DR. WARREN H PHILLIPS PH, D.
NPI 1083705917
Psychologist in Minneapolis, MN

Active since September 27, 2006PECOS EnrolledAccepts Medicare Assignment
400 S 4TH ST STE 400, MINNEAPOLIS, MN 55415(970) 201-1774 Get Directions Write a Review

NPPES record last updated: November 20, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 20, 2025, Jan 15, 2021 (2 updates tracked since 2021).

About Dr. Warren H Phillips Ph, D. NPPES

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

DR. WARREN H PHILLIPS PH, D. (NPI 1083705917) is an individual psychologist in Minneapolis, Minnesota, licensed in Iowa (356) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1999).

NPPES Registry Identity

NPI1083705917
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. WARREN H PHILLIPSCredential: PH, D.
Location Address400 S 4TH ST STE 400Minneapolis, MN 55415-1419
Mailing Address400 S 4th St Ste 400Minneapolis, MN 55415-1419 · (970) 201-1774
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateSeptember 27, 2006
Last NPPES UpdateNovember 20, 20252 updates tracked since enumeration
NPPES CertifiedNovember 20, 2025
✔ NPI 1083705917 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
Licenses✔ Licensed in IA · 356✔ Licensed in IA · 00842✔ Licensed in CO · 0006871
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.
Also ListedPsychologist · Cognitive & BehavioralTaxonomy 103TB0200X · License 00842 (IA)
Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License 00842 (IA)
Also ListedPsychologist · Clinical Child & AdolescentTaxonomy 103TC2200X · License 00842 (IA)
Also ListedPsychologist · Intellectual and Developmental DisabilitiesTaxonomy 103TM1800X · License 00842 (IA)
400 S 4TH ST STE 400, Minneapolis, MN 55415

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. Warren H Phillips Ph, 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 ID3971505959
PECOS Enrollment IDI20080512000614
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 Reassignments

2

Medicare enrollment records show Warren Phillips reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Critical Access
640 S 19TH ST
Nevada, IA 50201
  • Reassigned Medicare billing, Iowa enrollment
  • 29 clinicians in this Medicare group
Mental Health (Including Community Mental Health Center)
806 NE LOWELL DR
Ankeny, IA 50021
  • Reassigned Medicare billing, Iowa enrollment
  • 7 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.

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 Warren Phillips's NPI number?

The NPI number for Warren Phillips is 1083705917. It was assigned to this individual provider in the NPPES registry on September 27, 2006.

Where is Warren Phillips located?

Warren Phillips practices at 400 S 4th St Ste 400, Minneapolis, MN 55415. The listed phone number is (970) 201-1774.

What is Warren Phillips's specialty?

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

Is Warren Phillips enrolled in Medicare?

Yes. Warren Phillips 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 Warren Phillips's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Warren Phillips reassigns Medicare benefits to 2 organizations: Story County Hospital (Nevada, IA) and Wr Jacobs Enterprises, LLC (Ankeny, IA). 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 Warren Phillips's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Warren Phillips accept?

Health plans from HealthPartners, Oscar Health, Oscar Insurance Company, Select Health and UnitedHealthcare and 1 other insurer list Warren Phillips 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 Warren Phillips was last updated on November 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.