NPI age
20 years
Enumerated 2006-01-23
● Active
Type 1 · Individual
Daniel Mark Niederjohn, PH.D.
Niederjohn is 1 of 24 psychologist providers in Woodstock and 1 of 1487 in Georgia.
Primary specialty
Psychologist
Licensed in
GA
1 state
Status
Active
No deactivations on record
Last NPPES update
2007-07-08
Source: monthly bulk 2026-05
Sole proprietor
Not specified
May be part of a larger org
How this provider compares
Across 1487 active psychologist providers in Georgia.
NPI age
20 years
↑ 3 yr above median (17 yr)
State licenses
1 state
6% of peers hold multiple states
Subspecialties
0
18% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-01Enumerated in NPPES
2006
2026
Where they practice
Practice location
8910 Main St
Woodstock, GA 301884916
Mailing address
784 Mitsy Pt
Marietta, GA 300682332
Specialties
-
Psychologist PrimaryA psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a...
Practice context
Part of a multi-provider practice. 17 other active providers share this practice address in NPPES.
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