John P. Castro, MD
Family Medicine Physician · Tempe, AZ
John P. Castro, MD is a family medicine physician with a practice address in Tempe, Arizona, and NPI 1619953577, issued on Dec 21, 2005. Check the license (Arizona 35673, as entered in NPPES) on the Arizona Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John P. Castro
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 35673 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1920 E Baseline RD, Tempe, AZ 85283
- Phone
- (480) 345-5085
- Enumerated
- Dec 21, 2005
- Record last updated
- Jan 25, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (480) 345-5266
- Entity
- Type 1 · individual
Also registered at 1920 E Baseline RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Olubukola Aremu, FNP-CFamily Nurse Practitioner1376901199
- Swapna Chalasani, MDInternal Medicine Physician1407067010
- Darren ClontsPharmacist1568884898
- Bruce Curtis, M.D.Diagnostic Radiology Physician1073539029
- Julie Desoe, APRNFamily Nurse Practitioner1275798464
- Christine Hayes, B.S., R.N.Nutrition Education Nutritionist1982895389
Verify John P. Castro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 35673Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70 family medicine physician records list a practice address in Tempe
They are 70 of the 4,310 NPPES records with a practice address in Tempe, and 3,119 family medicine physician records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 70 in Tempe → All 3,119 in Arizona → Every provider in Tempe →
Other family medicine physician records in Arizona
- Muhammad Aamer, M.D.Yuma, AZ1437574720
- Ndidi Abara, M.D.Yuma, AZ1295115145
- Steven Abdelmalak, MDScottsdale, AZ1205092806
- Daniel Abelev, MDPhoenix, AZ1417573163
- Lindsey Abeyta, FNPTucson, AZ1043027857
- Modupeola Abiodun, M.D.Chandler, AZ1225326853
- Sara Abolmolouk, MDTucson, AZ1497043715
- Ahmed Abouzeid, MDGlendale, AZ1871619601
- Edward Abraham, M.D.Phoenix, AZ1144593211
- Rebecca Abraham, M.D.Surprise, AZ1437273323
Common questions
What is John P. Castro, MD's NPI number?
John P. Castro, MD's National Provider Identifier (NPI) is 1619953577, issued on Dec 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John P. Castro, MD located?
The NPPES record lists a practice address at 1920 E Baseline RD, Tempe, AZ, 85283. Phone: (480) 345-5085. Providers update this record themselves, so call before visiting.
How can I verify John P. Castro, MD's license?
NPPES lists Arizona license number 35673, 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), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.