Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John Gary Grow, PH.D.
Clinical Psychologist in Havre, MT · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1992968366
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Registry record
Entity type Individual (Type 1)
Name Dr. John Gary Grow
Credential PH.D.
Sex Male
Practice address 20 13th St W, Havre, MT, 59501
Phone (406) 265-7831
Enumeration date Jul 7, 2008
Last updated in NPPES Oct 9, 2025
Taxonomy & licenses
103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 397 (MT) Primary
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for John Grow?
The National Provider Identifier (NPI) for John Grow is 1992968366, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Grow practice?
The practice location on file with NPPES is in Havre, MT. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Thomas Booth Family Medicine Physician · Havre, MT NPI 1437121993 Kent Rosengren Clinical Psychologist · Havre, MT NPI 1457323941 John Pike Orthopaedic Surgery Physician · Havre, MT NPI 1104898618 Northern Montana Hospital Community/Retail Pharmacy · Havre, MT NPI 1356314132 Northern Montana Hospital Rural Health Clinic/Center · Havre, MT NPI 1669445490 Dale Herd Surgical Physician Assistant · Havre, MT NPI 1437118916 Mark Ward Internal Medicine Physician · Havre, MT NPI 1538122544 Mark Jamieson Physician Assistant · Havre, MT NPI 1609816867
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-10-09.