EILEEN PATRICIA SOSA CRNP
NPI 1306863196
Nurse Practitioner - Family in Lancaster, PA
About Eileen Patricia Sosa Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EILEEN PATRICIA SOSA CRNP (NPI 1306863196) is an individual family provider in Lancaster, Pennsylvania, licensed in Pennsylvania (SP005025B) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Lancaster General Hospital, and is a graduate of Other (1998).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Eileen Patricia Sosa Crnp 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 Eileen Sosa reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lancaster, PA 17603
- Reassigned Medicare billing, Pennsylvania enrollment
- 727 clinicians in this Medicare group
Lancaster, PA 17601
- Reassigned Medicare billing, Pennsylvania enrollment
- Also billed through NPI 1538502380 (Pennsylvania)
- 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lancaster General Hospital
Acute Care Hospitals · Lancaster, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 17603 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Eileen Sosa's NPI number?
The NPI number for Eileen Sosa is 1306863196. It was assigned to this individual provider in the NPPES registry on July 16, 2006. The provider is also known as Eileen O'day.
Where is Eileen Sosa located?
Eileen Sosa practices at 175 S. Centerville Rd 1st Fl, Lancaster, PA 17603. The listed phone number is (717) 299-4644.
What is Eileen Sosa's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Eileen Sosa enrolled in Medicare?
Yes. Eileen Sosa 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 Eileen Sosa's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eileen Sosa reassigns Medicare benefits to 2 organizations: Lancaster General Medical Group (Lancaster, PA) and Lancaster General Hospital (Lancaster, 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 Eileen Sosa's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Eileen Sosa accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Eileen Sosa 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 Eileen Sosa affiliated with any hospitals?
According to CMS data, Eileen Sosa is affiliated with Lancaster General Hospital.
When was this NPI record last updated?
The NPPES record for Eileen Sosa was last updated on July 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Eileen Patricia Sosa, CRNP · NPI 1306863196
Family physician in Lancaster, Pennsylvania. Individual provider, active in the CMS NPPES registry since July 16, 2006.
## Identity
- **NPI:** 1306863196 (Entity type: Individual)
- **Enumerated:** July 16, 2006
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** SP005025B (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 175 S. CENTERVILLE RD, 1ST FL, Lancaster, PA 17603-4006
- **Phone:** (717) 299-4644 · **Fax:** (717) 390-2916
## 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): Lancaster General Medical Group (NPI 1174353676, Lancaster, PA); Lancaster General Hospital (NPI 1285654467, Lancaster, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1998
## Record status
- **NPPES last updated:** July 10, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1306863196) · Data from the CMS NPPES public registry.