NPPES file of Aug 9, 2026

Jonathan S. Ehrhardt, M.D.

Diagnostic Radiology Physician · Tucson, AZ

Jonathan S. Ehrhardt, M.D. is a diagnostic radiology physician with a practice address in Tucson, Arizona, and NPI 1639205289, issued on Feb 26, 2007. Check the license (Arizona 35414, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639205289
Name
Jonathan S. Ehrhardt
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
35414 AZ
Self-reported in NPPES; status is on the state search
Practice location
1501 N Campbell Ave, Tucson, AZ 85724
Phone
(520) 626-7402
Enumerated
Feb 26, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(520) 626-2941
Medicare enrollment
Enrolled (PECOS I20070607000347); 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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8 nearest diagnostic radiology physician records → All 869 in Arizona → Look up another NPI →

Also registered at 1501 N Campbell Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alexa Aaronson, MDPediatrics Physician1427793652
  2. Mohammed Abbas, MDOrthopaedic Surgery Physician1003437872
  3. Josephine Acuna, M.DEmergency Medicine Physician1710325287
  4. Rodney Adam, MDInfectious Disease Physician1548249485
  5. Matthew Adams, D.O.Infectious Disease Physician1578941720
  6. Elana Addis, M.DObstetrics & Gynecology Physician1730150582

Verify Jonathan S. Ehrhardt in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 35414    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through 2 group practices

  1. Mercy Health System CorporationJanesville, WI
  2. Rockford Health PhysiciansRockford, IL

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

Jonathan S. Ehrhardt among 869 diagnostic radiology physician records in Arizona

Jonathan S. Ehrhardt, M.D. is one of 869 diagnostic radiology physician records with a practice address in Arizona. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 51% of them.

  • NPI issued2007 · 51% of these records are older, 40% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2002 · median 2003 among the 573 with a school on file
  • Record last updated2007 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

233 diagnostic radiology physician records list a practice address in Tucson

They are 233 of the 18,788 NPPES records with a practice address in Tucson, and 869 diagnostic radiology physician records in Arizona.

All 869 in Arizona → Every provider in Tucson → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Quentin Anderson, MDTucson, AZ 857241366452799
  2. Gary Becker, MDTucson, AZ 857241396755732
  3. Michael Capp, MDTucson, AZ 857241720006356
  4. Raymond Carmody, MDTucson, AZ 857241396757563
  5. Arnold Friedman, M.D.Tucson, AZ 857241164497814
  6. Dorothy Gilbertson-Dahdal, MDTucson, AZ 857241861574832
  7. Kai Haber, MDTucson, AZ 857241760456503
  8. Dean Holden, MDTucson, AZ 857241548423544

Common questions

What is Jonathan S. Ehrhardt, M.D.'s NPI number?

Jonathan S. Ehrhardt, M.D.'s National Provider Identifier (NPI) is 1639205289, issued on Feb 26, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan S. Ehrhardt, M.D. located?

The NPPES record lists a practice address at 1501 N Campbell Ave, Tucson, AZ, 85724. Phone: (520) 626-7402. Providers update this record themselves, so call before visiting.

How can I verify Jonathan S. Ehrhardt, M.D.'s license?

NPPES lists Arizona license number 35414, 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.