NPI age
16 years
Enumerated 2009-06-01
● Active
Type 1 · Individual
Marek Walczak, M.D.
Walczak is 1 of 53 hospitalist providers in Austin and 1 of 1835 in Texas.
Primary specialty
Hospitalist
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2024-02-21
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 1835 active hospitalist providers in Texas.
NPI age
16 years
↑ 4 yr above median (12 yr)
State licenses
1 state
25% of peers hold multiple states
Subspecialties
1
In the 78% of peers with subspecialties
NPI lifetime · 2009 → 2026
2009-06Enumerated in NPPES
2009
2026
Where they practice
Practice location
1781 Spyglass Dr, Apt 246
Austin, TX 787466890
Mailing address
1781 Spyglass Dr, Apt 246
Austin, TX 787466890
Specialties
-
Hospitalist PrimaryHospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term...
-
Internal MedicineA physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
Practice context
Solo or small practice. No other active providers share this practice address in NPPES. This provider is listed as a sole proprietor.
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