MICHAEL MORTON-WIEDNER MD
NPI 1649614546
Internal Medicine in Newark, DE
About Michael Morton-wiedner Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL MORTON-WIEDNER MD (NPI 1649614546) is an individual internal medicine provider in Newark, Delaware, licensed in Delaware (C1-0012133) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS and is a graduate of University Of Texas Southwestern Medical School At Dallas (2013).
NPPES Registry Identity
Specialties & Licenses
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
Michael Morton-wiedner 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
4Medicare enrollment records show Michael Morton-wiedner reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Newark, DE 19713
- Reassigned Medicare billing, Delaware enrollment
- Also billed through NPI 1245474329 (Delaware), NPI 1760811681 (Delaware)
- 1,531 clinicians in this Medicare group
Newark, DE 19718
- Reassigned Medicare billing, Delaware and Maryland enrollments
- Also billed through NPI 1871375899 (Maryland)
- 167 clinicians in this Medicare group
Elkton, MD 21921
- Reassigned Medicare billing, Maryland enrollment
- 512 clinicians in this Medicare group
Wilmington, DE 19810
- Reassigned Medicare billing, Delaware enrollment
- 20 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 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
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 Michael Morton-wiedner's NPI number?
The NPI number for Michael Morton-wiedner is 1649614546. It was assigned to this individual provider in the NPPES registry on April 22, 2013.
Where is Michael Morton-wiedner located?
Michael Morton-wiedner practices at 4755 Ogletown Stanton Rd Ste 5a43, Newark, DE 19718. The listed phone number is (302) 623-0188.
What is Michael Morton-wiedner's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Michael Morton-wiedner enrolled in Medicare?
Yes. Michael Morton-wiedner 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 Michael Morton-wiedner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Morton-wiedner reassigns Medicare benefits to 4 organizations: Christiana Care Health Services Inc (Newark, DE), Christiana Care Emergency Physicians LLC (Newark, DE), Union Hospital Of Cecil County, Inc. (Elkton, MD) and Zarek Donohue LLC (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 Michael Morton-wiedner'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 Michael Morton-wiedner was last updated on July 18, 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.
# Michael Morton-Wiedner, MD · NPI 1649614546
Internal Medicine physician in Newark, Delaware. Individual provider, active in the CMS NPPES registry since April 22, 2013.
## Identity
- **NPI:** 1649614546 (Entity type: Individual)
- **Enumerated:** April 22, 2013
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** C1-0012133 (Delaware)
- **Sole proprietor:** No
## Practice location
- **Address:** 4755 OGLETOWN STANTON RD STE 5A43, Newark, DE 19718-2200
- **Phone:** (302) 623-0188
## 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 Health Services Inc (NPI 1952335556, Newark, DE); Christiana Care Emergency Physicians LLC (NPI 1639956451, Newark, DE); Union Hospital Of Cecil County, Inc. (NPI 1407607450, Elkton, MD); Zarek Donohue LLC (NPI 1750552535, Wilmington, DE) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Southwestern Medical School At Dallas, class of 2013
## Record status
- **NPPES last updated:** July 18, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1649614546) · Data from the CMS NPPES public registry.