Physician Profile
Unclaimed ProfileAbout GUY
William L. Guy, PhD, M.D. practises psychiatry in Southfield, MI. William is a 1994 graduate of University of Michigan Medical School.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Guy?
Dr. Guy is a psychiatry in Southfield, MI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PSYCHIATRY”.
NPI registry
What is Dr. Guy's address?
Dr. Guy is listed at 22170 W 9 MILE RD, Southfield, MI 48034. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Guy?
The number on file is (313) 319-8429. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Guy?
Dr. Guy's National Provider Identifier is 1295748101. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Guy train?
Dr. Guy attended University of Michigan Medical School, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Guy have?
Dr. Guy has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Guy perform?
According to Medicare billing data, Dr. Guy the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Guy's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Guy. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (313) 319-8429
- Email not available
Practice Locations
22170 W 9 MILE RD
Southfield, MI 48034
Procedures Most Often Billed to Medicare
379 services · 136 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
355 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
24 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other psychiatry specialists at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 22 related providers in 3 groups
Other psychiatry specialists in Southfield 6
Same specialty, same city.
Trained at University of Michigan Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1994 at University of Michigan Medical School 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.