NPPES file of Aug 9, 2026

Greg Steven Gardner, M.D.

Emergency Medicine Physician · Tucson, AZ

Greg Steven Gardner, M.D. is an emergency medicine physician with a practice address in Tucson, Arizona, and NPI 1588834063, issued on Mar 11, 2008. Check the license (Arizona 81889, 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
1588834063
Name
Greg Steven Gardner
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
81889 AZ
7633661-1205 UT
Self-reported in NPPES; status is on the state search
Practice location
1501 N Campbell Ave, Tucson, AZ 85724
Phone
(520) 694-0111
Enumerated
Mar 11, 2008
Record last updated
Jan 7, 2016 (not updated in 10 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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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 Greg Steven Gardner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 81889
    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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60% fewer Medicare Part D claims than the average emergency medicine physician in 2024

91 Medicare Part D claims for 64 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Greg Gardner91
  2. Specialty average226

Most prescribed

  1. Cephalexin12 claims
  2. Hydrocodone-Acetaminophen12 claims

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.

Greg Steven Gardner among 1,494 emergency medicine physician records in Arizona

Greg Steven Gardner, M.D. is one of 1,494 emergency medicine physician records with a practice address in Arizona. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 44% of them.

  • NPI issued2008 · 44% of these records are older, 52% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 55% of these records are
  • Record last updated2016 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

422 emergency medicine physician records list a practice address in Tucson

They are 422 of the 18,788 NPPES records with a practice address in Tucson, and 1,494 emergency medicine physician records in Arizona.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Daniel Beskind, MDTucson, AZ 857241699747337
  2. Lisa Chan, MDTucson, AZ 857241104899251
  3. Albert Fiorello, MDTucson, AZ 857241962475897
  4. John Guisto, MDTucson, AZ 857241003881798
  5. Kenneth Iserson, MDTucson, AZ 857241609841238
  6. Samuel Keim, MDTucson, AZ 857241134194616
  7. Harvey Meislin, MDTucson, AZ 857241043301674
  8. Marie Olson, MDTucson, AZ 857241386726313

Common questions

What is Greg Steven Gardner, M.D.'s NPI number?

Greg Steven Gardner, M.D.'s National Provider Identifier (NPI) is 1588834063, issued on Mar 11, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Greg Steven Gardner, M.D. located?

The NPPES record lists a practice address at 1501 N Campbell Ave, Tucson, AZ, 85724. Phone: (520) 694-0111. Providers update this record themselves, so call before visiting.

How can I verify Greg Steven Gardner, M.D.'s license?

NPPES lists Arizona license number 81889, 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 Greg Steven Gardner, M.D. prescribe under Medicare Part D?

In 2024, Greg Steven Gardner, M.D. had 91 Medicare Part D claims for 64 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.