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

Dr. Evelyn Linda Llewellyn, PSYD

Individual provider Psychologist · NPI 1770646424

Dr. Evelyn Linda Llewellyn, PSYD is a Clinical Psychologist in Darien, Connecticut. Qualified in 1987, 39 years ago. Practices with Mental Health Specialty Group PA, a 679-clinician group and accepts Medicare assignment. Licensed in Connecticut and New York.

Years since qualifying
39
Licensed in
CT, NY
In the registry since
2006
Specialties on file
2
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

6 Musket Ln
Darien, CT 06820-4906
Phone: (203) 912-5719
Fax: (203) 698-1548
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 3416 (CT)
Psychologist Taxonomy 103T00000X · Licence 009378-1 (NY)

Record details

NPI number1770646424
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorYes
NPI enumeratedDecember 17, 2006
Last updated in NPPESAugust 24, 2021
Certification dateAugust 24, 2021

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Group practice Mental Health Specialty Group Pa — 679 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Colleagues at Mental Health Specialty Group PA

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 679 clinicians in the practice; 12 are shown here.

Other providers in Darien