Provider Profile
Tiffany Zelek, LCSW is a clinical social worker based in Chicago, IL. Tiffany is also listed as specializing in social worker. Medicare claims data shows Tiffany provided 1,044 services to 161 patients. The services billed most often include psychotherapy, 45 minutes, psychiatric services complicated by communication factor, and group psychotherapy. The provider's National Provider Identifier (NPI) is 1447927579.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
333 N MICHIGAN AVE STE 1400
Chicago, IL 60601
Within Clinical Social Worker generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
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1,044 services · 161 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy, 45 minutes | Treatment | 90834 |
455 | More than most peers in Clinical Social Worker |
| Psychiatric services complicated by communication factor | Treatment | 90785 |
277 | More often than most peers in Clinical Social Worker |
| Group psychotherapy | Treatment | 90853 |
146 | As often as other peers in Clinical Social Worker |
| Psychotherapy, 1 hour | Treatment | 90837 |
120 | Less often than most peers in Clinical Social Worker |
| Psychotherapy, 30 minutes | Treatment | 90832 |
35 | Less often than most peers in Clinical Social Worker |
| Psychiatric diagnostic evaluation | Treatment | 90791 |
11 | Less often than most peers in Clinical Social Worker |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Tiffany Zelek is a clinical social worker in Chicago, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Tiffany Zelek is listed at 333 N Michigan Ave Ste 1400, Chicago, IL 60601. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (708) 573-2962. Contact the office directly to confirm availability and scheduling.
NPI registry
Tiffany Zelek's National Provider Identifier is 1447927579. 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
Tiffany Zelek attended Other, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
Tiffany Zelek has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Tiffany Zelek provides treatments such as psychotherapy, 45 minutes and psychiatric services complicated by communication factor. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Tiffany Zelek. If this is you, claiming it is free.
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