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Edit this profileAt a glance
- 1 Commerce Dr, Ste 205, Hattiesburg, MS 39402
About Dr. Datz
Geralyn Datz, PhD is a psychologist based in Hattiesburg, MS. Geralyn is also listed as specializing in psychologist — clinical. According to Medicare claims data, Geralyn cared for 297 Medicare patients across 749 services. The services billed most often include administration of psychological or neuropsychological test by technician, each additional 30 minutes, psychotherapy, 1 hour, and evaluation of psychological test, each additional hour. The provider's National Provider Identifier (NPI) is 1972616076.
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
- (601) 255-1618
- Email not available
Practice Locations
1 COMMERCE DR STE 205
Hattiesburg, MS 39402
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
749 services · 297 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Administration of psychological or neuropsychological test by technician, each additional 30 minutes | Treatment | 96139 |
358 | More often than most peers in Psychologist |
| Psychotherapy, 1 hour | Treatment | 90837 |
121 | Less often than most peers in Psychologist |
| Evaluation of psychological test, each additional hour | Treatment | 96131 |
76 | As often as other peers in Psychologist |
| Psychiatric diagnostic evaluation | Treatment | 90791 |
72 | More often than most peers in Psychologist |
| Evaluation of psychological test, first hour | Treatment | 96130 |
63 | More often than most peers in Psychologist |
| Administration of psychological or neuropsychological test by technician, first 30 minutes | Treatment | 96138 |
59 | 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.
Other psychologists at this location 2
Same specialty, same street address — most likely the same department or group.
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 Hattiesburg 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2004 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. Datz's specialty?
Dr. Datz is a psychologist in Hattiesburg, MS. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Datz?
Dr. Datz is listed at 1 Commerce Dr Ste 205, Hattiesburg, MS 39402. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Datz?
The number on file is (601) 255-1618. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Datz's NPI number?
Dr. Datz's National Provider Identifier is 1972616076. 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
What is Dr. Datz's medical education?
Dr. Datz attended Other, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Datz been practicing?
Dr. Datz has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Datz known for?
According to Medicare billing data, Dr. Datz provides treatments such as administration of psychological or neuropsychological test by technician, each additional 30 minutes and psychotherapy, 1 hour. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Datz confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Datz. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.