J. Jeffrey Malatack, M.D.
Pediatrics Physician · Wilmington, DE
J. Jeffrey Malatack, M.D. is a pediatrics physician with a practice address in Wilmington, Delaware, and NPI 1275594855, issued on Mar 31, 2006. Check the license (Delaware C10005998, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- J. Jeffrey Malatack
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License numbers
- C10005998 DE
MD020079E PA
Self-reported in NPPES; status is on the state search - Practice location
- 1600 Rockland Road, Wilmington, DE 19803
- Phone
- (302) 651-4200
- Enumerated
- Mar 31, 2006
- Record last updated
- Dec 28, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (302) 651-4945
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 290 in Delaware → Look up another NPI →
Also registered at 1600 Rockland Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify J. Jeffrey Malatack 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 C10005998Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average pediatrics physician in 2024
36 Medicare Part D claims, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D.
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.
J. Jeffrey Malatack among 290 pediatrics physician records in Delaware
J. Jeffrey Malatack, M.D. is one of 290 pediatrics physician records with a practice address in Delaware. 35% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 64% newer
- In a Medicare fileYes · 35% of these records are
- In the CMS Doctors and Clinicians fileNo · 9% of these records are
- Record last updated2011 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
175 pediatrics physician records list a practice address in Wilmington
They are 175 of the 6,291 NPPES records with a practice address in Wilmington, and 290 pediatrics physician records in Delaware.
All 290 in Delaware → Every provider in Wilmington → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Sidney Bean, MDWilmington, DE 198031124070404
- Howard Borin, MDWilmington, DE 198031285658898
- Sonia Cheng, MDWilmington, DE 198031528088432
- Linda Cochran, PNPWilmington, DE 198031134108863
- George Datto III, MDWilmington, DE 198031104917475
- Allan Dejong, MDWilmington, DE 198031407947765
- M Dupont, MDWilmington, DE 198031609890219
- Matthew Gotthold, M.D.Wilmington, DE 198031912991860
Common questions
What is J. Jeffrey Malatack, M.D.'s NPI number?
J. Jeffrey Malatack, M.D.'s National Provider Identifier (NPI) is 1275594855, issued on Mar 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is J. Jeffrey Malatack, M.D. located?
The NPPES record lists a practice address at 1600 Rockland Road, Wilmington, DE, 19803. Phone: (302) 651-4200. Providers update this record themselves, so call before visiting.
How can I verify J. Jeffrey Malatack, M.D.'s license?
NPPES lists Delaware license number C10005998, 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 J. Jeffrey Malatack, M.D. prescribe under Medicare Part D?
In 2024, J. Jeffrey Malatack, M.D. had 36 Medicare Part D claims; the average among pediatrics physician prescribers was 375. 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.