Joseph A. Gassen, M.D.
Pediatrics Physician · Mesa, AZ
Joseph A. Gassen, M.D. is a pediatrics physician with a practice address in Mesa, Arizona, and NPI 1972586006, issued on Nov 22, 2005. Check the license (Arizona 47682, as entered in NPPES) on the Arizona Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Joseph A. Gassen
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License numbers
- 47682 AZ
18975 MS
Self-reported in NPPES; status is on the state search - Practice location
- 5131 E Southern Ave, Mesa, AZ 85206
- Phone
- (480) 833-5437
- Enumerated
- Nov 22, 2005
- Record last updated
- Aug 1, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (480) 833-9349
- Medicaid IDs
- 009932953 AL
04150085 MS - Entity
- Type 1 · individual
Also registered at 5131 E Southern Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karl Baumgartner, MDPediatrics Physician1174522890
- Ginger Carlson, PHDClinical Psychologist1881722692
- Deidra Dexter-Hine, RDRegistered Dietitian1932531753
- Michael Haynes, D.O.Pediatrics Physician1023470457
- Kimberly JonesPediatric Nutrition Registered Dietitian1811452014
- Adrianna Salazar, CCC-SLPSpeech-Language Pathologist1043363831
Verify Joseph A. Gassen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 47682Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Pediatrics Physician providers in Arizona
There are 1,309 pediatrics physician records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other pediatrics physician records in Arizona
- Neil Aaron, MDTempe, AZ1477551083
- Alexa Aaronson, MDTucson, AZ1427793652
- Maria Abad, MDCasa Grande, AZ1295713741
- Sally Abdelmalek, MDMarana, AZ1952896839
- Yasmeen Abdulrahman, MDTucson, AZ1487322590
- Nicole Abdy, M.D.Tucson, AZ1669670634
- Joselita Abeleda, MDSierra Vista, AZ1346276482
- Yara Abu SalahTucson, AZ1952235061
- Stuart Adair, M.DSacaton, AZ1568497287
- Mary Adam, M.D., PHDNogales, AZ1508191016
Common questions
What is Joseph A. Gassen, M.D.'s NPI number?
Joseph A. Gassen, M.D.'s National Provider Identifier (NPI) is 1972586006, issued on Nov 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Joseph A. Gassen, M.D. located?
The NPPES record lists a practice address at 5131 E Southern Ave, Mesa, AZ, 85206. Phone: (480) 833-5437. Providers update this record themselves, so call before visiting.
How can I verify Joseph A. Gassen, M.D.'s license?
NPPES lists Arizona license number 47682, 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.