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

Marek Walczak, MD

Individual provider Hospitalist Physician · NPI 1083840375

Marek Walczak, MD is an Internal Medicine in Plainview, Texas. Qualified in 1988, 38 years ago. Practices with Hospitalist Medicine Physicians of Texas PLLC, a 701-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
38
Licensed in
TX
In the registry since
2009
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2601 Dimmitt Rd
Plainview, TX 79072-1833
Phone: (806) 296-5531
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence N0537 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence N0537 (TX)

Record details

NPI number1083840375
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 1, 2009
Last updated in NPPESJuly 1, 2026
Certification dateJuly 1, 2026
Mailing address1781 Spyglass Dr, Apt 246, Austin, TX 78746-6890

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1988 (38 years in practice)
Group practice Hospitalist Medicine Physicians Of Texas Pllc — 701 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount