John Diaz, M.D.
Emergency Medicine Physician · Nogales, AZ
John Diaz, M.D. is an emergency medicine physician with a practice address in Nogales, Arizona, and NPI 1043254154, issued on Jun 16, 2006. Check the license (Arizona 9465, as entered in NPPES) on the Arizona Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Diaz
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 9465 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1171 W Target Range Road, Nogales, AZ 85621
- Phone
- (520) 287-2771
- Enumerated
- Jun 16, 2006
- Entity
- Type 1 · individual
Verify John Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 9465Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
11 emergency medicine physician records list a Nogales practice address
They are 11 of the 171 NPPES records with a Nogales practice address, and 1,419 emergency medicine physician records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 11 in Nogales → All 1,419 in Arizona → Every provider in Nogales →
Other emergency medicine physician records in Arizona
- Dimyana Abdelmalek, MDChinle, AZ1194012146
- Linda Abernathy, MDTuba City, AZ1386687093
- Sameer Aboufadel, DO, MPHTucson, AZ1639063431
- Josephine Acuna, M.DTucson, AZ1710325287
- Norberto Adame, MDPhoenix, AZ1144276213
- Bruce Adams, M.D.Mesa, AZ1801824925
- Ryan Adkins, D.O.Chandler, AZ1417483538
- Geovar Agbayani, DOKingman, AZ1265016646
- Judith Aikawa, MDPhoenix, AZ1548296056
- Ronald Aikawa, MDPhoenix, AZ1225067564
Common questions
What is John Diaz, M.D.'s NPI number?
John Diaz, M.D.'s National Provider Identifier (NPI) is 1043254154, issued on Jun 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Diaz, M.D. located?
The NPPES record lists a practice address at 1171 W Target Range Road, Nogales, AZ, 85621. Phone: (520) 287-2771. Providers update this record themselves, so call before visiting.
How can I verify John Diaz, M.D.'s license?
NPPES lists Arizona license number 9465, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.