Doctor profile · Federal record
Dr. Geralyn Datz, PHD
Health Psychologist (CMS: Clinical Psychologist) · Clinical Psychologist · Clinical Psychologist · Health Psychologist · Hattiesburg, MS
- NPI 1972616076
- Accepts Medicare
- 22 yrs in practice
- Licensed in 2 states
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1 Commerce Dr, Ste 205
Hattiesburg, MS 394021499
(601) 255-1618
fax (601) 255-1619 - Mailing address
-
Po Box 1614
Hattiesburg, MS 394031614
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- November 30, 2011
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 103TH0004X — NUCC code
- State licenses (3)
- Mississippi #45-736 · Mississippi #45736 · Louisiana #1140
- Medicaid (2)
- AL #009933077 · MS #06036275
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1972616076. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,309
Distinct HCPCS
8
Medicare allowed
$71,688
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
96139 |
Administration of psychological or neuropsychological test by technician, each additional 30 minutes | 802 | 91 | $29 | |
96138 |
Administration of psychological or neuropsychological test by technician, first 30 minutes | 110 | 91 | $29 | |
90791 |
Psychiatric diagnostic evaluation | 109 | 89 | $133 | |
96131 |
Evaluation of psychological test, each additional hour | 87 | 77 | $82 | |
90837 |
Psychotherapy, 1 hour | 82 | 14 | $127 | |
96130 |
Evaluation of psychological test, first hour | 81 | 79 | $112 | |
96133 |
Evaluation of neuropsychological test, each additional hour | 24 | 14 | $92 | |
96132 |
Evaluation of neuropsychological test, first hour | 14 | 14 | $121 |
In context: peer comparison
Among 1 peers in Hattiesburg Health Psychologist, average services per provider: 163. This provider delivers 8.0× the peer median.Frequently asked questions
What is Dr. Geralyn Datz's medical specialty?
Dr. Geralyn Datz practices Health Psychologist in Hattiesburg, MS.
Where does Dr. Geralyn Datz practice?
Dr. Geralyn Datz practices at 1 Commerce Dr, Hattiesburg, MS 394021499. Office phone: 6012551618.
What is Dr. Geralyn Datz's NPI?
Dr. Geralyn Datz's National Provider Identifier (NPI) is 1972616076, issued by NPPES.
Does Dr. Geralyn Datz accept Medicare assignment?
Yes. Dr. Geralyn Datz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Geralyn Datz commonly perform?
Top Medicare-reported procedures in 2023: Administration of psychological or neuropsychological test by technician (HCPCS 96139); Administration of psychological or neuropsychological test by technician (HCPCS 96138); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.