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

Dr. James R Siefer, DO

Individual provider Urology Physician · NPI 1508846627

Dr. James R Siefer, DO is an Urology in Chandler, Arizona. Graduated from Midwestern University, Chicago College of Osteopathic Med in 1973, 53 years ago. Practices with Arizona State Urological Institute LLC, a 17-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
53
Trained at
Midwestern University, Chicago College of Osteopathic Med
Licensed in
AZ
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

485 S Dobson Rd Ste 103
Chandler, AZ 85224-5603
Phone: (480) 963-2026
Fax: (480) 963-5841
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence 1930 (AZ)

Record details

NPI number1508846627
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJanuary 17, 2006
Last updated in NPPESJune 7, 2012
Mailing address2730 S Val Vista Dr, Bldg.#13, Suite 177, Gilbert, AZ 85295-1675

Medicare enrollment

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

Medicare specialtyUROLOGY
Medical schoolMIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
Graduated 1973 (53 years in practice)
Group practice Arizona State Urological Institute Llc — 17 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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