Registry data as of Aug 27, 2026

William Hartwig, PH.D.

Clinical Neuropsychologist · Poughkeepsie, NY

William Hartwig, PH.D. is a clinical neuropsychologist with a practice address in Poughkeepsie, New York, and NPI 1770502346, issued on Jul 18, 2006. Check the license (New York 006984, as entered in NPPES) with the New York board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1770502346
Name
William Hartwig
Credential
PH.D.
Primary taxonomy
Clinical Neuropsychologist 103G00000X
License number
006984 NY
Self-reported in NPPES; status is on the state search
Practice location
12 Davis Ave, Poughkeepsie, NY 12603
Phone
(845) 471-8175
Enumerated
Jul 18, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 12 Davis Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Corazon Flores, DDSDentist1679629125
  2. Richard Fost, PH.D.Clinical Psychologist1780624197
  3. Joel Gatchalian, DDSDentist1609053321
  4. Theodore Gross, DDSDentist1770639213
  5. Lubna Somjee, PH.D.Clinical Psychologist1982713590

Verify William Hartwig in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 006984
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Clinical Neuropsychologist providers in New York

There are 483 clinical neuropsychologist records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other clinical neuropsychologist records in New York

  1. Laurence Abelove, PH.D.Lynbrook, NY1013059310
  2. Judith Adamo, PH.D.Armonk, NY1780044479
  3. Heather Adams, PHDRochester, NY1851314322
  4. Susan Adler, PSY.D.,ABSNPRye Brook, NY1558391318
  5. Karin Alterescu, PH.D.Staten Island, NY1366896979
  6. Bridget Amatore, PH.D.New York, NY1487654372
  7. Melissa Angiel, PH. D.East Hampton, NY1821268988
  8. Seth Apter, PH.D.New York, NY1194871335
  9. Kayla Arleo, PHDManhasset, NY1174181382
  10. Stephanie Assuras, PHDNew York, NY1184938821

Common questions

What is William Hartwig, PH.D.'s NPI number?

William Hartwig, PH.D.'s National Provider Identifier (NPI) is 1770502346, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Hartwig, PH.D. located?

The NPPES record lists a practice address at 12 Davis Ave, Poughkeepsie, NY, 12603. Phone: (845) 471-8175. Providers update this record themselves, so call before visiting.

How can I verify William Hartwig, PH.D.'s license?

NPPES lists New York license number 006984, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.