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Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.

DR. MARY MADELINE JOHNSON, PH.D

Active Sole Proprietor

DR. MARY MADELINE JOHNSON, PH.D is a Clinical Psychologist healthcare provider located in DUBUQUE, Iowa. NPI 1124162763 is currently active in the NPPES registry. Verify at CMS.

Clinical Psychologist · DUBUQUE, IA

Registration Details

NPI Number
1124162763
Provider Type
Individual
Gender
Female
NPI Issued
Feb 16, 2007 (19.446444747761 yrs)
Last Updated
Sep 11, 2025
Licenses
00568 (IA)
00568 (IA)
Sole Proprietor
Yes

Practice Information

Address
16306 FOREST GATE RD
DUBUQUE, IA, 520019701
Browse IA providers · Browse ZIP 52001
Phone
5635567071
Primary Specialty
Clinical Psychologist
103TC0700X
Additional Specialty
Clinical Psychologist

Other Clinical Psychologist Providers in DUBUQUE, IA

Name Credential NPI
DR. THOMAS R ANDEREGG PH.D. 1518962646
DR. BARBARA ELLEN CHALMERS BARTLETT PH.D. 1366401200
DR. AARON THOMAS SCOTT WHITNEY PH.D. 1003865569
DR. BARBARA SULLIVAN WOODWARD PH.D. 1588706121
KATIE J KOPP PHD 1548441330
DR. BENJAMIN KUNZ PSY.D. 1801165147
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.