (301) 475-4701.
- Who is the authorized official for Marcey Halfway House?
- The authorized official listed on Marcey Halfway House's NPPES record is Larry Harvey, Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Marcey Halfway House's NPI active?
- Yes — Marcey Halfway House's NPI (1639155666) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.