Dr. Marielle Kaualani Onstott, PHD
Dr. Marielle Kaualani Onstott, PHD is a Mental Health Counselor in Littleton, Colorado. Registered with an NPI since 2026.
- In the registry since
- 2026
What do these letters mean?
- PHD — Doctor of Philosophy
- A research doctorate. In healthcare it usually sits alongside a clinical licence.
Practice location Address checks out
5554 S Prince StLittleton, CO 80120-1149
Phone: (303) 730-8858
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Mental Health Counselor (primary) | Taxonomy 101YM0800X |
|---|
Record details
| NPI number | 1528977436 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Female |
| Credentials | PHD |
| Sole proprietor | No |
| NPI enumerated | September 4, 2026 |
| Last updated in NPPES | September 4, 2026 |
| Certification date | September 4, 2026 |
Other providers in Littleton
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Kaitlyn Alyse Northrup
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Michelle O'Neil, LPC
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Lindsay Olsh, MSW, NLC
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Krista Olson
5500 S Sycamore St, Littleton, CO 80120-8201 · (303) 797-9440
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Catherine Pace, LPC
5554 S Prince St, Littleton, CO 80120-1149 · (303) 730-8858
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Dr. Jessica Young Pae, PSYD
7921 Southpark Plz Ste 204, Littleton, CO 80120-5630 · (720) 489-8555
-
Angela Rebecca Pappas, MA
5500 S Sycamore St, Littleton, CO 80120-8201 · (720) 874-3385
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Natalie Marie Parker
6509 S Santa Fe Dr, Littleton, CO 80120-2910 · (303) 730-8858