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

Carol Ann Sims, PHD

Individual provider Adult Development & Aging Psychologist · NPI 1043275845

Carol Ann Sims, PHD is a Clinical Psychologist in Laytonsville, Maryland. Qualified in 1983, 43 years ago. Accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
43
Licensed in
MD
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

21500 Quick Fox Ln
Laytonsville, MD 20882-1340
Phone: (301) 721-8278
Fax: (301) 990-6011
Show map & directions

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

Specialties & licences

Adult Development & Aging Psychologist (primary) Taxonomy 103TA0700X · Licence 01959 (MD)

Record details

NPI number1043275845
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedApril 18, 2006
Last updated in NPPESSeptember 24, 2019
Mailing address21500 Quick Fox Ln, Laytonsville, MD 20882-1340

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1983 (43 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount