William Hayes, PLPC
NPI 1881840742 · Professional Counselor · Saint Louis, MO
William Hayes, PLPC is a Professional Counselor provider in Saint Louis, MO (NPI 1881840742).
Provider details
- NPI number
- 1881840742
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- PLPC
- Sex
- Male
- Sole proprietor
- No
- License
- 2008002257 (MO)
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
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
- 2008-08-12
- Last updated
- 2008-08-12
Frequently asked questions
- What is William Hayes's NPI number?
- William Hayes's National Provider Identifier (NPI) is 1881840742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Hayes's specialty?
- William Hayes is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is William Hayes located?
- William Hayes's practice location on file with NPPES is 4485 Westminster Pl, Saint Louis, MO 63108-1812.
- What is William Hayes's phone number?
- The practice phone number listed in the NPPES registry for William Hayes is (314) 535-7911.
- Is William Hayes's NPI active?
- Yes — William Hayes's NPI (1881840742) is active in the NPPES registry as of the last update on 2008-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.