NPPES file of Aug 9, 2026

Spencer Cohen Rushton, DO

Emergency Medicine Physician · Tucson, AZ

Spencer Cohen Rushton, DO is an emergency medicine physician with a practice address in Tucson, Arizona, and NPI 1023691433, issued on May 3, 2021. Check the license (Arizona R3577, 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
1023691433
Name
Spencer Cohen Rushton
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
R3577 AZ
Self-reported in NPPES; status is on the state search
Practice location
2800 E Ajo Way, Tucson, AZ 85713
Phone
(520) 874-2000
Enumerated
May 3, 2021
Record last updated
May 3, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20240606002232); accepts Medicare assignment
Medical or professional school
Kansas City University Of Physicians And Surgeons, 2021
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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Also registered at 2800 E Ajo Way

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

  1. Anabel Aguayo, LCSWClinical Social Worker1023526290
  2. Nicholas Ahrendt, M.D.Psychiatry Physician1043744998
  3. Samantha AkersPsychiatry Physician1609700061
  4. Sommer Aldulaimi, M.D.Family Medicine Physician1194013813
  5. Abdulaziz Almulhim, PHARMDPharmacist1063931194
  6. Beyann Alzoubi, MDPsychiatry Physician1528757887

Verify Spencer Cohen Rushton in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license R3577
    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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63% fewer Medicare Part D claims than the average emergency medicine physician in 2024

84 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.

  1. Spencer Rushton84
  2. Specialty average226

Most prescribed

  1. Cephalexin17 claims
  2. Cefdinir13 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.

Bills Medicare through one group practice

  1. EM Alliance California ApcWildomar, CA

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

Spencer Cohen Rushton among 1,494 emergency medicine physician records in Arizona

Spencer Cohen Rushton, DO 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 2021, is newer than 84% of them.

  • NPI issued2021 · 84% of these records are older, 11% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2021 · median 2014 among the 828 with a school on file
  • Record last updated2021 · 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. Matthew Berkman, M.D.Tucson, AZ 857131992739643
  2. Santosh Davies, MDTucson, AZ 857131063485357
  3. Kurt Denninghoff, MDTucson, AZ 857131518948843
  4. Isaac Farrell, MDTucson, AZ 857131053587881
  5. Kristi Grall, MDTucson, AZ 857131851342604
  6. Thomas Kinane, M.DTucson, AZ 857131366462954
  7. Bernhard Knoblich, MDTucson, AZ 857131518066802
  8. Kevin Maxey, MDTucson, AZ 857131720187263

Common questions

What is Spencer Cohen Rushton, DO's NPI number?

Spencer Cohen Rushton, DO's National Provider Identifier (NPI) is 1023691433, issued on May 3, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Spencer Cohen Rushton, DO located?

The NPPES record lists a practice address at 2800 E Ajo Way, Tucson, AZ, 85713. Phone: (520) 874-2000. Providers update this record themselves, so call before visiting.

How can I verify Spencer Cohen Rushton, DO's license?

NPPES lists Arizona license number R3577, 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 Spencer Cohen Rushton, DO prescribe under Medicare Part D?

In 2024, Spencer Cohen Rushton, DO had 84 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.