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DR. HILARY LYONS ONEILL M.D.
NPI 1104048040
Psychiatry & Neurology - Psychiatry in Phila, PA

Active since May 02, 2007PECOS EnrolledAccepts Medicare Assignment
5501 OLD YORK RD, PHILA, PA 19141(215) 456-6255 Get Directions Write a Review

NPPES record last updated: July 15, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Hilary Lyons Oneill M.d. NPPES

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

DR. HILARY LYONS ONEILL M.D. (NPI 1104048040) is an individual psychiatry provider in Phila, Pennsylvania, licensed in Pennsylvania (MD427679) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with Albert Einstein Medical Center, and is a graduate of Jefferson Medical College Of Thomas Jefferson University (2003).

NPPES Registry Identity

NPI1104048040
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. HILARY LYONS ONEILLCredential: M.D.
Location Address5501 OLD YORK RDPhila, PA 19141-3018
Mailing Address5501 Old York RdPhila, PA 19141-3018 · (215) 456-6255
Phone(215) 456-6255
Sole ProprietorNo
Medical School CMSJefferson Medical College Of Thomas Jefferson UniversityGraduated 2003
Enumeration DateMay 2, 2007
Last NPPES UpdateJuly 15, 2016
✔ NPI 1104048040 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in PA · MD427679
Definition
A Psychiatrist 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.
5501 OLD YORK RD, Phila, PA 19141
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Hilary Lyons Oneill M.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 ID4587792072
PECOS Enrollment IDI20100504000181
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Hilary Oneill reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Einstein Practice Plan Inc
Same address
Anatomic Pathology & Clinical Pathology
5501 OLD YORK RD
Phila, PA 19141
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 1,205 clinicians in this Medicare group
NPI 1114970407 (215) 456-6157
Inhospital Physicians Corp
4.9 mi
Internal Medicine
7800 BUSTLETON AVE
Philadelphia, PA 19152
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 53 clinicians in this Medicare group
NPI 1073971750 (215) 722-2300

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
84 services14 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Albert Einstein Medical Center

Acute Care Hospitals · Philadelphia, PA
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number390142
Location5501 Old York RoadPhiladelphia, PA 19141 · Philadelphia County
Emergency services Birthing friendly

Roxborough Memorial Hospital

Acute Care Hospitals · Philadelphia, PA
4/5 CMS rating
OwnershipProprietary
CMS Certification Number390304
Location5800 Ridge AvePhiladelphia, PA 19128 · Philadelphia County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19141 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
$180.99 typical visit price
range $59.88 – $180.99
Typical copayment $45.24 (range $14.97 – $45.24)
Most-billed visit code 99205
Established Patient
$74.47 typical visit price
range $19.30 – $147.29
Typical copayment $18.61 (range $4.82 – $36.82)
Most-billed visit code 99213
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 20

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

KENNETH KLECKNER MD
Emergency Medicine
5501 OLD YORK RD, EINSTEIN MEDICAL CENTER - PHILADELPHIA
PHILADELPHIA, PA 19141
Philadelphia County (215) 456-6679
MS. AMMAN HASSAN MD
Pediatrics
5501 OLD YORK RD
PHILADELPHIA, PA 19141
Philadelphia County (215) 456-3810
TAYLOR NICOLE THOMPSON PA-C
Physician Assistant (Medical)
5501 OLD YORK RD, KORMAN BUILDING SUITE 202
PHILADELPHIA, PA 19141
Philadelphia County (215) 254-2630
STEPHEN RYAN CHEN
Orthopaedic Surgery
5501 OLD YORK RD
PHILADELPHIA, PA 19141
Philadelphia County (215) 456-7890
DR. DHRUV SHARMA MD
Student in an Organized Health Care Education/Training Program
5501 OLD YORK RD
PHILADELPHIA, PA 19141
Philadelphia County (215) 456-7890
TIMOTHY DANIEL GARDNER DO
Student in an Organized Health Care Education/Training Program
5501 OLD YORK RD
PHILADELPHIA, PA 19141
Philadelphia County (215) 456-7890
DR. JONATHAN THOMAS LUCIANI DO
Student in an Organized Health Care Education/Training Program
5501 OLD YORK RD
PHILADELPHIA, PA 19141
Philadelphia County (215) 456-7890
ASHIKA KAPOOR MD
Psychiatry & Neurology (Psychiatry)
5501 OLD YORK RD
PHILA, PA 19141
Philadelphia County (215) 456-8103

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 Hilary Oneill's NPI number?

The NPI number for Hilary Oneill is 1104048040. It was assigned to this individual provider in the NPPES registry on May 2, 2007.

Where is Hilary Oneill located?

Hilary Oneill practices at 5501 Old York Rd, Phila, PA 19141. The listed phone number is (215) 456-6255.

What is Hilary Oneill's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Hilary Oneill enrolled in Medicare?

Yes. Hilary Oneill 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.

Which organizations bill Medicare for Hilary Oneill's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hilary Oneill reassigns Medicare benefits to 2 organizations: Einstein Practice Plan Inc (Phila, PA) and Inhospital Physicians Corp (Philadelphia, PA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Hilary Oneill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Hilary Oneill accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Hilary Oneill 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.

Is Hilary Oneill affiliated with any hospitals?

According to CMS data, Hilary Oneill is affiliated with Albert Einstein Medical Center and Roxborough Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Hilary Oneill was last updated on July 15, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.