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

Dr. Mark Douglas Breithaupt, PHD

Individual provider Psychologist · NPI 1053436337

Dr. Mark Douglas Breithaupt, PHD is a Clinical Psychologist in Wailuku, Hawaii. Qualified in 1999, 27 years ago. Accepts Medicare assignment. Licensed in Hawaii.

Years since qualifying
27
Licensed in
HI
In the registry since
2007
Specialties on file
3
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

2200 Main St Ste 510
Wailuku, HI 96793-1624
Phone: (808) 205-8403
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY 499 (HI)
Psychologist Taxonomy 103T00000X · Licence PSY 499 (HI)
Marriage & Family Therapist Taxonomy 106H00000X · Licence PSY 499 (HI)

Record details

NPI number1053436337
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedMarch 19, 2007
Last updated in NPPESMay 19, 2025
Certification dateMay 19, 2025
Mailing addressPo Box 2632, Wailuku, HI 96793-7632

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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