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Psychiatry

William L. Guy, MD

Sees patients in Milford, MI · Plymouth, MI · Troy, MI · Michigan

Summary

William L. Guy, MD (Psychiatry) is enrolled with Medicare at 3 practice locations in Milford, MI, Plymouth, MI and Troy, MI. NPI 1295748101. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

Call(248) 684‑6400 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about William L. Guy, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

3Practice locations
PsychiatryPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
32Years since medical school (graduated 1994)
University Of Michigan Medical SchoolMedical school
MaleGender (as listed)
Optum Behavioral Care of Colorado PCGroup practice

Quick answers

Where does William L. Guy see patients?
Medicare's clinician data lists 3 practice locations, including Milford, MI, Plymouth, MI and Troy, MI. Call before your visit to confirm the address.
What is William L. Guy's specialty?
Medicare lists Psychiatry as the primary specialty.
Does William L. Guy accept Medicare assignment?
Yes. Medicare's clinician data says William L. Guy accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does William L. Guy offer telehealth?
Medicare's clinician data says William L. Guy offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for William L. Guy?
(248) 684-6400, as listed in official Medicare / NPI Registry data.
What is William L. Guy's NPI number?
1295748101. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where William L. Guy is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists William L. Guy as a member of this group (CMS data updated 2026-10-02).

  • Optum Behavioral Care of Colorado PC197 clinicians in the group

Specialties

Find other Psychiatry doctors in Michigan →

Other psychiatrists in Michigan

Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.

All psychiatrists in Michigan →

Clinician information

CredentialMD
Medical schoolUniversity Of Michigan Medical School
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1295748101
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians