DR. JOHN J DILLON M.D.
NPI 1033409412
Emergency Medicine in Lewes, DE
About Dr. John J Dillon M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN J DILLON M.D. (NPI 1033409412) is an individual emergency medicine provider in Lewes, Delaware, licensed in Delaware (C1-0010982) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS and is a graduate of Temple University School Of Medicine (2014).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. John J Dillon M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show John Dillon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lewes, DE 19958
- Reassigned Medicare billing, Delaware enrollment
- 36 clinicians in this Medicare group
Dover, DE 19901
- Reassigned Medicare billing, Delaware enrollment
- 142 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19958 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 John Dillon's NPI number?
The NPI number for John Dillon is 1033409412. It was assigned to this individual provider in the NPPES registry on April 19, 2011. The provider is also known as Dr. Jack Dillon M.D..
Where is John Dillon located?
John Dillon practices at 424 Savannah Rd, Lewes, DE 19958. The listed phone number is (302) 654-3554.
What is John Dillon's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is John Dillon enrolled in Medicare?
Yes. John Dillon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for John Dillon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Dillon reassigns Medicare benefits to 2 organizations: Sussex Emergency Associates LLC (Lewes, DE) and Bayhealth Emergency Physicians LLC (Dover, DE). Each 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 John Dillon'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 John Dillon was last updated on April 24, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Dr. John J Dillon, M.D. · NPI 1033409412
Emergency Medicine physician in Lewes, Delaware. Individual provider, active in the CMS NPPES registry since April 19, 2011.
## Identity
- **NPI:** 1033409412 (Entity type: Individual)
- **Enumerated:** April 19, 2011
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** C1-0010982 (Delaware)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 424 SAVANNAH RD, Lewes, DE 19958-1462
- **Phone:** (302) 654-3554
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Sussex Emergency Associates LLC (NPI 1275512105, Lewes, DE); Bayhealth Emergency Physicians LLC (NPI 1073012696, Dover, DE) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Temple University School Of Medicine, class of 2014
## Record status
- **NPPES last updated:** April 24, 2015
---
Source: [NPI Profile](https://npiprofile.com/npi/1033409412) · Data from the CMS NPPES public registry.