SIOBHAN DONNELLY PSY.D.
NPI 1669888392
Psychologist - Clinical in Ellicott City, MD

Active since July 02, 2014Opted out of Medicare · through Nov 4, 2026
5116 DORSEY HALL DR STE B, ELLICOTT CITY, MD 21042(410) 995-8274 Get Directions Write a Review

NPPES record last updated: February 20, 2019. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Siobhan Donnelly Psy.d. NPPES

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

SIOBHAN DONNELLY PSY.D. (NPI 1669888392) is an individual clinical provider in Ellicott City, Maryland, licensed in New York (019370) and active in the NPI registry since July 2014. She has opted out of Medicare through November 4, 2026 and remains eligible to order and refer and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1669888392
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameSIOBHAN DONNELLYCredential: PSY.D.
Location Address5116 DORSEY HALL DR STE BEllicott City, MD 21042-7877
Mailing Address5116 Dorsey Hall Dr Ste BEllicott City, MD 21042-7877 · (917) 584-5702
Sole ProprietorYes
Enumeration DateJuly 2, 2014
Last NPPES UpdateFebruary 20, 2019
NPI 1669888392 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License Licensed in NY · 019370
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.

5116 DORSEY HALL DR STE B, Ellicott City, MD 21042

Secondary Practice Locations 3

Location 1276 5th Ave, Suite 1101New York, NY 10001-4509 · Phone (212) 683-3339 ext. 149
Location 2519 8th Ave Rm 9New York, NY 10018-4582 · Phone (212) 683-3339 ext. 149
Location 31407 Eutaw Pl Apt 4Baltimore, MD 21217-4048 · Phone (917) 584-5702

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Opted out of Medicare

Siobhan Donnelly Psy.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from November 4, 2020 through November 4, 2026.

Opt-Out Effective DateNovember 4, 2020
Opt-Out In Effect ThroughNovember 4, 2026Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21042 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
$183.44 typical visit price
range $60.73 – $183.44
Typical copayment $45.86 (range $15.18 – $45.86)
Most-billed visit code 99205
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
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.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Counselor (Mental Health)
5116 DORSEY HALL DR STE B
ELLICOTT CITY, MD 21042
Psychologist
5116 DORSEY HALL DR STE B
ELLICOTT CITY, MD 21042
Counselor
5116 DORSEY HALL DR STE B
ELLICOTT CITY, MD 21042
Counselor (Professional)
5116 DORSEY HALL DR STE B
ELLICOTT CITY, MD 21042

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 Siobhan Donnelly's NPI number?

The NPI number for Siobhan Donnelly is 1669888392. It was assigned to this individual provider in the NPPES registry on July 2, 2014.

Where is Siobhan Donnelly located?

Siobhan Donnelly practices at 5116 Dorsey Hall Dr Ste B, Ellicott City, MD 21042. The listed phone number is (410) 995-8274.

What is Siobhan Donnelly's specialty?

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

Is Siobhan Donnelly enrolled in Medicare?

No. Siobhan Donnelly has opted out of Medicare through November 4, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Siobhan Donnelly was last updated on February 20, 2019. NPI Profile syncs with the weekly NPPES data releases published by CMS.