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

Karen Loos, CRNP

Individual provider Acute Care Nurse Practitioner · NPI 1063977973

Karen Loos, CRNP is a Nurse Practitioner in Philadelphia, Pennsylvania. Qualified in 2011, 15 years ago. Practices with Jefferson University Physicians, a 1,554-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
15
Licensed in
PA
In the registry since
2019
Specialties on file
3
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

1015 Chestnut St
Philadelphia, PA 19107-4316
Phone: (215) 955-4730
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3 Crescent Dr Fl 2, Philadelphia, PA 19112-1016 — (215) 503-7084

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence SP017948 (PA)
Acute Care Nurse Practitioner Taxonomy 363LA2100X · Licence SP017948 (PA)
Gerontology Nurse Practitioner Taxonomy 363LG0600X · Licence SP017948 (PA)

Record details

NPI number1063977973
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNP
Sole proprietorYes
NPI enumeratedFebruary 5, 2019
Last updated in NPPESJune 20, 2019

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Jefferson University Physicians — 1554 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Philadelphia