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- 507 Thornhill Dr, Carol Stream, IL 60188
About Dr. Letourneau
Ann M. Letourneau, PsyD is a psychologist based in Carol Stream, IL. Ann is also listed as specializing in psychologist — clinical. According to Medicare claims data, Ann cared for 34 Medicare patients across 341 services. The services billed most often include psychotherapy, 45 minutes and psychotherapy, 30 minutes. The provider's National Provider Identifier (NPI) is 1346775830.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (630) 752-9750
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
507 THORNHILL DR
Carol Stream, IL 60188
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
341 services · 34 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy, 45 minutes | Treatment | 90834 |
289 | More often than most peers in Psychologist |
| Psychotherapy, 30 minutes | Treatment | 90832 |
52 | Less 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.
Other psychologists at this location 3
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 — 26 related providers in 4 groups
Other psychologists in Carol Stream 2
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2015 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Psychotherapy, 45 minutes 8
Providers in IL who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Letourneau?
Dr. Letourneau is a psychologist in Carol Stream, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Letourneau's address?
Dr. Letourneau is listed at 507 Thornhill Dr, Carol Stream, IL 60188. 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. Letourneau?
The number on file is (630) 752-9750. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Letourneau's NPI number?
Dr. Letourneau's National Provider Identifier is 1346775830. 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. Letourneau train?
Dr. Letourneau attended Other, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Letourneau been practicing?
Dr. Letourneau has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Letourneau perform?
According to Medicare billing data, Dr. Letourneau provides treatments such as psychotherapy, 45 minutes and psychotherapy, 30 minutes. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Letourneau confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Letourneau. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.