DR. ERIN E WILLIAMS PSY.D.
NPI 1013206887
Psychologist in Burlington, WI

Active since April 01, 2011PECOS EnrolledAccepts Medicare Assignment
116 N DODGE ST STE 5, BURLINGTON, WI 53105(414) 773-4312 Get Directions Write a Review

NPPES record last updated: July 30, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 30, 2026, Jul 21, 2022, Nov 23, 2021 and 3 more (6 updates tracked since 2017).

About Dr. Erin E Williams Psy.d. NPPES

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

DR. ERIN E WILLIAMS PSY.D. (NPI 1013206887) is an individual psychologist in Burlington, Wisconsin, licensed in Wisconsin (3095) and active in the NPI registry since April 2011. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2007).

NPPES Registry Identity

NPI1013206887
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. ERIN E WILLIAMSCredential: PSY.D.
Location Address116 N DODGE ST STE 5Burlington, WI 53105-1963
Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateApril 1, 2011
Last NPPES UpdateJuly 30, 20266 updates tracked since enumeration
NPPES CertifiedJuly 30, 2026
✔ NPI 1013206887 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License✔ Licensed in WI · 3095
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
116 N DODGE ST STE 5, Burlington, WI 53105

Secondary Practice Locations 3

Location 13701 Doty RdWoodstock, IL 60098-7509 · Phone (815) 338-6600
Location 2109 S Jefferson StWoodstock, IL 60098-3465 · Phone (815) 759-7066
Location 3146 E Geneva SqLake Geneva, WI 53147-9694 · Phone (877) 666-7223 · Fax (262) 249-7132

Other Identifiers 1

Medicaid100029361WI

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

Dr. Erin E Williams Psy.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 ID6709014087
PECOS Enrollment IDI20170807000034
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 Reassignment

Medicare enrollment records show Erin Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Obstetrics & Gynecology
8905 W LINCOLN AVE, SUITE 515
West Allis, WI 53227
  • Reassigned Medicare billing, Wisconsin enrollment
  • 4,609 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.

Areas of Expertise CMS Part B claims 2

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.

Psychotherapy, 45 minutes 90834
Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.
167 services32 patients
Psychiatric diagnostic evaluation 90791
A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.
18 services18 patients

Other Providers at the Same Location NPPES

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

Psychiatry & Neurology (Psychiatry)
116 N DODGE ST STE 5
BURLINGTON, WI 53105

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 Erin Williams's NPI number?

The NPI number for Erin Williams is 1013206887. It was assigned to this individual provider in the NPPES registry on April 1, 2011.

Where is Erin Williams located?

Erin Williams practices at 116 N Dodge St Ste 5, Burlington, WI 53105. The listed phone number is (414) 773-4312.

What is Erin Williams's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Erin Williams enrolled in Medicare?

Yes. Erin 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.

Which organization bills Medicare for Erin Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Erin Williams reassigns Medicare benefits to Aurora Medical Group, Inc. (West Allis, WI). The 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 Erin Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Erin Williams accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, HealthPartners, Quartz and UnitedHealthcare list Erin 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.

When was this NPI record last updated?

The NPPES record for Erin Williams was last updated on July 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.