DR. ELIZABETH HELEN MUTH MD
NPI 1326292491
Internal Medicine in Newark, DE
About Dr. Elizabeth Helen Muth Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ELIZABETH HELEN MUTH MD (NPI 1326292491) is an individual internal medicine provider in Newark, Delaware, licensed in Delaware (C1-0009429) and active in the NPI registry since November 2008. She is enrolled in Medicare PECOS and is a graduate of Baylor College Of Medicine (2006).
NPPES Registry Identity
Specialties & Licenses 3
Accepted Insurance
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. Elizabeth Helen Muth Md 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 Elizabeth Muth reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Newark, DE 19718
- Reassigned Medicare billing, Delaware enrollment
- Also billed through NPI 1245474329 (Delaware), NPI 1760811681 (Delaware)
- 1,531 clinicians in this Medicare group
Wilmington, DE 19801
- Reassigned Medicare billing, Delaware enrollment
- 28 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 3
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 Elizabeth Muth's NPI number?
The NPI number for Elizabeth Muth is 1326292491. It was assigned to this individual provider in the NPPES registry on November 15, 2008.
Where is Elizabeth Muth located?
Elizabeth Muth practices at 4755 Ogletown Stanton Rd Christiana Hospital, Dept Of Pediatrics, Newark, DE 19718. The listed phone number is (302) 733-4200.
What is Elizabeth Muth's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Elizabeth Muth enrolled in Medicare?
Yes. Elizabeth Muth 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 Elizabeth Muth's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Muth reassigns Medicare benefits to 2 organizations: Christiana Care Health Services, Inc (Newark, DE) and Christianacare Virtual Health Practice PA (Wilmington, 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 Elizabeth Muth's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Elizabeth Muth accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and AmeriHealth Caritas Next list Elizabeth Muth as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Elizabeth Muth was last updated on September 7, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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. Elizabeth Helen Muth, MD · NPI 1326292491
Internal Medicine physician in Newark, Delaware. Individual provider, active in the CMS NPPES registry since November 15, 2008.
## Identity
- **NPI:** 1326292491 (Entity type: Individual)
- **Enumerated:** November 15, 2008
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** C1-0009429 (Delaware)
- **Sole proprietor:** No
## Practice location
- **Address:** 4755 OGLETOWN STANTON RD, CHRISTIANA HOSPITAL, DEPT OF PEDIATRICS, Newark, DE 19718-0001
- **Phone:** (302) 733-4200 · **Fax:** (302) 733-4252
## 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): Christiana Care Health Services, Inc (NPI 1104896596, Newark, DE); Christianacare Virtual Health Practice PA (NPI 1619562410, Wilmington, DE) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Baylor College Of Medicine, class of 2006
## Record status
- **NPPES last updated:** September 7, 2018
---
Source: [NPI Profile](https://npiprofile.com/npi/1326292491) · Data from the CMS NPPES public registry.