1. Home
  2. Directory
  3. Iowa
  4. Waterloo
  5. Social Worker
  6. NPI Profile

DR. WILLIAM DRIER PH.D.; LISW
NPI 1023400223
Social Worker in Waterloo, IA

Active since February 24, 2015PECOS EnrolledAccepts Medicare Assignment
3356 KIMBALL AVE, WATERLOO, IA 50702(319) 214-2159 Get Directions Write a Review

NPPES record last updated: November 1, 2017. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 1, 2017, Sep 1, 2017 (2 updates tracked since 2017).

About Dr. William Drier Ph.d.; Lisw NPPES

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

DR. WILLIAM DRIER PH.D.; LISW (NPI 1023400223) is an individual social worker in Waterloo, Iowa, licensed in Iowa (077437) and active in the NPI registry since February 2015. He is enrolled in Medicare PECOS and is a graduate of Other (1984).

NPPES Registry Identity

NPI1023400223
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameDR. WILLIAM DRIERCredential: PH.D.; LISW
Location Address3356 KIMBALL AVEWaterloo, IA 50702-5700
Mailing Address1900 Westchester Rd Apt HWaterloo, IA 50701-4500 · (312) 720-7267
Phone(319) 214-2159
Sole ProprietorYes
Medical School CMSOtherGraduated 1984
Enumeration DateFebruary 24, 2015
Last NPPES UpdateNovember 1, 20172 updates tracked since enumeration
✔ NPI 1023400223 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
Licenses✔ Licensed in IA · 077437✔ Licensed in IL · 150.015.162
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
3356 KIMBALL AVE, Waterloo, IA 50702
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and more.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

Dr. William Drier Ph.d.; Lisw 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 ID8628334315
PECOS Enrollment IDI20171114000449
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

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, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
461 services16 patients

Other Providers at the Same Location NPPES 3

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

RASMUSSEN COUNSELING AND SPIRITUAL DIRECTION INC
Social Worker (Clinical)
3356 KIMBALL AVE
WATERLOO, IA 50702
Black Hawk County (319) 883-4255
MS. MARY EILEEN CRAWFORD MA
Counselor (Addiction (Substance Use Disorder))
3356 KIMBALL AVE
WATERLOO, IA 50702
Black Hawk County (319) 291-6500
RENEW COUNSELING SERVICES, LLC
Counselor (Mental Health)
3356 KIMBALL AVE, SUITE 3
WATERLOO, IA 50702
Black Hawk County (319) 464-2940

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 William Drier's NPI number?

The NPI number for William Drier is 1023400223. It was assigned to this individual provider in the NPPES registry on February 24, 2015.

Where is William Drier located?

William Drier practices at 3356 Kimball Ave, Waterloo, IA 50702. The listed phone number is (319) 214-2159.

What is William Drier's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is William Drier enrolled in Medicare?

Yes. William Drier 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 William Drier accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from NH Healthy Families and Ambetter from Sunflower Health Plan and 2 other insurers list William Drier 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 William Drier was last updated on November 1, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.