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

Individual provider Internal Medicine Physician · NPI 1295793941

Dr. Roy Loewenstein, MD is an Internal Medicine in Tucson, Arizona. Graduated from University of Washington School of Medicine in 2001, 25 years ago. Practices with Arizona Community Physicians PC, a 164-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
25
Trained at
University of Washington School of Medicine
Licensed in
AZ
In the registry since
2006
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

2330 N Rosemont Blvd Unit B
Tucson, AZ 85712-2159
Phone: (520) 367-4299
Fax: (520) 367-4335
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 31081 (AZ)

Record details

NPI number1295793941
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 3, 2006
Last updated in NPPESJune 25, 2026
Certification dateJune 25, 2026

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 2001 (25 years in practice)
Group practice Arizona Community Physicians Pc — 164 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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