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Marek Walczak is one of 491 internal medicine physicians practicing in Austin, Texas .
Marek Walczak practices with Hospitalist Medicine Physicians Of Texas PLLC.
Registry record (NPPES)
NPI
1083840375
Type
Type 1 · Individual
Primary taxonomy
Hospitalist · 208M00000X
Address on file
2601 Dimmitt Rd Plainview, TX 79072-1833 (806) 296-5531
Enumerated
Jun 1, 2009
Record last updated
Jul 1, 2026
License states listed
TX
Medicare (CMS)
Enrollment
Medicare-enrolled in TXInternal Medicine
Revalidation due
No date set by CMS
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Part D prescribing
Procedure volumes by CPT code
Group affiliations and colleagues
Full enrollment history
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Practice locations
1201 W 38th St
Austin , TX 78705
(512) 324-1000
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Updated August 2026. Practice locations and specialty come from the CMS Doctors and Clinicians file, the registry record from NPPES, and enrollment from CMS Medicare enrollment files. NPI records are corrected at the source, through NPPES.
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