NPPES file of Aug 9, 2026

Bryan Michael Zimmerman Stilson, MD

Emergency Medicine Physician · Tucson, AZ

Bryan Michael Zimmerman Stilson, MD is an emergency medicine physician with a practice address in Tucson, Arizona, and NPI 1497375000, issued on Apr 23, 2020. Check the license (Arizona R77936, 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
1497375000
Name
Bryan Michael Zimmerman Stilson
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
R77936 AZ
Self-reported in NPPES; status is on the state search
Practice location
3950 S Country Club RD Ste 200, Tucson, AZ 85714
Phone
(520) 626-5582
Enumerated
Apr 23, 2020
Record last updated
Apr 23, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20230612000871); accepts Medicare assignment
Medical or professional school
University Of Arizona College Of Medicine, 2020
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 emergency medicine physician records → All 1,494 in Arizona → Look up another NPI →

Also registered at 3950 S Country Club RD Ste 200

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

  1. Robert Camarillo, DOEmergency Medicine Physician1689310989
  2. Nancy Cao, MDEmergency Medicine Physician1780473835
  3. Chane Cilliers, MDFamily Medicine Physician1558054437
  4. Joseph Demirjian, MDEmergency Medicine Physician1477127512
  5. Wendy DigiacintoEmergency Medicine Physician1598349342
  6. Gabrielle Gallegos, MDEmergency Medicine Physician1093508152

Verify Bryan Michael Zimmerman Stilson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license R77936    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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16% fewer Medicare Part D claims than the average emergency medicine physician in 2024

189 Medicare Part D claims for 136 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Bryan Stilson189
  2. Specialty average226

Most prescribed

  1. Ondansetron Odt32 claims
  2. Cephalexin29 claims
  3. Cefdinir15 claims
  4. Dicyclomine Hcl15 claims
  5. Meclizine Hcl12 claims
  6. Amoxicillin-Clavulanate Potass11 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 2 group practices

  1. Cep America-Arizona LLPTucson, AZ
  2. Sound Physicians Emergency Medicine OF Arizona IncTucson, AZ

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

Bryan Michael Zimmerman Stilson among 1,494 emergency medicine physician records in Arizona

Bryan Michael Zimmerman Stilson, MD 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 2020, is newer than 80% of them.

  • NPI issued2020 · 80% of these records are older, 16% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2020 · median 2014 among the 828 with a school on file
  • Record last updated2020 · 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.

All 1,494 in Arizona → Every provider in Tucson → Emergency Medicine Physician nationwide →

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Robert Camarillo, DOTucson, AZ 857141689310989
  2. Joseph Demirjian, MDTucson, AZ 857141477127512
  3. Wendy DigiacintoTucson, AZ 857141598349342
  4. Lisa Goldberg, M.D.Tucson, AZ 857141366829228
  5. Philipp Hannan, M.D.Tucson, AZ 857141013365675
  6. Kelcy Higa, M.D.Tucson, AZ 857141023465630
  7. Zachary JohnsonTucson, AZ 857141619545282
  8. Kyra Langhelm, DOTucson, AZ 857141467165183

Common questions

What is Bryan Michael Zimmerman Stilson, MD's NPI number?

Bryan Michael Zimmerman Stilson, MD's National Provider Identifier (NPI) is 1497375000, issued on Apr 23, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Bryan Michael Zimmerman Stilson, MD located?

The NPPES record lists a practice address at 3950 S Country Club RD Ste 200, Tucson, AZ, 85714. Phone: (520) 626-5582. Providers update this record themselves, so call before visiting.

How can I verify Bryan Michael Zimmerman Stilson, MD's license?

NPPES lists Arizona license number R77936, 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 Bryan Michael Zimmerman Stilson, MD prescribe under Medicare Part D?

In 2024, Bryan Michael Zimmerman Stilson, MD had 189 Medicare Part D claims for 136 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.

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.