Provider Profile
Richard R. Trezona, PhD
Unclaimed ProfileAbout Dr. Trezona
Richard R. Trezona, PhD is a psychologist based in Chicago, IL. Medicare claims data shows Richard provided 585 services to 497 patients. The services billed most often include psychiatric diagnostic evaluation and psychotherapy, 30 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (312) 238-4271
- Email not available
Practice Locations
345 E SUPERIOR ST
Chicago, IL 60611
Concerns and Conditions Addressed
Within Psychology (Unspecified) generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Abuse and relationships
Addiction
Anxiety & Phobias
Anxiety and phobias
Behavioral & Emotional
Child & Adolescent
Child and teen issues
Eating & Body Image
Health Psychology
Identity and life stages
Interpersonal & Abuse
Life and social issues
Mindset and personality
Mood and emotions
Mood Disorders
Neurodevelopmental
Personality Disorders
Relationships
Self-Esteem & Identity
Sleep
Sleep issues
Stress & Lifestyle
Thought disorders
Trauma and abuse
Work and career
Procedures & services
Most searched procedures
Addiction support
Alternative formats
Behavioral Programs
Behavioral therapies
Brain-based therapies
Care delivery
Child & Adolescent
Evaluations & Assessments
- Autism Assessment
- Bariatric Surgery Evaluation
- Cognitive and memory testing
- Emotional Support Animal Evaluation
- Spinal Cord Stimulator Psychological Clearance
Evaluations and testing
- Adoption Psychological Evaluation
- Gender-affirming surgery evaluation
- Immigration Psychological Evaluation
- Neuropsychological Testing
Expressive therapies
Family and parenting
Mind-body therapies
Relationship Counseling
Skills training
Specialized therapy
Specialized Treatments
- Biofeedback
- Crisis intervention
- Hypnotherapy
- Ketamine-assisted counseling
- Mindfulness-based stress reduction
- Sleep counseling
Talk therapies
Therapy Modalities
Procedures Most Often Billed to Medicare
585 services · 497 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychiatric diagnostic evaluation | Treatment | 90791 |
302 | More than most peers in Psychologist |
| Psychotherapy, 30 minutes | Treatment | 90832 |
283 | More often than most peers in Psychologist |
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.
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.
Other psychologists in Chicago 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1978 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Psychiatric diagnostic evaluation 8
Providers in IL who bill this service to Medicare most often.
Common questions
What does Richard R. Trezona specialize in?
Richard R. Trezona is a psychologist in Chicago, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Richard R. Trezona located?
Richard R. Trezona is listed at 345 E Superior St, Chicago, IL 60611. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Richard R. Trezona's phone number?
The number on file is (312) 238-4271. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Richard R. Trezona?
Richard R. Trezona's National Provider Identifier is 1811167489. 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 Richard R. Trezona train?
Richard R. Trezona attended Other, graduating in 1978. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Richard R. Trezona have?
Richard R. Trezona has 48 years experience. Calculated from a graduation year of 1978, reported in the CMS National Downloadable File.
CMS public data
What does Richard R. Trezona do most often?
According to Medicare billing data, Richard R. Trezona provides treatments such as psychiatric diagnostic evaluation and psychotherapy, 30 minutes. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Richard R. Trezona's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Richard R. Trezona. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.