John Forrest Prater, D.O.
Psychiatry Physician · Phoenix, AZ
John Forrest Prater, D.O. is a psychiatry physician with a practice address in Phoenix, Arizona, and NPI 1801014378, issued on Apr 23, 2007. Check the license (Arizona 007409, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Forrest Prater
- Credential
- D.O.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 007409 AZ
OS4879 FL
Self-reported in NPPES; status is on the state search - Practice location
- 3101 E Shea Blvd Ste 220, Phoenix, AZ 85028
- Phone
- (602) 795-1834
- Enumerated
- Apr 23, 2007
- Record last updated
- Jun 24, 2024
- Fax
- (602) 795-2608
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 942 in Arizona → Look up another NPI →
Also registered at 3101 E Shea Blvd Ste 220
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nacchal Nachiappan, MDInternal Medicine Physician1275767006
Verify John Forrest Prater in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 007409Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average psychiatry physician in 2024
105 Medicare Part D claims for 12 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Venlafaxine Hcl Er16 claims
- Duloxetine Hcl13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
John Forrest Prater among 942 psychiatry physician records in Arizona
John Forrest Prater, D.O. is one of 942 psychiatry physician records with a practice address in Arizona. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 39% of them.
- NPI issued2007 · 39% of these records are older, 48% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 41% of these records are
- Record last updated2024 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Arizona
There are 942 psychiatry physician records in Arizona.
All 942 in Arizona → Every provider in Phoenix → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Donald Aubrey, M.D.Phoenix, AZ 850281629133061
- Susan Baumann, M.D.Phoenix, AZ 850281518082130
- Teresa Buot-Smith, M.D.Phoenix, AZ 850281932227675
- Sonia Godbole, M.D.Phoenix, AZ 850281689752701
- Dennis Grant, M.D.Phoenix, AZ 850281235355629
- Gurjot Marwah, M.D.Phoenix, AZ 850281255433702
- Jesse Costales, M.D.Phoenix, AZ 850271619266897
- Michael Fermo, M.D.Phoenix, AZ 850271740256361
Common questions
What is John Forrest Prater, D.O.'s NPI number?
John Forrest Prater, D.O.'s National Provider Identifier (NPI) is 1801014378, issued on Apr 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Forrest Prater, D.O. located?
The NPPES record lists a practice address at 3101 E Shea Blvd Ste 220, Phoenix, AZ, 85028. Phone: (602) 795-1834. Providers update this record themselves, so call before visiting.
How can I verify John Forrest Prater, D.O.'s license?
NPPES lists Arizona license number 007409, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Forrest Prater, D.O. prescribe under Medicare Part D?
In 2024, John Forrest Prater, D.O. had 105 Medicare Part D claims for 12 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.