Donald K. Duffey, PhD
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 31 Tanner St, Haddonfield, NJ 08033-2403
- Practice phone
- Call (856) 428-7646
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Haddonfield Psych Management
Behavioral health practice · Haddonfield, New Jersey
Find Donald Duffey'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.
Donald K. Duffey is a psychologist in Haddonfield, New Jersey
Donald Duffey practices at Haddonfield Psych Management in Haddonfield, New Jersey.
Donald Duffey's NPI, 1437248291, was assigned on October 12, 2006. Donald Duffey holds New Jersey license NJ2090.
- NPI
- 1437248291NPI Registry (opens in a new tab)
- NPI enumeration date
- October 12, 2006
- NPI status
- Active
- Practice phone
- (856) 428-7646
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Donald K. Duffey practices at Haddonfield Psych Management in Haddonfield, New Jersey
Donald Duffey's primary practice is Haddonfield Psych Management, at 31 Tanner St, Haddonfield, NJ 08033-2403. The practice phone is (856) 428-7646.
- Haddonfield Psych Management31 Tanner St, Haddonfield, NJ 08033-2403Phone(856) 428-7646
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Donald K. Duffey is affiliated with 1 site of care and 1 medical group
Donald Duffey's primary practice is Haddonfield Psych Management in Haddonfield, New Jersey. The medical group on file is Haddonfield PsychManagement, P.A.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Donald K. Duffey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Donald Duffey practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Haddonfield Psych Management | Available with a free account |
Source: Dmand AI Technology Install Data
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Donald K. Duffey is one of 421 psychologists in New Jersey
Psychologist is Donald Duffey's primary specialty in the NPI Registry, under taxonomy code 103T00000X. Donald Duffey is licensed in New Jersey.
Specialties and state licenses
- Psychologist, New JerseyPrimary
Psychologists near Donald Duffey
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
Donald K. Duffey's patients have a median age of 51
Across all payers, Dmand AI patient panel data puts Donald Duffey's median patient age at 51, with 0% women.
Donald Duffey's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Sources for Donald K. Duffey'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 |
| 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 Donald K. Duffey
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Donald K. Duffey's NPI number?
Donald K. Duffey's NPI number is 1437248291. It was assigned on October 12, 2006, and it is active in the NPI Registry.
What does Donald K. Duffey specialize in?
Donald K. Duffey is a psychologist in Haddonfield, New Jersey. The primary specialty in the NPI Registry is Psychologist (taxonomy code 103T00000X).
Where does Donald K. Duffey practice?
Donald Duffey practices at 31 Tanner St, Haddonfield, NJ 08033-2403. Donald Duffey's primary practice is Haddonfield Psych Management in Haddonfield, New Jersey.
What is Donald K. Duffey's office phone number?
The practice phone on file for Donald Duffey is (856) 428-7646.
What is Donald K. Duffey's medical license number?
Donald Duffey holds New Jersey license NJ2090.
What medical group is Donald K. Duffey part of?
Donald Duffey is linked to Haddonfield PsychManagement, P.A.
How long has Donald K. Duffey been practicing?
Donald Duffey graduated from medical school in 1979, 47 years ago.
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