John Michael Costantino, D.O.
Nephrology Physician · Phoenix, AZ
John Michael Costantino, D.O. is a nephrology physician with a practice address in Phoenix, Arizona, and NPI 1235243361, issued on Aug 18, 2006. Check the license (Arizona 2472, as entered in NPPES) on the Arizona Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Michael Costantino
- Credential
- D.O.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 2472 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 650 E Indian School RD, Phoenix, AZ 85012
- Phone
- (602) 277-5551
- Enumerated
- Aug 18, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (602) 212-2096
- Entity
- Type 1 · individual
Also registered at 650 E Indian School RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mehr Ahmed, MDPhysical Medicine & Rehabilitation Physician1245289883
- Matthew Ahuett, PHARM.D.Pharmacist1285741793
- Tywan AjaniClinical Social Worker1568151405
- Catherine Akbari, NPAdult Health Nurse Practitioner1013931633
- Anthony Albert, PHARMDAmbulatory Care Pharmacist1619320140
- Jesse Albin, BSN, RNMedical-Surgical Registered Nurse1144096801
Verify John Michael Costantino in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 2472Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Nephrology Physician providers in Arizona
There are 278 nephrology physician records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other nephrology physician records in Arizona
- Abubakr Abdelaziz, M.DKingman, AZ1649617226
- Sohail Abdul Salim, MDPhoenix, AZ1457658007
- Manuel Abrante, M.D.Mesa, AZ1942293527
- Naief Abudaff, MDPhoenix, AZ1295229920
- Chirag Acharya, MDSun City, AZ1437512506
- Mohit AgarwalPhoenix, AZ1407061781
- Irfan Ahmed, MDChandler, AZ1750540498
- Jamil Ahmed, M.D.Tucson, AZ1588685879
- Kamal Eldin Ahmed, M.D.Yuma, AZ1952352411
- Sami Alasfar, M.D.Scottsdale, AZ1447489000
Common questions
What is John Michael Costantino, D.O.'s NPI number?
John Michael Costantino, D.O.'s National Provider Identifier (NPI) is 1235243361, issued on Aug 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Michael Costantino, D.O. located?
The NPPES record lists a practice address at 650 E Indian School RD, Phoenix, AZ, 85012. Phone: (602) 277-5551. Providers update this record themselves, so call before visiting.
How can I verify John Michael Costantino, D.O.'s license?
NPPES lists Arizona license number 2472, 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.