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William Horvath, PH.D.
NPI 1639375769 · Clinical Psychologist · Lockport, NY
William Horvath, PH.D. is a Clinical Psychologist provider in Lockport, NY (NPI 1639375769).
Provider details
- NPI number
- 1639375769
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 010747 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 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
20 Market St
230 Bewley Bldg.
Lockport, NY 14094-2914
Phone: (716) 625-9550
Street-level locationGet directions
Mailing address
78 Olney Dr
Amherst, NY 14226-3345
Registry dates
- Enumerated
- 2007-06-25
- Last updated
- 2007-07-28
Frequently asked questions
- What is William Horvath's NPI number?
- William Horvath's National Provider Identifier (NPI) is 1639375769, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Horvath's specialty?
- William Horvath is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is William Horvath located?
- William Horvath's practice location on file with NPPES is 20 Market St, Lockport, NY 14094-2914.
- What is William Horvath's phone number?
- The practice phone number listed in the NPPES registry for William Horvath is (716) 625-9550.
- Is William Horvath's NPI active?
- Yes — William Horvath's NPI (1639375769) is active in the NPPES registry as of the last update on 2007-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.