Marian House, Inc.
NPI 1124304266 · Substance Use Disorder Rehabilitation Clinic/Center · Baltimore, MD
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marian House, Inc. is a Substance Use Disorder Rehabilitation Clinic/Center organization in Baltimore, MD (NPI 1124304266).
Provider details
- NPI number
- 1124304266
- Entity type
- Organization
- Primary specialty
- Substance Use Disorder Rehabilitation Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Katie Allston, Executive Director(410) 467-4121
Specialties & taxonomies
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
14 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
- 2011-11-02
- Last updated
- 2011-11-02
Frequently asked questions
- What is Marian House, Inc.'s NPI number?
- Marian House, Inc.'s National Provider Identifier (NPI) is 1124304266, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Marian House, Inc.?
- Marian House, Inc. is classified in the NPPES registry as Substance Use Disorder Rehabilitation Clinic/Center (Ambulatory Health Care Facilities).
- Where is Marian House, Inc. located?
- Marian House, Inc.'s practice location on file with NPPES is 949 Gorsuch Ave, Baltimore, MD 21218-3602.
- What is Marian House, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Marian House, Inc. is (410) 467-4121.
- Does Marian House, Inc. accept Medicare?
- Marian House, 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 Marian House, Inc.?
- The authorized official listed on Marian House, Inc.'s NPPES record is Katie Allston, Executive Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Marian House, Inc.'s NPI active?
- Yes — Marian House, Inc.'s NPI (1124304266) is active in the NPPES registry as of the last update on 2011-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.