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

Thomas A Ateshim, MD

Individual provider Internal Medicine Physician · NPI 1144392143

Thomas A Ateshim, MD is an Internal Medicine in Peoria, Arizona. Qualified in 1991, 35 years ago. Practices with Affiliated Internal Medicine Associates LLC, a 4-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
35
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

13350 N 94th Dr Ste A101
Peoria, AZ 85381-4826
Phone: (623) 974-1500
Fax: (623) 933-3383
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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 30854 (AZ)

Record details

NPI number1144392143
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 14, 2006
Last updated in NPPESSeptember 3, 2010
Mailing address13350 N 94th Dr, Suite A101, Peoria, AZ 85381-4826

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Group practice Affiliated Internal Medicine Associates Llc — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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