DR. ERIN ELIZABETH WATSON M.D.
NPI 1659407450
Emergency Medicine in Newark, DE
About Dr. Erin Elizabeth Watson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ERIN ELIZABETH WATSON M.D. (NPI 1659407450) is an individual emergency medicine provider in Newark, Delaware, licensed in Delaware (C10008660) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS and is a graduate of Jefferson Medical College Of Thomas Jefferson University (2005).
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. Erin Elizabeth Watson 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
4Medicare enrollment records show Erin Watson reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Newark, DE 19718
- Reassigned Medicare billing, Delaware and Maryland enrollments
- Also billed through NPI 1871375899 (Maryland)
- 167 clinicians in this Medicare group
Newark, DE 19718
- Reassigned Medicare billing, Delaware enrollment
- 1,531 clinicians in this Medicare group
Newark, DE 19711
- Reassigned Medicare billing, Delaware enrollment
- 18 clinicians in this Medicare group
Newark, DE 19711
- Reassigned Medicare billing, Delaware enrollment
- 9 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 6
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 19718 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
NEWARK, DE 19718
NEWARK, DE 19718
NEWARK, DE 19718
NEWARK, DE 19718
NEWARK, DE 19718
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 Erin Watson's NPI number?
The NPI number for Erin Watson is 1659407450. It was assigned to this individual provider in the NPPES registry on February 26, 2007. The provider is also known as Dr. Erin Elizabeth Cataldi M.D..
Where is Erin Watson located?
Erin Watson practices at 4755 Ogletown Stanton Rd Department Of Emergency Medicine, Newark, DE 19718. The listed phone number is (302) 203-2222.
What is Erin Watson's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Erin Watson enrolled in Medicare?
Yes. Erin Watson 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 Erin Watson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erin Watson reassigns Medicare benefits to 4 organizations: Christiana Care Emergency Physicians LLC (Newark, DE), Christiana Care Health Services, Inc (Newark, DE), Newark Emergency Center (Newark, DE) and Newark Emergency Medical Providers LLC (Newark, 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 Erin Watson'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 Erin Watson was last updated on November 5, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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. Erin Elizabeth Watson, M.D. · NPI 1659407450
Emergency Medicine physician in Newark, Delaware. Individual provider, active in the CMS NPPES registry since February 26, 2007.
## Identity
- **NPI:** 1659407450 (Entity type: Individual)
- **Enumerated:** February 26, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** C10008660 (Delaware)
- **Sole proprietor:** No
## Practice location
- **Address:** 4755 OGLETOWN STANTON RD, DEPARTMENT OF EMERGENCY MEDICINE, Newark, DE 19718-0001
- **Phone:** (302) 203-2222
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Christiana Care Emergency Physicians LLC (NPI 1639956451, Newark, DE); Christiana Care Health Services, Inc (NPI 1104896596, Newark, DE); Newark Emergency Center (NPI 1700864576, Newark, DE); Newark Emergency Medical Providers LLC (NPI 1144940479, Newark, DE) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Jefferson Medical College Of Thomas Jefferson University, class of 2005
## Record status
- **NPPES last updated:** November 5, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1659407450) · Data from the CMS NPPES public registry.