IndividualActive
William Mueller
NPI 1043970718 · Counselor · Buffalo, NY
William Mueller is a Counselor provider in Buffalo, NY (NPI 1043970718).
Provider details
- NPI number
- 1043970718
- Entity type
- Individual
- Primary specialty
- CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(55/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% 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
430 Niagara St
Buffalo, NY 14201-1886
Phone: (716) 566-1288
Street-level locationGet directions
Mailing address
55 Floradale Ave
Tonawanda, NY 14150-9017
Registry dates
- Enumerated
- 2021-12-22
- Last updated
- 2021-12-22
- Certified
- 2021-12-22
Frequently asked questions
- What is William Mueller's NPI number?
- William Mueller's National Provider Identifier (NPI) is 1043970718, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Mueller's specialty?
- William Mueller is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).
- Where is William Mueller located?
- William Mueller's practice location on file with NPPES is 430 Niagara St, Buffalo, NY 14201-1886.
- What is William Mueller's phone number?
- The practice phone number listed in the NPPES registry for William Mueller is (716) 566-1288.
- Is William Mueller's NPI active?
- Yes — William Mueller's NPI (1043970718) is active in the NPPES registry as of the last update on 2021-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.