Arch Street Center
NPI 1861655920 · Adult Mental Health Clinic/Center · Lancaster, PA
Arch Street Center is a Adult Mental Health Clinic/Center organization in Lancaster, PA (NPI 1861655920).
Provider details
- NPI number
- 1861655920
- Entity type
- Organization
- Primary specialty
- Adult Mental Health Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Susan Lilly, Executive Director(717) 392-8536
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2008-07-08
- Last updated
- 2008-07-08
Frequently asked questions
- What is Arch Street Center's NPI number?
- Arch Street Center's National Provider Identifier (NPI) is 1861655920, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Arch Street Center?
- Arch Street Center is classified in the NPPES registry as Adult Mental Health Clinic/Center (Ambulatory Health Care Facilities).
- Where is Arch Street Center located?
- Arch Street Center's practice location on file with NPPES is 223 W Orange St, Lancaster, PA 17603-3747.
- What is Arch Street Center's phone number?
- The practice phone number listed in the NPPES registry for Arch Street Center is (717) 392-8536.
- Who is the authorized official for Arch Street Center?
- The authorized official listed on Arch Street Center's NPPES record is Susan Lilly, Executive Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Arch Street Center's NPI active?
- Yes — Arch Street Center's NPI (1861655920) is active in the NPPES registry as of the last update on 2008-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.