Evan David Holloway, PhD
- Hospital affiliations
- 1
- State license
- 1
- Year NPI issued
- 2019
- Practice address
- 2740 Grant Street, Concord, CA 94520
- Practice phone
- Call (925) 674-4101
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Evan Holloway's professional email, personal email and mobile number
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Evan David Holloway is a psychologist in Concord, California
Evan Holloway practices at John Muir Behavioral Health Center in Concord, California, part of John Muir Health.
Evan Holloway's NPI, 1457911349, was assigned on June 13, 2019. Evan Holloway holds California license 33561.
- NPI
- 1457911349NPI Registry (opens in a new tab)
- NPI enumeration date
- June 13, 2019
- NPI status
- Active
- Practice phone
- (925) 674-4101
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Evan David Holloway practices at John Muir Behavioral Health Center in Concord, California
Evan Holloway's primary practice is John Muir Behavioral Health Center, at 2740 Grant Street, Concord, CA 94520 in Contra Costa County. The practice phone is (925) 674-4101.
- John Muir Behavioral Health Center2740 Grant Street, Concord, CA 94520 · Contra Costa CountyPhone(925) 674-4101
Source: Dmand AI Affiliation Data
Evan David Holloway is affiliated with 1 site of care
Evan Holloway's primary practice is John Muir Behavioral Health Center in Concord, California, part of John Muir Health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Evan David Holloway's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Evan Holloway practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John Muir Behavioral Health Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across John Muir Health and 6.2K+ hospitals, with verified contacts in the same login.
Evan David Holloway is one of 1,724 psychologists in California
Psychologist is Evan Holloway's primary specialty in the NPI Registry, under taxonomy code 103T00000X. Evan Holloway is licensed in California.
Specialties and state licenses
- Psychologist, CaliforniaPrimary
Psychologists near Evan Holloway
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
Evan David Holloway's patients have a median age of 17
Across all payers, Dmand AI patient panel data puts Evan Holloway's median patient age at 17, with 0% women.
Evan Holloway's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 17
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Sources for Evan David Holloway'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 Evan David Holloway
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Evan David Holloway's NPI number?
Evan David Holloway's NPI number is 1457911349. It was assigned on June 13, 2019, and it is active in the NPI Registry.
What does Evan David Holloway specialize in?
Evan David Holloway is a psychologist in Concord, California. The primary specialty in the NPI Registry is Psychologist (taxonomy code 103T00000X).
Where does Evan David Holloway practice?
Evan Holloway practices at 2740 Grant Street, Concord, CA 94520. Evan Holloway's primary practice is John Muir Behavioral Health Center in Concord, California, part of John Muir Health.
What is Evan David Holloway's office phone number?
The practice phone on file for Evan Holloway is (925) 674-4101.
What is Evan David Holloway's medical license number?
Evan Holloway holds California license 33561, one of 2 state licenses on file.
Which hospitals is Evan David Holloway affiliated with?
Evan Holloway practices at John Muir Behavioral Health Center in Concord, California.
How long has Evan David Holloway been practicing?
Evan Holloway's NPI was assigned in 2019.
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