$220 in research paymentsStress Disorders, Post-TraumaticStress Disorders, TraumaticBrexpiprazoleSertraline
Dr. John Forrest Prater, DO
NPI1801014378
- Part D claims, 2024
- 105
- Clinical trials
- 2
- Industry payments
- $1,932
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 400 N 32nd St, Phoenix, AZ 85008-6205
- Practice phone
- Call (702) 341-3152
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Phoenix 3 Va Clinic
Multi-specialty group site · Phoenix, Arizona
Find Dr. Prater's professional email, personal email and mobile number
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Dr. John Forrest Prater is a psychiatrist in Queen Creek, Arizona
Dr. Prater practices at Phoenix 3 Va Clinic in Phoenix, Arizona.
Dr. Prater's NPI, 1801014378, was assigned on April 23, 2007. Dr. Prater holds Arizona license 007409.
NPI and contact details
- NPI
- 1801014378NPI Registry (opens in a new tab)
- NPI enumeration date
- April 23, 2007
- NPI status
- Active
- Practice phone
- (702) 341-3152
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Forrest Prater practices in Phoenix and Queen Creek
Dr. Prater's primary practice is Phoenix 3 Va Clinic, at 400 N 32nd St, Phoenix, AZ 85008-6205. The practice phone is (702) 341-3152. The NPI Registry lists Dr. Prater's practice address as 22713 S Ellsworth Rd, Queen Creek, AZ 85142.
- Phoenix 3 Va ClinicPrimary400 N 32nd St, Phoenix, AZ 85008-6205Phone(702) 341-3152
- NPI Registry address22713 S Ellsworth Rd, Queen Creek, AZ 85142 · Maricopa CountyPhone(602) 795-1834
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. John Forrest Prater is affiliated with 2 sites of care and 2 medical groups
Dr. Prater's primary practice is Phoenix 3 Va Clinic in Phoenix, Arizona. Dmand AI also links Dr. Prater to 2 medical groups and 1 group practice or clinic, each named with a free account.
Phoenix 3 Va ClinicPrimary
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. John Forrest Prater's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Prater practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Phoenix 3 Va Clinic | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Forrest Prater is one of 647 psychiatrists in Arizona
Psychiatry is Dr. Prater's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dmand AI has Dr. Prater's licenses on file in 2 states: Arizona and Florida.
Specialties and state licenses
- Psychiatry, ArizonaPrimary
- Psychosomatic medicine, Florida
Psychiatrists near Dr. Prater
Counts of psychiatrists 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
Dr. John Forrest Prater's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Dr. Prater's median patient age at 58, with 100% women.
Dr. Prater's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. John Forrest Prater wrote 105 Medicare Part D claims in 2024
In 2024, Dr. Prater wrote 105 Medicare Part D claims for 12 patients. 90% of them were for generic drugs. CMS names the drug for 29 of them, across 2 drugs with 11 or more claims each, at $381 in total drug cost. In 2023, CMS named 65 claims across 5 drugs.
Part D claims, 2024105
Drugs named by CMS2
Total drug cost$381
Part D patients12
Dr. Prater's Part D claims by kind of drug, 2024
- Generic95 claims90%
- Brand-name and other10 claims10%
Dr. Prater's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 652024: 2955%
Drugs named by CMS: 2 in 2024, 5 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. John Forrest Prater has worked on 2 clinical trials
Dmand AI links Dr. Prater to 2 clinical trials. Conditions studied include Attention Deficit Disorder with Hyperactivity, Stress Disorders, Post-Traumatic and Attention Deficit and Disruptive Behavior Disorders. Otsuka Pharmaceutical Development & Commercialization, Inc. sponsors the most, 2. Open Payments lists research payments to Dr. Prater that name 2 trials.
Conditions in Dr. Prater's trials
- Attention Deficit Disorder with Hyperactivity
- Stress Disorders, Post-Traumatic
- Attention Deficit and Disruptive Behavior Disorders
- Stress Disorders, Traumatic
Investigators on the most trials with Dr. Prater
- Sarah D. Atkinson, MD2 shared trials
- Philip Manning Bolton, MD2 shared trials
- Donald Joaquin Garcia, MD2 shared trials
Recent clinical trials with Dr. Prater
$1,070 in research paymentsAttention Deficit Disorder with HyperactivityAttention Deficit and Disruptive Behavior DisordersCentanafadine SR
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Forrest Prater received $1,932 in industry payments from 2016 to 2025
CMS Open Payments shows 16 general payments to Dr. Prater from 5 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 49% of the total. Allergan Inc. paid the most, $1,318. It also lists 11 research payments totaling $1,290 from 2019 to 2020, naming 2 clinical trials.
General payments to Dr. Prater by program year, 2016 to 2025
General payments to Dr. Prater by kind, 2016 to 2025
$1.9Kin total
- Food and beverage$94149%
- Travel and lodging$86745%
- Education$1246%
Companies that paid Dr. Prater the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John Forrest Prater'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| 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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (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 Dr. John Forrest Prater
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John Forrest Prater's NPI number?
Dr. John Forrest Prater's NPI number is 1801014378. It was assigned on April 23, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. John Forrest Prater?
Dr. John Forrest Prater is a psychiatrist in Queen Creek, Arizona. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. John Forrest Prater practice?
Dr. Prater practices at 400 N 32nd St, Phoenix, AZ 85008-6205. Dr. Prater also practices at 22713 S Ellsworth Rd, Queen Creek, AZ 85142. Dr. Prater's primary practice is Phoenix 3 Va Clinic in Phoenix, Arizona. Dmand AI also links Dr. Prater to 2 medical groups and 1 group practice or clinic.
What is Dr. John Forrest Prater's office phone number?
The practice phone on file for Dr. Prater is (702) 341-3152.
What is Dr. John Forrest Prater's medical license number?
Dr. Prater holds Arizona license 007409, one of the licenses on file in 2 states.
Which states has Dr. John Forrest Prater been licensed in?
Dmand AI has state licenses on file for Dr. Prater in Arizona and Florida.
What drugs does Dr. John Forrest Prater prescribe most?
In 2024 Medicare Part D data, Dr. Prater's most prescribed drugs by claims were Venlafaxine HCl ER and Duloxetine HCl.
Has Dr. John Forrest Prater received payments from drug or device companies?
CMS Open Payments shows $1,932 in general payments to Dr. Prater from 5 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. John Forrest Prater been practicing?
Dr. Prater's NPI was assigned in 2007.
Does Dr. John Forrest Prater do research?
Dr. Prater has worked on 2 clinical trials.
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