Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Mrs. Karen Elizabeth Hollis, RD, LDN, CDE

Individual provider Registered Dietitian · NPI 1649296435

Mrs. Karen Elizabeth Hollis, RD, LDN, CDE is registered under Registered Dietitian OR Nutrition Professional in Easton, Maryland. Qualified in 1979, 47 years ago. Practices with University of Maryland Community Medical Group Inc, a 450-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
47
Licensed in
MD
In the registry since
2006
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.
LDN — Licensed Dietitian Nutritionist
A state-licensed dietitian nutritionist.
CDE — Certified Diabetes Educator
Teaches people to manage diabetes day to day.

See every abbreviation used in this directory →

Practice location Address checks out

219 S Washington St Center For Diabetes And Endocrinology
Easton, MD 21601-2913 Not confirmed with CMS for 13 years — call before visiting
Phone: (410) 822-1000
Fax: (410) 822-5117
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence DO1177 (MD)

Record details

NPI number1649296435
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD , LDN , CDE
Sole proprietorNo
NPI enumeratedJuly 14, 2006
Last updated in NPPESAugust 28, 2013

Medicare enrollment

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

Medicare specialtyREGISTERED DIETITIAN OR NUTRITION PROFESSIONAL
Medical schoolOTHER
Graduated 1979 (47 years in practice)
Group practice University Of Maryland Community Medical Group Inc — 450 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at University of Maryland Community Medical Group Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 450 clinicians in the practice; 12 are shown here.

Other providers in Easton