CYNTHIA A DIEFENBECK (CNS) – Psychiatric/Mental Health Clinical Nurse Specialist, NPI 1578750915

CYNTHIA A DIEFENBECK (CNS) is a healthcare provider. based in Newark, Delaware. specializing in Psychiatric/Mental Health Clinical Nurse Specialist. They hold the professional credentials CNS. They hold a License No. LE-0000143 (DE). The NPI Number for CYNTHIA A DIEFENBECK (CNS) is 1578750915

Main info

Female
Name
CYNTHIA A DIEFENBECK (CNS)
NPI
1578750915
Phone
(302) 224-1400
Address
910 S CHAPEL ST
Enumeration Date
1 October 2007
Last Update Date
15 November 2011
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience55
Completeness75
Years active:18State licenses:1Digital endpointsOther names

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Provider Addresses for CYNTHIA A DIEFENBECK (CNS)

  • 910, South Chapel Street, Yorkshire, Newark, New Castle County, Delaware, 19713, United States

    # 102

    NEWARK, DE 197133467

    Phone: (302) 224-1400

    Fax: (302) 224-1402

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 9 Open Payments records for all available years, with a total value of $248.

Total Amount is formed as General ($248) + Research ($0) + Ownership ($0) = $248.

Last reported payment date: 2024-12-06 • Largest payer in this snapshot: Otsuka America Pharmaceutical, Inc. ($118).

Total Amount

$248

General + Research + Ownership

Payments

9

Total payment records

General Amount

$248

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-06

Latest reported date

Top Companies

Largest payers in this snapshot

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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.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

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 19713)

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Reviews

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Frequently asked questions

Is CYNTHIA A DIEFENBECK (CNS) listed with a National Provider Identifier?
Yes — CYNTHIA A DIEFENBECK (CNS) has NPI 1578750915 on file in the registry.
Would CYNTHIA A DIEFENBECK (CNS) appear as active to a payer?
You can treat CYNTHIA A DIEFENBECK (CNS) as active for directory purposes; confirm clinical privileges separately.
What expertise is attributed to CYNTHIA A DIEFENBECK (CNS)?
CYNTHIA A DIEFENBECK (CNS)'s specialty line reads Psychiatric/Mental Health Clinical Nurse Specialist. Clinical services aligned with this taxonomy classification.
What practice footprint exists for CYNTHIA A DIEFENBECK (CNS)?
Travel planning: use Newark, Delaware as the reference point for CYNTHIA A DIEFENBECK (CNS), then confirm.
What does 2 location(s) imply?
2 practice locations appear in the available data.

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