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ELIZABETH MUMMAU PSYD
NPI 1730878844
Clinical Neuropsychologist in Wilmington, DE

Active since May 04, 2023PECOS EnrolledAccepts Medicare Assignment
501 W 14TH ST BLDG 5TH, WILMINGTON, DE 19801(302) 320-2620(302) 320-2683 Get Directions Write a Review

NPPES record last updated: August 15, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 15, 2025, May 4, 2023 (2 updates tracked since 2023).

About Elizabeth Mummau Psyd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ELIZABETH MUMMAU PSYD (NPI 1730878844) is an individual clinical neuropsychologist in Wilmington, Delaware, licensed in Delaware (B1-0011507) and active in the NPI registry since May 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1730878844
Entity TypeIndividualFemale
Primary Taxonomy103G00000X
Provider Legal NameELIZABETH MUMMAUCredential: PSYD
Location Address501 W 14TH ST BLDG 5THWilmington, DE 19801-1013
Mailing Address501 W 14th St Bldg 5thWilmington, DE 19801-1013 · (302) 320-2620 · Fax (302) 320-2683
Phone(302) 320-2620
Fax(302) 320-2683
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateMay 4, 2023
Last NPPES UpdateAugust 15, 20252 updates tracked since enumeration
NPPES CertifiedAugust 15, 2025
✔ NPI 1730878844 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinical NeuropsychologistBehavioral Health & Social Service Providers
Taxonomy Code103G00000X
License✔ Licensed in DE · B1-0011507
Definition
A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.
Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License B1-0011507 (DE)
501 W 14TH ST BLDG 5TH, Wilmington, DE 19801
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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

Elizabeth Mummau Psyd 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.

PECOS PAC ID3274034699
PECOS Enrollment IDI20250828001181
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Elizabeth Mummau reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Christiana Care Health Services, Inc
Same address
Interventional Cardiology
501 W 14TH ST
Wilmington, DE 19801
  • Reassigned Medicare billing, Delaware enrollment
  • 1,531 clinicians in this Medicare group
NPI 1902876394 (302) 733-5600

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. KIMBERLY M DERS AGPCNP-BC
Nurse Practitioner (Primary Care)
501 W 14TH ST BLDG 5TH
WILMINGTON, DE 19801
New Castle County (302) 320-2620

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 Mummau's NPI number?

The NPI number for Elizabeth Mummau is 1730878844. It was assigned to this individual provider in the NPPES registry on May 4, 2023.

Where is Elizabeth Mummau located?

Elizabeth Mummau practices at 501 W 14th St Bldg 5th, Wilmington, DE 19801. The listed phone number is (302) 320-2620.

What is Elizabeth Mummau's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

Is Elizabeth Mummau enrolled in Medicare?

Yes. Elizabeth Mummau 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 organization bills Medicare for Elizabeth Mummau's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Mummau reassigns Medicare benefits to Christiana Care Health Services, Inc (Wilmington, DE). The 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 Mummau'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 Elizabeth Mummau was last updated on August 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.