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

Mariah Herring, OTD, OTR/L

Individual provider Occupational Therapist · NPI 1790654770

Mariah Herring, OTD, OTR/L is an Occupational Therapist in Williston, North Dakota. Licensed in North Dakota. Registered with an NPI since 2025.

Licensed in
ND
In the registry since
2025
What do these letters mean?
OTD — Doctor of Occupational Therapy
The doctoral degree in occupational therapy.
OTR/L — Occupational Therapist, Registered and Licensed
An occupational therapist who is both nationally registered and state licensed.

See every abbreviation used in this directory →

Practice location Address checks out

221 University Ave Ste 203
Williston, ND 58801-5618
Phone: (701) 580-8788
Fax: (701) 609-5231
Show map & directions

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

Specialties & licences

Occupational Therapist (primary) Taxonomy 225X00000X · Licence 2251 (ND)

Record details

NPI number1790654770
Entity typeIndividual (Type 1)
GenderFemale
Credentials OTD , OTR/L
Sole proprietorNo
NPI enumeratedOctober 30, 2025
Last updated in NPPESOctober 30, 2025
Certification dateOctober 30, 2025

Other providers in Williston