NPPES file of Aug 9, 2026

Jonathon Paul Mahn, D.O.

Internal Medicine Physician · Gilbert, AZ

Jonathon Paul Mahn, D.O. is an internal medicine physician with a practice address in Gilbert, Arizona, and NPI 1629206065, issued on Jun 24, 2009. Check the license (Arizona 5979, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629206065
Name
Jonathon Paul Mahn
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
5979 AZ
Self-reported in NPPES; status is on the state search
Practice location
250 W Juniper Ave Unit 7, Gilbert, AZ 85233
Phone
(520) 417-4594
Enumerated
Jun 24, 2009
Record last updated
Jul 29, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20120820000977); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Jonathon Paul Mahn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 5979
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

28 Medicare Part D claims for 15 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Jonathon Mahn28
  2. Specialty average3,176

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Pulmonary Consultants P.C.Mesa, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jonathon Paul Mahn among 2,853 internal medicine physician records in Arizona

Jonathon Paul Mahn, D.O. 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. Its NPI, issued in 2009, is newer than 57% of them.

  • NPI issued2009 · 57% of these records are older, 40% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2009 · median 2003 among the 1,643 with a school on file
  • Record last updated2013 · 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).

Internal Medicine Physician providers in Arizona

There are 2,853 internal medicine physician records in Arizona.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Anthony Aghenta, MDGilbert, AZ 852331316084130
  2. Marjorie Bessel, MDGilbert, AZ 852341710002068
  3. Shefali Birdi, MDGilbert, AZ 852341871798488
  4. Jordan Coulston, M.DGilbert, AZ 852341487850004
  5. Prathab Devaraj, MDGilbert, AZ 852341073778064
  6. David Edwards, MDGilbert, AZ 852341871618710
  7. Brian Gallman, D.O.Gilbert, AZ 852341639106438
  8. Sandra Levitt, MDGilbert, AZ 852341225224660

Common questions

What is Jonathon Paul Mahn, D.O.'s NPI number?

Jonathon Paul Mahn, D.O.'s National Provider Identifier (NPI) is 1629206065, issued on Jun 24, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Jonathon Paul Mahn, D.O. located?

The NPPES record lists a practice address at 250 W Juniper Ave Unit 7, Gilbert, AZ, 85233. Phone: (520) 417-4594. Providers update this record themselves, so call before visiting.

How can I verify Jonathon Paul Mahn, D.O.'s license?

NPPES lists Arizona license number 5979, 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.

How much does Jonathon Paul Mahn, D.O. prescribe under Medicare Part D?

In 2024, Jonathon Paul Mahn, D.O. had 28 Medicare Part D claims for 15 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.