Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Juan Arturo Siordia Jr., MD

Individual provider Interventional Cardiology Physician · NPI 1841679370

Dr. Juan Arturo Siordia Jr., MD is a Cardiovascular Disease (Cardiology) in Tucson, Arizona. Graduated from University of Arizona College of Medicine in 2015, 11 years ago. Practices with Santiago C Ramirez MD PLLC, a 3-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
11
Trained at
University of Arizona College of Medicine
Licensed in
AZ
In the registry since
2015
Specialties on file
3
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

3925 E Fort Lowell Rd Ste 105
Tucson, AZ 85712-1053
Phone: (520) 229-0085
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Interventional Cardiology Physician (primary) Taxonomy 207RI0011X · Licence 56229 (AZ)
Internal Medicine Physician Taxonomy 207R00000X · Licence 56229 (AZ)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 56229 (AZ)

Record details

NPI number1841679370
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 29, 2015
Last updated in NPPESSeptember 3, 2025
Certification dateSeptember 3, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF ARIZONA COLLEGE OF MEDICINE
Graduated 2015 (11 years in practice)
Group practice Santiago C Ramirez Md Pllc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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