Are you Dr. Hahn? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 365 Freeport St, New Kensington, PA 15068
About Dr. Hahn
William O. Hahn, PhD is a psychologist practicing in New Kensington, PA. William trained at University of Pittsburgh School of Medicine, graduating in 1984. William is also listed as specializing in psychologist — clinical. Medicare claims data shows William provided 179 services to 167 patients. The services billed most often include psychiatric diagnostic evaluation and psychotherapy, 30 minutes. This provider record is associated with NPI 1568426765.
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
- (724) 337-0066
- Email not available
Practice Locations
365 FREEPORT ST
New Kensington, PA 15068
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
- Gaslighting and manipulation
Addiction
Anxiety & Phobias
Anxiety and phobias
Behavioral & Emotional
Child & Adolescent
- Child behavioral problems
Child and teen issues
- School refusal
- Teen depression
Eating & Body Image
Health Psychology
Identity and life stages
Interpersonal & Abuse
Life and social issues
- Caregiver stress for aging parents
- Loneliness and Social Isolation
Mindset and personality
Mood and emotions
- Overthinking and Rumination
- Seasonal affective disorder
Mood Disorders
- Bipolar disorder
- Postpartum Mood Issues
Neurodevelopmental
- Autism
- Reading and Spelling Difficulties
Personality Disorders
Relationships
- People Pleasing and Codependency
Self-Esteem & Identity
Sleep
Sleep issues
- Chronic Nightmares
Stress & Lifestyle
Thought disorders
- Schizoaffective disorder
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
- Guided Imagery and Visualization
Relationship Counseling
Skills training
- Coping Skills Training
- Social 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
179 services · 167 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychiatric diagnostic evaluation | Treatment | 90791 |
129 | More often than most peers in Psychologist |
| Psychotherapy, 30 minutes | Treatment | 90832 |
50 | 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.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Class of 1984 at University of Pittsburgh School of Medicine 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Psychiatric diagnostic evaluation 8
Providers in PA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Hahn?
Dr. Hahn is a psychologist in New Kensington, PA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Hahn's address?
Dr. Hahn is listed at 365 Freeport St, New Kensington, PA 15068. 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. Hahn?
The number on file is (724) 337-0066. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Hahn?
Dr. Hahn's National Provider Identifier is 1568426765. 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. Hahn train?
Dr. Hahn attended University of Pittsburgh School of Medicine, graduating in 1984. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Hahn have?
Dr. Hahn has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Hahn perform?
According to Medicare billing data, Dr. Hahn 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 Dr. Hahn's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hahn. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.