Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
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Ronald Bierma, MD

Individual provider Anesthesiology Physician · NPI 1629000369

Ronald Bierma, MD is an Anesthesiology Physician in Peoria, Arizona. Practices as a sole proprietor. Licensed in Arizona and California.

Licensed in
AZ, CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

13183 W Lone Tree Trl
Peoria, AZ 85383-5425
Phone: (559) 284-8623
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 19317 (AZ)
Anesthesiology Physician Taxonomy 207L00000X · Licence A43625 (CA)

Record details

NPI number1629000369
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 6, 2006
Last updated in NPPESDecember 20, 2025
Certification dateDecember 20, 2025

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients79
Services billed 114 a service is one billed item, such as a visit, a test or a procedure
Average patient age73

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

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