Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
MRS. DIANA N.A. MANDELL, M.ED L.M.H.C.
Active Sole ProprietorPsychologist · BELLEVUE, WA
Registration Details
- NPI Number
- 1003970047
- Provider Type
- Individual
- Gender
- Female
- NPI Issued
- Dec 21, 2006 (19.37700651698 yrs)
- Last Updated
- Sep 11, 2025
- Licenses
-
LH00003564 (WA)LH00003564 (WA)
- Sole Proprietor
- Yes
Practice Information
- Address
-
2835 112TH AVE SEBELLEVUE, WA, 980047501Browse WA providers · Browse ZIP 98004
- Phone
- 4254514427
- Primary Specialty
-
Psychologist
103T00000X
- Additional Specialty
- Psychologist
Other Psychologist Providers in BELLEVUE, WA
| Name | Credential | NPI |
|---|---|---|
| DR. SIGNE HAROLD WEEDMAN | PHD | 1831173848 |
| DR. BROCK BRANDON WEEDMAN | PSY D | 1558346502 |
| BETHANY ANN O'NEILL | PSY.D. | 1871681981 |
| DR. KATHERINE DENISON KLEIN | PH.D. | 1285708131 |
| DR. RICHARD D. LAWSON | PHD | 1538234737 |
| ELLEN LOUISE BEAUCHAMP | PHD | 1770646762 |
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.