DR. GREGORY ADAM WITKIN (PHD) – Clinical Neuropsychologist, NPI 1245606920

DR. GREGORY ADAM WITKIN (PHD) is a healthcare provider. based in Rockland, Delaware. specializing in Clinical Neuropsychologist. They hold the professional credentials PHD. They hold a License No. 021232 (NY). The NPI Number for DR. GREGORY ADAM WITKIN (PHD) is 1245606920

Main info

Male
Name
DR. GREGORY ADAM WITKIN (PHD)
NPI
1245606920
Phone
(302) 651-4000
Address
PO BOX 191
Enumeration Date
17 August 2015
Last Update Date
29 November 2017
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness75
Years active:10State licenses:3Digital endpointsOther names

Provider Addresses for DR. GREGORY ADAM WITKIN (PHD)

  • PO BOX 191

    ROCKLAND, DE 197320191

    Phone: (302) 651-4000

    Fax: (302) 651-4945

    Type: Mailing

  • 1600 ROCKLAND RD

    WILMINGTON, DE 198033607

    Phone: (302) 651-4200

    Fax: (646) 754-9538

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 19732)

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Reviews

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Frequently asked questions

How is DR. GREGORY ADAM WITKIN (PHD) identified in CMS data?
CMS-hosted NPPES data lists DR. GREGORY ADAM WITKIN (PHD) with NPI 1245606920.
Is DR. GREGORY ADAM WITKIN (PHD) listed as active for patients and plans?
The listing shows DR. GREGORY ADAM WITKIN (PHD) as active in the NPI system.
What healthcare role does DR. GREGORY ADAM WITKIN (PHD) hold?
Scheduling teams often label DR. GREGORY ADAM WITKIN (PHD) under Clinical Neuropsychologist. Clinical services aligned with this taxonomy classification.
Where should I expect DR. GREGORY ADAM WITKIN (PHD) on a map?
Expect Rockland, Delaware as a primary anchor for DR. GREGORY ADAM WITKIN (PHD) unless the record lists multiple sites.
Is the information about DR. GREGORY ADAM WITKIN (PHD) up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."

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