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DR. GERALD THOMAS MEHALICK D.O.
NPI 1689791097
Psychiatry & Neurology - Psychiatry in Wilmington, DE

Active since March 23, 2007PECOS Enrolled
500 WEST 10TH ST, CONNECTIONS COMMUNITY SUPPORT PROGRAMS, INC., WILMINGTON, DE 19801(302) 328-3330(302) 328-9336 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Gerald Thomas Mehalick D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GERALD THOMAS MEHALICK D.O. (NPI 1689791097) is an individual psychiatry provider in Wilmington, Delaware, licensed in Delaware (C2-0005837) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1689791097
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. GERALD THOMAS MEHALICKCredential: D.O.
Location Address500 WEST 10TH ST, CONNECTIONS COMMUNITY SUPPORT PROGRAMS, INC.Wilmington, DE 19801
Mailing Address500 West 10th St, Connections Community Support Programs, Inc.Wilmington, DE 19801 · (610) 544-5485
Phone(302) 328-3330
Fax(302) 328-9336
Sole ProprietorNo
Enumeration DateMarch 23, 2007
Last NPPES UpdateMarch 7, 2023
✔ NPI 1689791097 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in DE · C2-0005837
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedPsychiatry & Neurology · Addiction MedicineTaxonomy 2084A0401X · License C2-0005837 (DE)
500 WEST 10TH ST, Wilmington, DE 19801
Open in Google Maps ↗

Other Identifiers 1

OtherC2-0005837DE · Professional License

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gerald Thomas Mehalick D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Gerald Mehalick reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Trinity Health Mid-Atlantic Medical Group
16 mi
Family Medicine
1001 BALTIMORE PIKE STE 109
Springfield, PA 19064
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 646 clinicians in this Medicare group
NPI 1740704667 (610) 690-1776

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19801 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$173.08 typical visit price
range $57.12 – $173.08
Typical copayment $43.27 (range $14.28 – $43.27)
Most-billed visit code 99205
Established Patient
$71.19 typical visit price
range $18.36 – $141.05
Typical copayment $17.79 (range $4.59 – $35.26)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JOHN DOWLING L.P.C.M.H., C.A.D.C.
Counselor (Mental Health)
500 WEST 10TH ST, CONNECTIONS COMMUNITY SUPPORT PROGRAMS, INC.
WILMINGTON, DE 19801
New Castle County (302) 736-6135

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gerald Mehalick's NPI number?

The NPI number for Gerald Mehalick is 1689791097. It was assigned to this individual provider in the NPPES registry on March 23, 2007.

Where is Gerald Mehalick located?

Gerald Mehalick practices at 500 West 10th St Connections Community Support Programs, Inc., Wilmington, DE 19801. The listed phone number is (302) 328-3330.

What is Gerald Mehalick's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Gerald Mehalick enrolled in Medicare?

Yes. Gerald Mehalick is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gerald Mehalick's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gerald Mehalick reassigns Medicare benefits to Trinity Health Mid-Atlantic Medical Group (Springfield, PA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gerald Mehalick's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Gerald Mehalick was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.