DR. GERALD THOMAS MEHALICK (D.O.) – Psychiatry Physician, NPI 1689791097

DR. GERALD THOMAS MEHALICK (D.O.) is a healthcare provider. based in Wilmington, Delaware. specializing in Psychiatry Physician. They hold the professional credentials D.O.. They hold a License No. C2-0005837 (DE). The NPI Number for DR. GERALD THOMAS MEHALICK (D.O.) is 1689791097

Main info

Male
Name
DR. GERALD THOMAS MEHALICK (D.O.)
NPI
1689791097
Phone
(610) 544-5485
Address
500 WEST 10TH ST
Enumeration Date
23 March 2007
Last Update Date
7 March 2023
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience57
Completeness75
Years active:19State licenses:1Digital endpointsOther names

Provider Addresses for DR. GERALD THOMAS MEHALICK (D.O.)

  • 500 WEST 10TH ST

    CONNECTIONS COMMUNITY SUPPORT PROGRAMS, INC.

    WILMINGTON, DE 19801

    Phone: (610) 544-5485

    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 8 Open Payments records for all available years, with a total value of $153.

Total Amount is formed as General ($153) + Research ($0) + Ownership ($0) = $153.

Last reported payment date: 2024-08-21 • Largest payer in this snapshot: Alkermes, Inc. ($29).

Total Amount

$153

General + Research + Ownership

Payments

8

Total payment records

General Amount

$153

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-08-21

Latest reported date

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

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

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2017-02-25

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20070828000166IPsychiatryDETBD
I20170225000277IPsychiatryPATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

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 19801)

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Reviews

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Frequently asked questions

Can I use this page to confirm DR. GERALD THOMAS MEHALICK (D.O.)'s NPI?
Yes. DR. GERALD THOMAS MEHALICK (D.O.) is listed with NPI 1689791097 in the public NPI dataset.
Does CMS list DR. GERALD THOMAS MEHALICK (D.O.) as active?
Yes — DR. GERALD THOMAS MEHALICK (D.O.) is active in the NPI listing used on this page.
What is DR. GERALD THOMAS MEHALICK (D.O.)'s primary classification?
Psychiatry Physician is the headline specialty for DR. GERALD THOMAS MEHALICK (D.O.) here. Clinical services aligned with this taxonomy classification.
Where is DR. GERALD THOMAS MEHALICK (D.O.) based?
DR. GERALD THOMAS MEHALICK (D.O.) is tied to Wilmington, Delaware in the data we show; additional addresses may exist on the full record.
Is the information about DR. GERALD THOMAS MEHALICK (D.O.) up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."

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