John J. Ludwicki, MD
Pediatric Adolescent Medicine Physician · Milton, DE
John J. Ludwicki, MD is a pediatric adolescent medicine physician with a practice address in Milton, Delaware, and NPI 1730184938, issued on Jun 15, 2005. Check the license (Delaware C10004942, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- John J. Ludwicki
- Credential
- MD
- Primary taxonomy
- Pediatric Adolescent Medicine Physician 2080A0000X
- License number
- C10004942 DE
Self-reported in NPPES; status is on the state search - Practice location
- 424 Mulberry St, Milton, DE 19968
- Phone
- (302) 684-0561
- Enumerated
- Jun 15, 2005
- Record last updated
- Nov 10, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (302) 684-3563
- Medicaid ID
- 0000854201 DE
- Entity
- Type 1 · individual
8 nearest pediatric adolescent medicine physician records → All 10 in Delaware → Look up another NPI →
Also registered at 424 Mulberry St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maria Childers, MDPediatrics Physician1598857799
- Lauren Griffin-Walls, FNP-BCFamily Nurse Practitioner1881957728
- Nicole MooreFamily Medicine Physician1992457147
- Kelly Phillips, CPNPPediatric Nurse Practitioner1669572848
Verify John J. Ludwicki 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 C10004942Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $180.15
8 payments; by number, the most common kind was food and beverage; the largest payer was Sanofi Pasteur Inc. The 859 providers of this specialty with any payment received $389.79 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.
John J. Ludwicki among 10 pediatric adolescent medicine physician records in Delaware
John J. Ludwicki, MD is one of 10 pediatric adolescent medicine physician records with a practice address in Delaware. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 50% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileNo · 10% of these records are
- Record last updated2011 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080A0000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Adolescent Medicine Physician providers in Delaware
There are 10 pediatric adolescent medicine physician records in Delaware.
All 10 in Delaware → Every provider in Milton → Pediatric Adolescent Medicine Physician nationwide →
The 8 pediatric adolescent medicine physician records with the nearest ZIP codes
- Sarah Garraty, NURSE PRACTITIONERRehoboth Beach, DE 199711083185367
- Teresa Keller, M.D.Milford, DE 199631962400994
- Lena Das, M.D.Dover, DE 199041801871629
- Renee Grob, M.D.Dover, DE 199041376528182
- Neil Izenberg, MDWilmington, DE 198991053401794
- Cynthia Gabrielli, D.O.Wilmington, DE 198081255396545
- Vrunda Patel, MDWilmington, DE 198031154612018
- Ernest Frederick Siebold, D.O.Newark, DE 197161417958463
Common questions
What is John J. Ludwicki, MD's NPI number?
John J. Ludwicki, MD's National Provider Identifier (NPI) is 1730184938, issued on Jun 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John J. Ludwicki, MD located?
The NPPES record lists a practice address at 424 Mulberry St, Milton, DE, 19968. Phone: (302) 684-0561. Providers update this record themselves, so call before visiting.
How can I verify John J. Ludwicki, MD's license?
NPPES lists Delaware license number C10004942, 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.
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.