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

Dr. Alexander Vladimirovich Iskrenko, MD, PHD

Individual provider Internal Medicine Physician · NPI 1972798411

Dr. Alexander Vladimirovich Iskrenko, MD, PHD practises Internal Medicine in Amarillo, Texas. Qualified in 1983, 43 years ago. Practices with Hospital Medicine Services of Tx, PLLC, a 372-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
43
Licensed in
TX
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

3631 Brennan Blvd Apt 6F
Amarillo, TX 79121-1641 Not confirmed with CMS for 15 years — call before visiting
Phone: (405) 255-5210
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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 N7285 (TX)
Hospitalist Physician Taxonomy 208M00000X · Licence N7285 (TX)

Record details

NPI number1972798411
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedSeptember 7, 2007
Last updated in NPPESSeptember 30, 2011

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1983 (43 years in practice)
Group practice Hospital Medicine Services Of Tx, Pllc — 372 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients339
Services billed 1,158 a service is one billed item, such as a visit, a test or a procedure
Average patient age76

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Methodist Hospital Hospital · San Antonio, TX

Also affiliated with 1 inpatient rehabilitation facility, which CMS identifies by certification number only.

Colleagues at Hospital Medicine Services of Tx, PLLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 372 clinicians in the practice; 12 are shown here.

Other providers in Amarillo