Greg R. Decker, PhD
- Affiliated sites
- 1
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2011
- Practice address
- 1025 N Douty St, Hanford, CA 93230
- Practice phone
- Call (559) 583-2254
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Adventist Health Community Care-Hanford RHC
Rural Health Clinic - Hospital-Owned · Hanford, California
Find Greg Decker'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.
Greg R. Decker is a counseling psychologist in Hanford, California
Greg Decker practices at Adventist Health Community Care-Hanford RHC in Hanford, California.
Greg Decker's NPI, 1285912840, was assigned on August 1, 2011. Greg Decker holds North Dakota license 459.
- NPI
- 1285912840NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476714627
- NPI enumeration date
- August 1, 2011
- NPI status
- Active
- Practice phone
- (559) 583-2254
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Greg R. Decker practices at Adventist Health Community Care-Hanford RHC in Hanford, California
Greg Decker's primary practice is Adventist Health Community Care-Hanford RHC, at 1025 N Douty St, Hanford, CA 93230. The practice phone is (559) 583-2254.
- Adventist Health Community Care-Hanford RHC1025 N Douty St, Hanford, CA 93230Phone(559) 583-2254
Source: Dmand AI Affiliation Data
Greg R. Decker is affiliated with 1 site of care and 2 medical groups
Greg Decker's primary practice is Adventist Health Community Care-Hanford RHC in Hanford, California. The medical group on file is Adventist Health Community Care-Hanford. Dmand AI also links Greg Decker to 1 more medical group, named with a free account. Greg Decker's employer is on file too: a rural health clinic (rhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Greg R. Decker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Greg Decker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adventist Health Community Care-Hanford RHC | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Greg R. Decker is one of 107 counseling psychologists in California
Counseling is Greg Decker's primary specialty in the NPI Registry, under taxonomy code 103TC1900X. Greg Decker is licensed in North Dakota.
Specialties and state licenses
- Counseling psychologist, North DakotaPrimary
Counseling psychologists near Greg Decker
Counts of counseling 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
Greg R. Decker's patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Greg Decker's median patient age at 59, with 45% women.
Greg Decker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women45%
- Men55%
Source: Dmand AI Patient Panel Data
Sources for Greg R. Decker'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 |
| 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 Greg R. Decker
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Greg R. Decker's NPI number?
Greg R. Decker's NPI number is 1285912840. It was assigned on August 1, 2011, and it is active in the NPI Registry.
What does Greg R. Decker specialize in?
Greg R. Decker is a counseling psychologist in Hanford, California. The primary specialty in the NPI Registry is Counseling Psychologist (taxonomy code 103TC1900X).
Where does Greg R. Decker practice?
Greg Decker practices at 1025 N Douty St, Hanford, CA 93230. Greg Decker's primary practice is Adventist Health Community Care-Hanford RHC in Hanford, California. Dmand AI also links Greg Decker to 1 medical group.
What is Greg R. Decker's office phone number?
The practice phone on file for Greg Decker is (559) 583-2254.
What is Greg R. Decker's medical license number?
Greg Decker holds North Dakota license 459.
What medical group is Greg R. Decker part of?
Greg Decker is linked to Adventist Health Community Care-Hanford. Dmand AI links Greg Decker to 1 more medical group.
How long has Greg R. Decker been practicing?
Greg Decker graduated from medical school in 2010, 16 years ago.
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