John Hamilton, PhD
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2011
- Practice locations
- 2
- Practice address
- 400 15th Ave S Suite 205 Suite 205, Great Falls, MT 59405-4375
- Practice phone
- Call (406) 455-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Benefis Medical Group
Behavioral health practice · Great Falls, Montana
Find John Hamilton's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
John Hamilton is a psychologist in Great Falls, Montana
John Hamilton practices at Benefis Medical Group in Great Falls, Montana.
John Hamilton's NPI, 1275838161, was assigned on January 24, 2011. John Hamilton holds Montana license 2580.
- NPI
- 1275838161NPI Registry (opens in a new tab)
- NPI enumeration date
- January 24, 2011
- NPI status
- Active
- Practice phone
- (406) 455-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Hamilton practices at 2 locations in Great Falls, Montana
John Hamilton's primary practice is Benefis Medical Group, at 400 15th Ave S Suite 205 Suite 205, Great Falls, MT 59405-4375. The practice phone is (406) 455-5000. The NPI Registry lists John Hamilton's practice address as 1101 26th S St, Great Falls, MT 59405.
- Benefis Medical GroupPrimary400 15th Ave S Suite 205 Suite 205, Great Falls, MT 59405-4375Phone(406) 455-5000
- NPI Registry address1101 26th S St, Great Falls, MT 59405 · Cascade County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
John Hamilton is affiliated with 1 site of care and 1 medical group
John Hamilton's primary practice is Benefis Medical Group in Great Falls, Montana. The medical group on file is Benefis Health System.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at John Hamilton's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Hamilton practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Benefis Medical Group | Available with a free account |
Source: Dmand AI Technology Install Data
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John Hamilton is one of 28 psychologists in Montana
Psychologist is John Hamilton's primary specialty in the NPI Registry, under taxonomy code 103T00000X. John Hamilton is licensed in Montana.
Specialties and state licenses
- Psychologist, MontanaPrimary
Psychologists near John Hamilton
Counts of psychologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
John Hamilton's patients have a median age of 11
Across all payers, Dmand AI patient panel data puts John Hamilton's median patient age at 11, with 100% women.
John Hamilton's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 11
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Sources for John Hamilton's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about John Hamilton
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John Hamilton's NPI number?
John Hamilton's NPI number is 1275838161. It was assigned on January 24, 2011, and it is active in the NPI Registry.
What does John Hamilton specialize in?
John Hamilton is a psychologist in Great Falls, Montana. The primary specialty in the NPI Registry is Psychologist (taxonomy code 103T00000X).
Where does John Hamilton practice?
John Hamilton practices at 400 15th Ave S Suite 205 Suite 205, Great Falls, MT 59405-4375. John Hamilton also practices at 1101 26th S St, Great Falls, MT 59405. John Hamilton's primary practice is Benefis Medical Group in Great Falls, Montana.
What is John Hamilton's office phone number?
The practice phone on file for John Hamilton is (406) 455-5000. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is John Hamilton's email address?
Dmand AI checks professional and personal email addresses for John Hamilton through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is John Hamilton's medical license number?
John Hamilton holds Montana license 2580.
What medical group is John Hamilton part of?
John Hamilton is linked to Benefis Health System.
Who does John Hamilton practice with?
Dmand AI links 410 HCPs to John Hamilton's primary medical group, 2 of them psychologists. A free account lists them, with verified contacts.
How long has John Hamilton been practicing?
John Hamilton's NPI was assigned in 2011.
What EHR does John Hamilton's practice use?
Dmand AI tracks the EHR system at Benefis Medical Group. The vendor and product are available with a free Dmand AI account.
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