Thea Simmons, LLP, PSYS
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2014
- Practice address
- 6548 Town Center Dr, Clarkston, MI 48346
- Practice phone
- Call (800) 693-1916
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Great Lakes Psychology Group
Clarkston, Michigan
Find Thea Simmons' 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.
Thea Simmons is a psychologist in Clarkston, Michigan
Thea Simmons practices at Great Lakes Psychology Group in Clarkston, Michigan.
Thea Simmons' NPI, 1669895256, was assigned on February 2, 2014. Thea Simmons holds Michigan license 6361005071.
- NPI
- 1669895256NPI Registry (opens in a new tab)
- NPI enumeration date
- February 2, 2014
- NPI status
- Active
- Practice phone
- (800) 693-1916
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Thea Simmons practices at Great Lakes Psychology Group in Clarkston, Michigan
Thea Simmons' primary practice is Great Lakes Psychology Group, at 6548 Town Center Dr, Clarkston, MI 48346 in Oakland County. The practice phone is (800) 693-1916.
- Great Lakes Psychology Group6548 Town Center Dr, Clarkston, MI 48346 · Oakland CountyPhone(800) 693-1916
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Thea Simmons is affiliated with 2 sites of care and 1 medical group
Thea Simmons' primary practice is Great Lakes Psychology Group in Clarkston, Michigan. The medical group on file is Great Lakes Psychology Group. Dmand AI also links Thea Simmons to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Thea Simmons' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Thea Simmons practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Great Lakes Psychology Group | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Thea Simmons is one of 864 psychologists in Michigan
Psychologist is Thea Simmons' primary specialty in the NPI Registry, under taxonomy code 103T00000X. Thea Simmons is licensed in Michigan.
Specialties and state licenses
- Psychologist, MichiganPrimary
Psychologists near Thea Simmons
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
Thea Simmons' patients have a median age of 36
Across all payers, Dmand AI patient panel data puts Thea Simmons' median patient age at 36, with 70% women.
Thea Simmons' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 36
Patient panel by sex, all payers
- Women70%
- Men30%
Source: Dmand AI Patient Panel Data
Sources for Thea Simmons'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| 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 Thea Simmons
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Thea Simmons' NPI number?
Thea Simmons' NPI number is 1669895256. It was assigned on February 2, 2014, and it is active in the NPI Registry.
What does Thea Simmons specialize in?
Thea Simmons is a psychologist in Clarkston, Michigan. The primary specialty in the NPI Registry is Psychologist (taxonomy code 103T00000X).
Where does Thea Simmons practice?
Thea Simmons practices at 6548 Town Center Dr, Clarkston, MI 48346. Thea Simmons' primary practice is Great Lakes Psychology Group in Clarkston, Michigan. Dmand AI also links Thea Simmons to 1 group practice or clinic.
What is Thea Simmons' office phone number?
The practice phone on file for Thea Simmons is (800) 693-1916.
What is Thea Simmons' medical license number?
Thea Simmons holds Michigan license 6361005071.
What medical group is Thea Simmons part of?
Thea Simmons is linked to Great Lakes Psychology Group.
How long has Thea Simmons been practicing?
Thea Simmons' NPI was assigned in 2014.
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