Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

EILEEN PATRICIA SOSA CRNP
NPI 1306863196
Nurse Practitioner - Family in Lancaster, PA

Active since July 16, 2006PECOS EnrolledAccepts Medicare Assignment
175 S. CENTERVILLE RD, 1ST FL, LANCASTER, PA 17603(717) 299-4644(717) 390-2916 Get Directions Write a Review

NPPES record last updated: July 10, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 10, 2026, Mar 19, 2025, May 14, 2020 and 1 more (4 updates tracked since 2016).

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

NPI1306863196
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameEILEEN PATRICIA SOSACredential: CRNP
Location Address175 S. CENTERVILLE RD, 1ST FLLancaster, PA 17603-4006
Mailing Address175 S. Centerville Rd, 1st FlLancaster, PA 17603-4006 · (717) 299-4644 · Fax (717) 390-2916
Fax(717) 390-2916
Sole ProprietorNo
Medical School CMSOtherGraduated 1998
Enumeration DateJuly 16, 2006
Last NPPES UpdateJuly 10, 20264 updates tracked since enumeration
NPPES CertifiedJuly 10, 2026
NPI 1306863196 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in PA · SP005025B
175 S. CENTERVILLE RD, Lancaster, PA 17603

Other Names 1

Former Name (1)Eileen O'day

Medicare Participation & PECOS CMS

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

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.

PECOS PAC ID1951200559
PECOS Enrollment IDI20040102000493
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.

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, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390100
Location555 North Duke StreetLancaster, PA 17602 · Lancaster County
Emergency services Birthing friendly

Physician 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.

New Patient
$84.88 typical visit price
range $54.64 – $166.87
Typical copayment $21.22 (range $13.66 – $41.71)
Most-billed visit code 99203
Established Patient
$96.82 typical visit price
range $17.33 – $135.84
Typical copayment $24.20 (range $4.33 – $33.96)
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.

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.

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 with the weekly NPPES data releases published by CMS.