KATHLEEN ELISE O'NEILL MD
NPI 1619123270
Obstetrics & Gynecology - Reproductive Endocrinology in Philadelphia, PA
About Kathleen Elise O'neill Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHLEEN ELISE O'NEILL MD (NPI 1619123270) is an individual reproductive endocrinology provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD448985) and active in the NPI registry since August 2008. She is enrolled in Medicare PECOS and is a graduate of University Of Michigan Medical School (2008).
NPPES Registry Identity
Specialties & Licenses 2
Accepted 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
Kathleen Elise O'neill Md 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.
Medicare Billing Reassignments
2Medicare enrollment records show Kathleen O'neill reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Philadelphia, PA 19104
- Reassigned Medicare billing, Pennsylvania enrollment
- 3,488 clinicians in this Medicare group
Parkesburg, PA 19365
- Reassigned Medicare billing, Pennsylvania enrollment
- 215 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
PHILADELPHIA, PA 19104
PHILA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
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 Kathleen O'neill's NPI number?
The NPI number for Kathleen O'neill is 1619123270. It was assigned to this individual provider in the NPPES registry on August 14, 2008.
Where is Kathleen O'neill located?
Kathleen O'neill practices at 3701 Market St 8th Floor, Philadelphia, PA 19104. The listed phone number is (215) 662-3378.
What is Kathleen O'neill's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Reproductive Endocrinology, with taxonomy code 207VE0102X.
Is Kathleen O'neill enrolled in Medicare?
Yes. Kathleen O'neill 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 Kathleen O'neill's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathleen O'neill reassigns Medicare benefits to 2 organizations: University Of Penn-Medical Group (Philadelphia, PA) and Lancaster General Hospital (Parkesburg, 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 Kathleen O'neill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kathleen O'neill accept?
Health plans from Ambetter Health and Ambetter from Buckeye Health Plan list Kathleen O'neill 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 Kathleen O'neill was last updated on October 21, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Kathleen Elise O'neill, MD · NPI 1619123270
Reproductive Endocrinology physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since August 14, 2008.
## Identity
- **NPI:** 1619123270 (Entity type: Individual)
- **Enumerated:** August 14, 2008
- **Primary specialty:** Obstetrics & Gynecology - Reproductive Endocrinology · taxonomy 207VE0102X
- **State license:** MD448985 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 3701 MARKET ST, 8TH FLOOR, Philadelphia, PA 19104-5502
- **Phone:** (215) 662-3378
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): University Of Penn-Medical Group (NPI 1245628353, Philadelphia, PA); Lancaster General Hospital (NPI 1619371812, Parkesburg, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Michigan Medical School, class of 2008
## Record status
- **NPPES last updated:** October 21, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1619123270) · Data from the CMS NPPES public registry.