EILEEN WILLIAMS PA
NPI 1487659710
Physician Assistant - Medical in La Crosse, WI

Active since June 14, 2005PECOS EnrolledAccepts Medicare Assignment
1836 SOUTH AVE, LA CROSSE, WI 54601(608) 782-7300 Get Directions Write a Review

NPPES record last updated: June 3, 2015. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Eileen Williams Pa NPPES

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

EILEEN WILLIAMS PA (NPI 1487659710) is an individual medical provider in La Crosse, Wisconsin, licensed in Wisconsin (1546) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS, is affiliated with Gundersen Lutheran Medical Center, and is a graduate of Other (2002).

NPPES Registry Identity

NPI1487659710
Entity TypeIndividualFemale
Primary Taxonomy363AM0700X
Provider Legal NameEILEEN WILLIAMSCredential: PA
Location Address1836 SOUTH AVELa Crosse, WI 54601-5429
Mailing Address1836 South AveLa Crosse, WI 54601-5429 · (608) 782-7300
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateJune 14, 2005
Last NPPES UpdateJune 3, 2015
NPI 1487659710 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AM0700X
License Licensed in WI · 1546
1836 SOUTH AVE, La Crosse, WI 54601

Other Identifiers 3

Medicaid41969100WI
Medicare UPINP78430
Medicare UPIN0713WI

Accepted Insurance

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 Williams Pa 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 ID1557342128
PECOS Enrollment IDI20040528000459
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.

Areas of Expertise CMS Part B claims 4

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
131 services116 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
94 services61 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
29 services25 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
26 services26 patients

Hospital Affiliations CMS Care Compare 2

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

Gundersen Lutheran Medical Center

Acute Care Hospitals · La Crosse, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520087
Location1910 South AveLa Crosse, WI 54601 · La Crosse County
Emergency services Birthing friendly

Gundersen St Josephs Hospital And Clinics

Critical Access Hospitals · Hillsboro, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number521304
Location400 Water AveHillsboro, WI 54634 · Vernon County
Emergency services

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Breast prosthesis, mastectomy bra, without integrated breast prosthesis form, any size, any type L8000
DME-Orthotic Devices · category DF000N
2 suppliers16 claims42 services$33.31 avg. paid by Medicare
Breast prosthesis, silicone or equal, without integral adhesive L8030
DME-Orthotic Devices · category DF000N
2 suppliers11 claims16 services$285.20 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Anesthesiology
1836 SOUTH AVE, GUNDERSEN CLINIC, LTD.
LA CROSSE, WI 54601
Nurse Anesthetist, Certified Registered
1836 SOUTH AVE
LA CROSSE, WI 54601
Psychologist
1836 SOUTH AVE
LA CROSSE, WI 54601
Surgery
1836 SOUTH AVE
LA CROSSE, WI 54601
Nurse Practitioner (Adult Health)
1836 SOUTH AVE
LA CROSSE, WI 54601
Orthopaedic Surgery
1836 SOUTH AVE
LA CROSSE, WI 54601
Registered Nurse (Addiction (Substance Use Disorder))
1836 SOUTH AVE
LA CROSSE, WI 54601
Nurse Practitioner (Family)
1836 SOUTH AVE
LA CROSSE, WI 54601

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 Williams's NPI number?

The NPI number for Eileen Williams is 1487659710. It was assigned to this individual provider in the NPPES registry on June 14, 2005.

Where is Eileen Williams located?

Eileen Williams practices at 1836 South Ave, La Crosse, WI 54601. The listed phone number is (608) 782-7300.

What is Eileen Williams's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Is Eileen Williams enrolled in Medicare?

Yes. Eileen Williams 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.

What insurance does Eileen Williams accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, Group Health Cooperative-SCW, HealthPartners and Medica and 1 other insurer list Eileen Williams 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 Williams affiliated with any hospitals?

According to CMS data, Eileen Williams is affiliated with Gundersen Lutheran Medical Center and Gundersen St Josephs Hospital And Clinics.

When was this NPI record last updated?

The NPPES record for Eileen Williams was last updated on June 3, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.