Mattie Costill LLC
NPI 1427827609 · Professional Counselor · West Chester, PA
Mattie Costill LLC is a Professional Counselor organization in West Chester, PA (NPI 1427827609).
Provider details
- NPI number
- 1427827609
- Entity type
- Organization
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Mattie Costill, Professional Mental Health Counselo(610) 675-6380
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
- 2023-12-28
- Last updated
- 2023-12-28
- Certified
- 2023-12-28
Frequently asked questions
- What is Mattie Costill LLC's NPI number?
- Mattie Costill LLC's National Provider Identifier (NPI) is 1427827609, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mattie Costill LLC?
- Mattie Costill LLC is classified in the NPPES registry as Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Mattie Costill LLC located?
- Mattie Costill LLC's practice location on file with NPPES is 1030 Warren Rd, West Chester, PA 19382-5755.
- What is Mattie Costill LLC's phone number?
- The practice phone number listed in the NPPES registry for Mattie Costill LLC is (610) 675-6380.
- Who is the authorized official for Mattie Costill LLC?
- The authorized official listed on Mattie Costill LLC's NPPES record is Mattie Costill, Professional Mental Health Counselo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mattie Costill LLC's NPI active?
- Yes — Mattie Costill LLC's NPI (1427827609) is active in the NPPES registry as of the last update on 2023-12-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.