Gerald Thomas Mehalick, D.O.
Psychiatry Physician · Wilmington, DE
Gerald Thomas Mehalick, D.O. is a psychiatry physician with a practice address in Wilmington, Delaware, and NPI 1689791097, issued on Mar 23, 2007. Check the license (Delaware C2-0005837, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Gerald Thomas Mehalick
- Credential
- D.O.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- C2-0005837 DE
Self-reported in NPPES; status is on the state search - Practice location
- 500 West 10TH St, Wilmington, DE 19801
- Phone
- (302) 328-3330
- Enumerated
- Mar 23, 2007
- Record last updated
- Mar 7, 2023
- Fax
- (302) 328-9336
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 162 in Delaware → Look up another NPI →
Also registered at 500 West 10TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Dowling, L.P.C.M.H., C.A.D.C.Mental Health Counselor1881768968
Verify Gerald Thomas Mehalick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
Search for license C2-0005837Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.2 times the Medicare Part D claims of the average psychiatry physician in 2024
4,179 Medicare Part D claims for 67 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Atorvastatin Calcium223 claims
- Omeprazole203 claims
- Olanzapine156 claims
- Metformin Hcl142 claims
- Gabapentin138 claims
- Quetiapine Fumarate136 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $105.95
5 payments; by number, the most common kind was food and beverage; the largest payer was Alkermes, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Gerald Thomas Mehalick among 162 psychiatry physician records in Delaware
Gerald Thomas Mehalick, D.O. is one of 162 psychiatry physician records with a practice address in Delaware. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 38% of them.
- NPI issued2007 · 38% of these records are older, 49% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 45% of these records are
- Record last updated2023 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
83 psychiatry physician records list a practice address in Wilmington
They are 83 of the 6,291 NPPES records with a practice address in Wilmington, and 162 psychiatry physician records in Delaware.
All 162 in Delaware → Every provider in Wilmington → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Nana Berikashvili, MDWilmington, DE 198011831129600
- Wolfgang Berten, MDWilmington, DE 198011932184686
- Adam Bowman, MDWilmington, DE 198011992877203
- Norman Broudy, MDWilmington, DE 198011346220928
- Jose Capiro, M.D.Wilmington, DE 198011881630507
- Sandeep Gupta, MDWilmington, DE 198011972577005
- Lara Jaradat, M.D.Wilmington, DE 198011508839309
- Mariam Mammen, MDWilmington, DE 198011093795759
Common questions
What is Gerald Thomas Mehalick, D.O.'s NPI number?
Gerald Thomas Mehalick, D.O.'s National Provider Identifier (NPI) is 1689791097, issued on Mar 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gerald Thomas Mehalick, D.O. located?
The NPPES record lists a practice address at 500 West 10TH St, Wilmington, DE, 19801. Phone: (302) 328-3330. Providers update this record themselves, so call before visiting.
How can I verify Gerald Thomas Mehalick, D.O.'s license?
NPPES lists Delaware license number C2-0005837, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gerald Thomas Mehalick, D.O. prescribe under Medicare Part D?
In 2024, Gerald Thomas Mehalick, D.O. had 4,179 Medicare Part D claims for 67 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.