Madison Katherine Iskierka, MD
Psychiatry Physician · Phoenix, AZ
Madison Katherine Iskierka, MD is a psychiatry physician with a practice address in Phoenix, Arizona, and NPI 1144962523, issued on Apr 7, 2022. Check the license (Arizona 72776, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Madison Katherine Iskierka
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 72776 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1300 N 12TH St Ste 320, Phoenix, AZ 85006
- Phone
- (602) 521-3050
- Enumerated
- Apr 7, 2022
- Record last updated
- Jul 9, 2026
- Fax
- (602) 521-3046
- Medicare enrollment
- Enrolled (PECOS I20251024001634); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 942 in Arizona → Look up another NPI →
Also registered at 1300 N 12TH St Ste 320
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Madison Katherine Iskierka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 72776Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average psychiatry physician in 2024
33 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- AZ Holding 4, LLCScottsdale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Madison Katherine Iskierka among 942 psychiatry physician records in Arizona
Madison Katherine Iskierka, MD is one of 942 psychiatry physician records with a practice address in Arizona. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 91% of them.
- NPI issued2022 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 41% of these records are
- Graduated2022 · median 2007 among the 382 with a school on file
- Record last updated2026 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Arizona
There are 942 psychiatry physician records in Arizona.
All 942 in Arizona → Every provider in Phoenix → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Jeffrey Brichta, D.O.Phoenix, AZ 850061629204177
- Amanda Cattelino, MDPhoenix, AZ 850061902003726
- Matthew Cornelius, M.D.Phoenix, AZ 850061619946969
- Ahmed Elmaadawi, M.D.,Phoenix, AZ 850061114189305
- Dennis Friedman, D.O.Phoenix, AZ 850061376503235
- Samar Jasser, MDPhoenix, AZ 850061881750552
- Sandra Macdonald, MDPhoenix, AZ 850061447281639
- James McLoone, M.D.Phoenix, AZ 850061851360697
Common questions
What is Madison Katherine Iskierka, MD's NPI number?
Madison Katherine Iskierka, MD's National Provider Identifier (NPI) is 1144962523, issued on Apr 7, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Madison Katherine Iskierka, MD located?
The NPPES record lists a practice address at 1300 N 12TH St Ste 320, Phoenix, AZ, 85006. Phone: (602) 521-3050. Providers update this record themselves, so call before visiting.
How can I verify Madison Katherine Iskierka, MD's license?
NPPES lists Arizona license number 72776, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Madison Katherine Iskierka, MD prescribe under Medicare Part D?
In 2024, Madison Katherine Iskierka, MD had 33 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.