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

Randy Horwitz, MD, PHD

Individual provider Allergy & Immunology (Internal Medicine) Physician · NPI 1194790493

Randy Horwitz, MD, PHD is an Internal Medicine in Tucson, Arizona. Graduated from University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb) in 1990, 36 years ago. Practices with Banner-University Medical Group, a 1,071-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Arizona.

Years since qualifying
36
Trained at
University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb)
Licensed in
AZ
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

1501 N Campbell Ave
Tucson, AZ 85724-0001
Phone: (520) 874-3500
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy & Immunology (Internal Medicine) Physician (primary) Taxonomy 207RA0201X · Licence 29958 (AZ)

Record details

NPI number1194790493
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedFebruary 21, 2006
Last updated in NPPESJune 21, 2013
Mailing address575 E River Rd, Tucson, AZ 85704-5822

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesALLERGY/IMMUNOLOGY
Medical schoolUNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Graduated 1990 (36 years in practice)
Group practice Banner-University Medical Group — 1071 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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