OrganizationActive
Castlewood Treatment Center LLC
NPI 1790954410 · Clinic/Center · Fenton, MO
Castlewood Treatment Center LLC is a Clinic/Center organization in Fenton, MO (NPI 1790954410).
Provider details
- NPI number
- 1790954410
- Entity type
- Organization
- Primary specialty
- Clinic/CenterAmbulatory Health Care Facilities
- Parent organization
- Castlewood Treatment Center
- Organization subpart
- Yes
- Authorized official
- Heather Wilhelm, Director of Client Accounts(314) 222-7441
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
1855 Bowles Ave, Suite 210
Fenton, MO 63026
Phone: (636) 779-1430
Fax: (314) 686-4920
Street-level locationGet directions
Mailing address
1855 Bowles Ave Ste 210
Fenton, MO 63026-1900
Other names (DBA / former)
- Doing business as
- Alsana
Registry dates
- Enumerated
- 2008-02-27
- Last updated
- 2023-10-10
- Certified
- 2023-10-10
Frequently asked questions
- What is Castlewood Treatment Center LLC's NPI number?
- Castlewood Treatment Center LLC's National Provider Identifier (NPI) is 1790954410, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Castlewood Treatment Center LLC?
- Castlewood Treatment Center LLC is classified in the NPPES registry as Clinic/Center (Ambulatory Health Care Facilities).
- Where is Castlewood Treatment Center LLC located?
- Castlewood Treatment Center LLC's practice location on file with NPPES is 1855 Bowles Ave, Suite 210, Fenton, MO 63026.
- What is Castlewood Treatment Center LLC's phone number?
- The practice phone number listed in the NPPES registry for Castlewood Treatment Center LLC is (636) 779-1430.
- Who is the authorized official for Castlewood Treatment Center LLC?
- The authorized official listed on Castlewood Treatment Center LLC's NPPES record is Heather Wilhelm, Director of Client Accounts. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Castlewood Treatment Center LLC's NPI active?
- Yes — Castlewood Treatment Center LLC's NPI (1790954410) is active in the NPPES registry as of the last update on 2023-10-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.