Mark J. Mattern, M.D.
Internal Medicine Physician · Mesa, AZ
Mark J. Mattern, M.D. is an internal medicine physician with a practice address in Mesa, Arizona, and NPI 1952339152, issued on Jun 28, 2006. Check the license (Arizona 24656, as entered in NPPES) on the Arizona Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark J. Mattern
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 24656 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 415 N Val Vista Dr Ste 101, Mesa, AZ 85213
- Phone
- (480) 654-5661
- Enumerated
- Jun 28, 2006
- Record last updated
- Jan 4, 2010 (not updated in 16 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Verify Mark J. Mattern in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 24656Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mark J. Mattern among 2,853 internal medicine physician records in Arizona
Mark J. Mattern, M.D. is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 55% newer
- In a Medicare fileNo · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2010 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
157 internal medicine physician records list a practice address in Mesa
They are 157 of the 9,151 NPPES records with a practice address in Mesa, and 2,853 internal medicine physician records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,853 in Arizona → Every provider in Mesa → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Matthew Checketts, D.O.Mesa, AZ 852131518344753
- Nema Runyan, M.D.Mesa, AZ 852131619953171
- Edward Smith, M.D.Mesa, AZ 852131821278896
- Radhika Janga, MDMesa, AZ 852121508826413
- Douglas Maready, M.D.Mesa, AZ 852121689876252
- Chikwendu Nwosu, MDMesa, AZ 852121104994375
- Gabriel Ogbonnaya, M.D.Mesa, AZ 852121972502862
- Oyoyo Onuoha, M.D.Mesa, AZ 852121811183171
Common questions
What is Mark J. Mattern, M.D.'s NPI number?
Mark J. Mattern, M.D.'s National Provider Identifier (NPI) is 1952339152, issued on Jun 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark J. Mattern, M.D. located?
The NPPES record lists a practice address at 415 N Val Vista Dr Ste 101, Mesa, AZ, 85213. Phone: (480) 654-5661. Providers update this record themselves, so call before visiting.
How can I verify Mark J. Mattern, M.D.'s license?
NPPES lists Arizona license number 24656, 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.