DR. EVELYN LINDA LLEWELLYN PSY.D.
NPI 1770646424
Psychologist - Clinical in Darien, CT

Active since December 17, 2006PECOS EnrolledAccepts Medicare Assignment
6 MUSKET LN, DARIEN, CT 06820(203) 912-5719(203) 698-1548 Get Directions Write a Review

NPPES record last updated: August 24, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 24, 2021, Mar 19, 2021 (2 updates tracked since 2021).

About Dr. Evelyn Linda Llewellyn Psy.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. EVELYN LINDA LLEWELLYN PSY.D. (NPI 1770646424) is an individual clinical provider in Darien, Connecticut, licensed in Connecticut (3416) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1987).

NPPES Registry Identity

NPI1770646424
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. EVELYN LINDA LLEWELLYNCredential: PSY.D.
Location Address6 MUSKET LNDarien, CT 06820-4906
Mailing Address6 Musket LnDarien, CT 06820-4906 · (203) 912-5719 · Fax (203) 698-1548
Fax(203) 698-1548
Sole ProprietorYes
Medical School CMSOtherGraduated 1987
Enumeration DateDecember 17, 2006
Last NPPES UpdateAugust 24, 20212 updates tracked since enumeration
NPPES CertifiedAugust 24, 2021
NPI 1770646424 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License Licensed in CT · 3416
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
Also ListedPsychologistTaxonomy 103T00000X · License 009378-1 (NY)
6 MUSKET LN, Darien, CT 06820

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Evelyn Linda Llewellyn Psy.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6305900937
PECOS Enrollment IDI20151008001846
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06820 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$183.10 typical visit price
range $60.82 – $183.10
Typical copayment $45.77 (range $15.20 – $45.77)
Most-billed visit code 99205
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Evelyn Llewellyn's NPI number?

The NPI number for Evelyn Llewellyn is 1770646424. It was assigned to this individual provider in the NPPES registry on December 17, 2006.

Where is Evelyn Llewellyn located?

Evelyn Llewellyn practices at 6 Musket Ln, Darien, CT 06820. The listed phone number is (203) 912-5719.

What is Evelyn Llewellyn's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Evelyn Llewellyn enrolled in Medicare?

Yes. Evelyn Llewellyn is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Evelyn Llewellyn accept?

Health plans from Providence Health Plan list Evelyn Llewellyn as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Evelyn Llewellyn was last updated on August 24, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.