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

Dain Zylstra, DO

Individual provider Psychiatry Physician · NPI 1538531330

Dain Zylstra, DO is a Psychiatry Physician in Barstow, California. Practices as a sole proprietor and works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2015
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

1841 E Main St
Barstow, CA 92311-3234
Phone: (760) 255-5700
Show map & directions

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

Additional practice locations (1)

  • 400 N Pepper Ave, Colton, CA 92324-1801 — (909) 580-1000

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 20A16351 (CA)

Record details

NPI number1538531330
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedOctober 20, 2015
Last updated in NPPESAugust 10, 2020
Certification dateAugust 10, 2020
Mailing address2940 Inland Empire Blvd, Ontario, CA 91764-4898