Registry data as of Aug 27, 2026

Sean Mayo, MD

Emergency Medicine Physician · Tucson, AZ

Sean Mayo, MD is an emergency medicine physician with a practice address in Tucson, Arizona, and NPI 1700888203, issued on Aug 15, 2005. Check the license (Arizona 33438, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1700888203
Name
Sean Mayo
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
33438 AZ
11260 NV
Self-reported in NPPES; status is on the state search
Practice location
5210 E Farness Dr, Tucson, AZ 85712
Phone
(520) 795-4100
Enumerated
Aug 15, 2005
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 5210 E Farness Dr

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

  1. Evan Brickner, MDInternal Medicine Physician1114509544
  2. Phillip Citron, MDCardiovascular Disease Physician1851349575
  3. Christine Downey, DNPGerontology Nurse Practitioner1851774707
  4. Cathy Dukes, NPAcute Care Nurse Practitioner1144317454
  5. Kathleen McLeod, FNP-BCFamily Nurse Practitioner1720054992
  6. Sammantha Meyer, PHARMDPharmacist1881316560

Verify Sean Mayo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 33438
    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.

38% fewer Medicare Part D claims than the average emergency medicine physician in 2024

219 Medicare Part D claims for 158 beneficiaries, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D.

  1. Sean Mayo219
  2. Specialty average355

Most prescribed

  1. Cephalexin29 claims
  2. Methylprednisolone19 claims
  3. Sulfamethoxazole-Trimethoprim19 claims
  4. Ondansetron Odt18 claims
  5. Amoxicillin-Clavulanate Potass16 claims
  6. Azithromycin11 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.

The practice group's Medicare quality score for 2023: 97.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costout of 100 · 30%92.5
  3. Promoting interoperabilityout of 100 · 25%
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

One hospital or facility affiliation

  1. Exceptional Physicians Group Yuma Hospital PLLCYuma, AZ

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

403 emergency medicine physician records list a Tucson practice address

They are 403 of the 18,788 NPPES records with a Tucson practice address, and 1,419 emergency medicine physician records in Arizona.

Other emergency medicine physician records in Arizona

  1. Dimyana Abdelmalek, MDChinle, AZ1194012146
  2. Linda Abernathy, MDTuba City, AZ1386687093
  3. Sameer Aboufadel, DO, MPHTucson, AZ1639063431
  4. Josephine Acuna, M.DTucson, AZ1710325287
  5. Norberto Adame, MDPhoenix, AZ1144276213
  6. Bruce Adams, M.D.Mesa, AZ1801824925
  7. Ryan Adkins, D.O.Chandler, AZ1417483538
  8. Geovar Agbayani, DOKingman, AZ1265016646
  9. Judith Aikawa, MDPhoenix, AZ1548296056
  10. Ronald Aikawa, MDPhoenix, AZ1225067564

Common questions

What is Sean Mayo, MD's NPI number?

Sean Mayo, MD's National Provider Identifier (NPI) is 1700888203, issued on Aug 15, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Sean Mayo, MD located?

The NPPES record lists a practice address at 5210 E Farness Dr, Tucson, AZ, 85712. Phone: (520) 795-4100. Providers update this record themselves, so call before visiting.

How can I verify Sean Mayo, MD's license?

NPPES lists Arizona license number 33438, 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 Sean Mayo, MD prescribe under Medicare Part D?

In 2024, Sean Mayo, MD had 219 Medicare Part D claims for 158 beneficiaries; the average among emergency medicine physician prescribers was 355. Part D covers Medicare prescriptions only.

What is Sean Mayo, MD's Medicare quality score?

The 2023 MIPS final score is 97.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.