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

Individual provider Acute Care Nurse Practitioner · NPI 1376752790

Ellyn Tennyson, CRNP is a Nurse Practitioner in Baltimore, Maryland. Qualified in 2005, 21 years ago. Practices with Shock Trauma Associates PA, a 262-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
21
Licensed in
MD
In the registry since
2007
What do these letters mean?
CRNP — Certified Registered Nurse Practitioner
The title Pennsylvania and some other states use for a nurse practitioner.

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Practice location Address checks out

22 S Greene St
Baltimore, MD 21201-1544
Phone: (410) 328-8870
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Acute Care Nurse Practitioner (primary) Taxonomy 363LA2100X · Licence R089051 (MD)

Record details

NPI number1376752790
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNP
Sole proprietorYes
NPI enumeratedMay 22, 2007
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Shock Trauma Associates Pa — 262 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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