Physician Profile
Unclaimed ProfileAbout Al Williams
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Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (312) 721-2471
- Email not available
Practice Locations
8407 S CONSTANCE AVE
Chicago, IL 60617
Procedures Most Often Billed to Medicare
41 services · 15 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Psychotherapy, 45 minutes | Treatment | 90834 |
41 |
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 mental health counselors at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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 — 16 related providers in 2 groups
Other mental health counselors in Chicago 8
Same specialty, same city.
Also performs Psychotherapy, 45 minutes 8
Providers in IL who bill this service to Medicare most often.
Common questions
What is Dr. Williams's specialty?
Dr. Williams is a mental health counselor in Chicago, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Mental Health Counselor”.
NPI registry
Where can I find Dr. Williams?
Dr. Williams is listed at 8407 S CONSTANCE AVE, Chicago, IL 60617. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Williams?
The number on file is (312) 721-2471. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Williams?
Dr. Williams's National Provider Identifier is 1578076899. 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
How much experience does Dr. Williams have?
Dr. Williams has 9+ years experience. Registered with an NPI since 2017. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What is Dr. Williams known for?
According to Medicare billing data, Dr. Williams provides treatments such as psychotherapy, 45 minutes. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Williams's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Williams. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.