Psychiatrist | 23+ years experience

Dr. Hilary Lyons Oneill, M.D.

5501 Old York Rd, Phila, Pennsylvania, 19141-3018

About Dr. Hilary Lyons Oneill

Dr. Hilary Lyons Oneill is a psychiatrist based in Phila, Pennsylvania with 23 years of experience in Psychiatry. She completed her graduation from Jefferson Medical College Of Thomas Jefferson University in 2003. She accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Hilary Lyons Oneill is MD427679 for Psychiatry in Pennsylvania. Her current practice location is 5501 Old York Rd, Phila. Patients can contact her at 215-456-6255. Dr. Hilary Lyons Oneill, M.D., specializes in Psychiatry and her NPI number (Unique professional ID assigned by NPPES) is 1104048040.

Dr. Hilary Lyons Oneill specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Practice Information

Dr. Hilary Lyons Oneill's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Dr. Hilary Lyons Oneill
Specialization Psychiatry
Credentials M.D.
Accepts Medicare Assignment Yes
Experience 23+ years
Medical School Attended Jefferson Medical College Of Thomas Jefferson University
Graduation Year 2003
Gender Female
Practice Address: 5501 Old York Rd,
Phila, PA - 19141-3018

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

PAC ID 4587792072
Enrollment ID I20100504000181
NPI Number1104048040
NPI Enumeration Date: 02 May, 2007
NPI Last Update On: 15 Jul, 2016

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Dr. Hilary Lyons Oneill are as mentioned below.

License NumberSpecializationStateStatus
MD427679Psychiatry PennsylvaniaPrimary

Group Practice

Group practices are practice of medicine by a group of healthcare professionals who share their premises and other resources. Following list states all the group name with which Dr. Hilary Lyons Oneill is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
Einstein Practice Plan Inc (2769395896)590

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Dr. Hilary Lyons Oneill
5501 Old York Rd,
Phila, PA - 19141-3018
Phone: 215-456-6255

Book an Appointment with Dr. Hilary Lyons Oneill

To schedule an appointment, contact Dr. Hilary Lyons Oneill at 5501 Old York Rd, Phila, Pennsylvania or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Hilary Lyons Oneill:

Dr. Hilary Lyons Oneill is a psychiatrist specializing in Psychiatry. She specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Dr. Hilary Lyons Oneill completed her education (M.D.) from Jefferson Medical College Of Thomas Jefferson University in 2003.

Dr. Hilary Lyons Oneill has approximately 23 years of experience in Psychiatry.

Yes, Dr. Hilary Lyons Oneill accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. Hilary Lyons Oneill is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Dr. Hilary Lyons Oneill practices at 5501 Old York Rd, Phila, Pennsylvania, 19141-3018.

To schedule an appointment with Dr. Hilary Lyons Oneill, please contact the office at 215-456-6255.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.