William Hartwig, PH.D.
NPI 1770502346 · Clinical Psychologist · Poughkeepsie, NY
William Hartwig, PH.D. is a Clinical Psychologist provider in Poughkeepsie, NY (NPI 1770502346).
Provider details
- NPI number
- 1770502346
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 006984 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
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
Mailing address
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2017-07-24
Frequently asked questions
- What is William Hartwig's NPI number?
- William Hartwig's National Provider Identifier (NPI) is 1770502346, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Hartwig's specialty?
- William Hartwig is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is William Hartwig located?
- William Hartwig's practice location on file with NPPES is 12 Davis Ave, Poughkeepsie, NY 12603-2408.
- What is William Hartwig's phone number?
- The practice phone number listed in the NPPES registry for William Hartwig is (845) 471-8175.
- Is William Hartwig's NPI active?
- Yes — William Hartwig's NPI (1770502346) is active in the NPPES registry as of the last update on 2017-07-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.