Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
DR. JUSTINE ALEXIS MAHLER, PSY.D.
ActiveDR. JUSTINE ALEXIS MAHLER, PSY.D. is a Clinical Psychologist healthcare provider located in COMMACK, New York. NPI 1356219133 is currently active in the NPPES registry. Verify at CMS.
Clinical Psychologist · COMMACK, NY
Registration Details
- NPI Number
- 1356219133
- Provider Type
- Individual
- Gender
- Female
- NPI Issued
- Oct 24, 2025 (0.80162978048795 yrs)
- Last Updated
- Oct 24, 2025
- License
-
P139348 (NY)
Practice Information
- Address
-
283 COMMACK RD STE 210COMMACK, NY, 117253400Browse NY providers · Browse ZIP 11725
- Phone
- 6319015253
- Primary Specialty
-
Clinical Psychologist
103TC0700X
Other Clinical Psychologist Providers in COMMACK, NY
| Name | Credential | NPI |
|---|---|---|
| DR. ALAN DAVID KAPLAN | PSY.D. | 1407851686 |
| DR. KAY M STREIM | PHD | 1992798722 |
| DR. MICHAEL B EBERLIN | PH.D. | 1588648919 |
| DR. SHARON C. LEON | PH.D. | 1760437255 |
| DR. STEPHEN LLOYD KAPLAN | PH.D. | 1649208752 |
| STEPHEN MICHAEL GUIDO | PH.D. | 1588698070 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.