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

Madison Katherine Iskierka, MD

Individual provider Psychiatry Physician · NPI 1144962523

Madison Katherine Iskierka, MD is a Psychiatry in Phoenix, Arizona. Qualified in 2022, 4 years ago. Practices with Az Holding 4, LLC, a 14-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
4
Licensed in
AZ
In the registry since
2022
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

1300 N 12th St Ste 320
Phoenix, AZ 85006-2858
Phone: (602) 521-3050
Fax: (602) 521-3046
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 72776 (AZ)

Record details

NPI number1144962523
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 7, 2022
Last updated in NPPESJuly 9, 2026
Certification dateJuly 9, 2026

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Az Holding 4, Llc — 14 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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