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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MARY CHRISTIAN ROYAL CASTO
NPI 1356248363
Counselor - Mental Health in Bozeman, MT

Active since October 22, 2026
1800 W KOCH ST STE 5, BOZEMAN, MT 59715(406) 414-6007 Get Directions Write a Review

NPPES record added: October 22, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mary Christian Royal Casto NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY CHRISTIAN ROYAL CASTO (NPI 1356248363) is an individual mental health provider in Bozeman, Montana, licensed in Montana (90138) and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1356248363
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameMARY CHRISTIAN ROYAL CASTO
Location Address1800 W KOCH ST STE 5Bozeman, MT 59715-1301
Mailing Address1451 Maiden Spirit StBozeman, MT 59715-7874 · (843) 743-3161
Phone(406) 414-6007
Sole ProprietorNo
Enumeration DateOctober 22, 2026
NPPES CertifiedOctober 22, 2026
✔ NPI 1356248363 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in MT · 90138
1800 W KOCH ST STE 5, Bozeman, MT 59715
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Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JENNA COATS PCLC
Counselor (Mental Health)
1800 W KOCH ST STE 5
BOZEMAN, MT 59715
Gallatin County (970) 443-2733
VARIED SUMMITS CONSULTING
Counselor (Mental Health)
1800 W KOCH ST STE 5
BOZEMAN, MT 59715
Gallatin County (775) 901-2045
HEATHER WEAS
Counselor (Mental Health)
1800 W KOCH ST STE 5
BOZEMAN, MT 59715
Gallatin County (917) 374-4699
ERICA LEIGH BLAIR PCLC
Counselor (Mental Health)
1800 W KOCH ST STE 5
BOZEMAN, MT 59715
Gallatin County (406) 284-1260
ASHLEY E LIVERS LCPC
Counselor (Professional)
1800 W KOCH ST STE 5
BOZEMAN, MT 59715
Gallatin County (406) 219-1206
SIERRA GRACE LEE
Counselor (Mental Health)
1800 W KOCH ST STE 5
BOZEMAN, MT 59715
Gallatin County (406) 219-8055

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Casto's NPI number?

The NPI number for Mary Casto is 1356248363. It was assigned to this individual provider in the NPPES registry on October 22, 2026.

Where is Mary Casto located?

Mary Casto practices at 1800 W Koch St Ste 5, Bozeman, MT 59715. The listed phone number is (406) 414-6007.

What is Mary Casto's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Mary Casto was last updated on October 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.