WILLIAM J MEDICK PHD
NPI 1669577201
Psychologist in Marquette, MI

Active since September 14, 2006PECOS EnrolledAccepts Medicare Assignment
228 W WASHINGTON ST STE 7, MARQUETTE, MI 49855(734) 692-5855(906) 273-1084 Get Directions Write a Review

NPPES record last updated: April 6, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 6, 2021, Oct 17, 2016 (2 updates tracked since 2016).

About William J Medick Phd NPPES

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

WILLIAM J MEDICK PHD (NPI 1669577201) is an individual psychologist in Marquette, Michigan, licensed in Michigan (6301006254) 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

NPI1669577201
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameWILLIAM J MEDICKCredential: PHD
Location Address228 W WASHINGTON ST STE 7Marquette, MI 49855-4330
Mailing Address228 W Washington St Ste 7Marquette, MI 49855-4330 · (734) 241-3891 · Fax (734) 241-0014
Fax(906) 273-1084
Sole ProprietorYes
Medical School CMSOtherGraduated 1999
Enumeration DateSeptember 14, 2006
Last NPPES UpdateApril 6, 20212 updates tracked since enumeration
NPPES CertifiedApril 6, 2021
✔ NPI 1669577201 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 MI · 6301006254
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.
228 W WASHINGTON ST STE 7, Marquette, MI 49855

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

William J Medick Phd 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 ID3375572852
PECOS Enrollment IDI20100628000928
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 William Medick reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Same address
Clinical
228 W WASHINGTON ST STE 7
Marquette, MI 49855
  • Reassigned Medicare billing, Michigan enrollment
Family Medicine
650 STEWARD ROAD
Monroe, MI 48162
  • Reassigned Medicare billing, Michigan enrollment
  • 59 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

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.
134 services14 patients

Other Providers at the Same Location NPPES 2

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

Psychologist (Clinical)
228 W WASHINGTON ST STE 7
MARQUETTE, MI 49855
Psychologist (Clinical)
228 W WASHINGTON ST STE 7
MARQUETTE, MI 49855

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 Medick's NPI number?

The NPI number for William Medick is 1669577201. It was assigned to this individual provider in the NPPES registry on September 14, 2006.

Where is William Medick located?

William Medick practices at 228 W Washington St Ste 7, Marquette, MI 49855. The listed phone number is (734) 692-5855.

What is William Medick's specialty?

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

Is William Medick enrolled in Medicare?

Yes. William Medick 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 William Medick's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Medick reassigns Medicare benefits to 2 organizations: Up Telehealth, LLC (Marquette, MI) and Mercy Memorial Hospital Corporation (Monroe, MI). 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 William Medick's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Medick accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 2 other insurers list William Medick 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 Medick was last updated on April 6, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.