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William Mcmath, PH.D.
NPI 1518979350 · Clinical Psychologist · Setauket, NY
William Mcmath, PH.D. is a Clinical Psychologist provider in Setauket, NY (NPI 1518979350).
Provider details
- NPI number
- 1518979350
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 011069 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
150 Main St
Setauket, NY 11733-2835
Phone: (631) 751-5699
Fax: (631) 751-5699
Street-level locationGet directions
Mailing address
150 Main St
Setauket, NY 11733-2835
Registry dates
- Enumerated
- 2006-08-12
- Last updated
- 2007-07-12
Frequently asked questions
- What is William Mcmath's NPI number?
- William Mcmath's National Provider Identifier (NPI) is 1518979350, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Mcmath's specialty?
- William Mcmath is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is William Mcmath located?
- William Mcmath's practice location on file with NPPES is 150 Main St, Setauket, NY 11733-2835.
- What is William Mcmath's phone number?
- The practice phone number listed in the NPPES registry for William Mcmath is (631) 751-5699.
- Is William Mcmath's NPI active?
- Yes — William Mcmath's NPI (1518979350) is active in the NPPES registry as of the last update on 2007-07-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.