Gregory R. Hamilton, LPC, MA
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2011
- Practice address
- 512 S Union St, Traverse City, MI 49684-3247
- Practice phone
- Call (231) 941-6550
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Old Town Psychological Services - Traverse City
Behavioral health practice · Traverse City, Michigan
Find Gregory 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.
Gregory R. Hamilton is a mental health counselor in Traverse City, Michigan
Gregory Hamilton practices at Old Town Psychological Services - Traverse City in Traverse City, Michigan.
Gregory Hamilton's NPI, 1447546924, was assigned on June 23, 2011. Gregory Hamilton holds Michigan license 6401001034.
- NPI
- 1447546924NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355788100
- NPI enumeration date
- June 23, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (231) 941-6550
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Gregory R. Hamilton practices at Old Town Psychological Services - Traverse City in Traverse City, Michigan
Gregory Hamilton's primary practice is Old Town Psychological Services - Traverse City, at 512 S Union St, Traverse City, MI 49684-3247. The practice phone is (231) 941-6550.
- Old Town Psychological Services - Traverse City512 S Union St, Traverse City, MI 49684-3247Phone(231) 941-6550
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Gregory R. Hamilton is affiliated with 1 site of care and 1 medical group
Gregory Hamilton's primary practice is Old Town Psychological Services - Traverse City in Traverse City, Michigan. The medical group on file is Old Town Psychological Services, P.C.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Gregory R. Hamilton's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Hamilton practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Old Town Psychological Services - Traverse City | Available with a free account |
Source: Dmand AI Technology Install Data
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Gregory R. Hamilton is one of 1,116 mental health counselors in Michigan
Mental health is Gregory Hamilton's primary specialty in the NPI Registry, under taxonomy code 101YM0800X. Gregory Hamilton is licensed in Michigan.
Specialties and state licenses
- Mental health counselor, MichiganPrimary
Mental health counselors near Gregory Hamilton
Counts of mental health counselors 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
Gregory R. Hamilton's patients have a median age of 37
Across all payers, Dmand AI patient panel data puts Gregory Hamilton's median patient age at 37, with 0% women.
Gregory 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 37
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
How Gregory R. Hamilton takes part in Medicare
Gregory Hamilton accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for Gregory R. 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 | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Gregory R. 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 Gregory R. Hamilton's NPI number?
Gregory R. Hamilton's NPI number is 1447546924. It was assigned on June 23, 2011, and it is active in the NPI Registry.
What does Gregory R. Hamilton specialize in?
Gregory R. Hamilton is a mental health counselor in Traverse City, Michigan. The primary specialty in the NPI Registry is Mental Health Counselor (taxonomy code 101YM0800X).
Where does Gregory R. Hamilton practice?
Gregory Hamilton practices at 512 S Union St, Traverse City, MI 49684-3247. Gregory Hamilton's primary practice is Old Town Psychological Services - Traverse City in Traverse City, Michigan.
What is Gregory R. Hamilton's office phone number?
The practice phone on file for Gregory Hamilton is (231) 941-6550.
What is Gregory R. Hamilton's medical license number?
Gregory Hamilton holds Michigan license 6401001034.
What medical group is Gregory R. Hamilton part of?
Gregory Hamilton is linked to Old Town Psychological Services, P.C.
Does Gregory R. Hamilton accept Medicare?
Yes. CMS lists Gregory Hamilton as accepting Medicare assignment.
How long has Gregory R. Hamilton been practicing?
Gregory Hamilton graduated from medical school in 1986, 40 years ago.
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