J Dennis Johnston, PhD
- Hospital affiliations
- 1
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 2150 Corbin Ave, New Britain, CT 06053
- Practice phone
- Call (860) 612-6309
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hospital for Special Care - Outpatient Therapy
Multi-Specialty Rehab Clinic · New Britain, Connecticut
Find J Johnston'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.
J Dennis Johnston is a clinical neuropsychologist in New Britain, Connecticut
J Johnston practices at Hospital for Special Care - Outpatient Therapy in New Britain, Connecticut.
J Johnston's NPI, 1477567816, was assigned on July 29, 2006. J Johnston holds Connecticut license 001473.
- NPI
- 1477567816NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315082401
- NPI enumeration date
- July 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (860) 612-6309
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
J Dennis Johnston practices at Hospital for Special Care - Outpatient Therapy in New Britain, Connecticut
J Johnston's primary practice is Hospital for Special Care - Outpatient Therapy, at 2150 Corbin Ave, New Britain, CT 06053. The practice phone is (860) 612-6309.
- Hospital for Special Care - Outpatient Therapy2150 Corbin Ave, New Britain, CT 06053Phone(860) 612-6309
Source: Dmand AI Affiliation Data
J Dennis Johnston is affiliated with 2 sites of care and 2 medical groups
J Johnston's primary practice is Hospital for Special Care - Outpatient Therapy in New Britain, Connecticut. J Johnston is also affiliated with Hospital for Special Care. The medical group on file is Hospital for Special Care. Dmand AI also links J Johnston to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at J Dennis Johnston's practice
Dmand AI tracks the electronic health record (EHR) system at each site where J Johnston practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hospital for Special Care - Outpatient Therapy | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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J Dennis Johnston is one of 67 clinical neuropsychologists in Connecticut
Clinical neuropsychologist is J Johnston's primary specialty in the NPI Registry, under taxonomy code 103G00000X. J Johnston is licensed in Connecticut.
Specialties and state licenses
- Clinical neuropsychologist, ConnecticutPrimary
Clinical neuropsychologists near J Johnston
Counts of clinical neuropsychologists 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
J Dennis Johnston's patients have a median age of 40
Across all payers, Dmand AI patient panel data puts J Johnston's median patient age at 40, with 40% women.
J Johnston's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women40%
- Men60%
Source: Dmand AI Patient Panel Data
How J Dennis Johnston takes part in Medicare
J Johnston 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 J Dennis Johnston'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 Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| 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 J Dennis Johnston
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is J Dennis Johnston's NPI number?
J Dennis Johnston's NPI number is 1477567816. It was assigned on July 29, 2006, and it is active in the NPI Registry.
What does J Dennis Johnston specialize in?
J Dennis Johnston is a clinical neuropsychologist in New Britain, Connecticut. The primary specialty in the NPI Registry is Clinical Neuropsychologist (taxonomy code 103G00000X).
Where does J Dennis Johnston practice?
J Johnston practices at 2150 Corbin Ave, New Britain, CT 06053. J Johnston's primary practice is Hospital for Special Care - Outpatient Therapy in New Britain, Connecticut. Dmand AI also links J Johnston to 1 medical group.
What is J Dennis Johnston's office phone number?
The practice phone on file for J Johnston is (860) 612-6309.
What is J Dennis Johnston's medical license number?
J Johnston holds Connecticut license 001473.
Which hospitals is J Dennis Johnston affiliated with?
J Johnston is affiliated with Hospital for Special Care.
What medical group is J Dennis Johnston part of?
J Johnston is linked to Hospital for Special Care. Dmand AI links J Johnston to 1 more medical group.
Does J Dennis Johnston accept Medicare?
Yes. CMS lists J Johnston as accepting Medicare assignment.
How long has J Dennis Johnston been practicing?
J Johnston graduated from medical school in 1987, 39 years ago.
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