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

Individual provider Anesthesiology Physician · NPI 1538139738

Peter Thomas Kalos, MD is an Anesthesiology in Phoenix, Arizona. Graduated from Saint Louis University School of Medicine in 1991, 35 years ago. Practices with Ias Arizona PLLC, a 127-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
35
Trained at
Saint Louis University 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

1850 N Central Ave Ste 1600
Phoenix, AZ 85004-4633
Phone: (602) 744-4765
Fax: (602) 744-4799
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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 22671 (AZ)

Record details

NPI number1538139738
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 23, 2006
Last updated in NPPESSeptember 25, 2013

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolSAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1991 (35 years in practice)
Group practice Ias Arizona Pllc — 127 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

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