Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Maryellen Kopp, APN

Individual provider Nurse Practitioner · NPI 1255451092

Maryellen Kopp, APN is a Nurse Practitioner in Wilmington, Delaware. Qualified in 1986, 40 years ago. Practices with Christiana Care Health Services Inc, a 1,481-clinician group and accepts Medicare assignment. Licensed in Delaware.

Years since qualifying
40
Licensed in
DE
In the registry since
2007
What do these letters mean?
APN — Advanced Practice Nurse
The umbrella title some states use for nurse practitioners and other advanced practice nurses.

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Practice location Address checks out

701 N Clayton St Medical Ofc Bldg 401
Wilmington, DE 19805-3165
Phone: (302) 421-4800
Fax: (302) 421-4189
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence LB0000150 (DE)

Record details

NPI number1255451092
Entity typeIndividual (Type 1)
GenderFemale
Credentials APN
Sole proprietorNo
NPI enumeratedMarch 29, 2007
Last updated in NPPESJuly 8, 2007
Mailing address701 N Clayton St, Medical Office Bldg 401, Wilmington, DE 19805-3165

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 1986 (40 years in practice)
Group practice Christiana Care Health Services Inc — 1481 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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