Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Marnell Makela Holtgraves, PHD

Individual provider Psychologist · NPI 1114010766

Dr. Marnell Makela Holtgraves, PHD is a Psychologist in New Castle, Indiana. Practices as a sole proprietor. Licensed in Indiana.

Licensed in
IN
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

212 S Main St
New Castle, IN 47362-4215
Phone: (765) 529-5226
Fax: (765) 529-1556
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 20040702A (IN)

Record details

NPI number1114010766
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedOctober 2, 2006
Last updated in NPPESJanuary 7, 2010

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