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

Joseph M Zasik, DO

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1255380028

Joseph M Zasik, DO is a Critical Care (Intensivists) in Tyler, Texas. Graduated from Philadelphia College of Osteopathic Medicine in 1977, 49 years ago. Practices with Christus Trinity Clinic, a 1,531-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Pennsylvania and Texas.

Years since qualifying
49
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
PA, TX
In the registry since
2006
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

619 S Fleishel Ave
Tyler, TX 75701-2004
Phone: (903) 606-2299
Show map & directions

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

Additional practice locations (3)

  • 18780 Interstate 20, Canton, TX 75103-3593 — (903) 567-4841
  • 2026 S Jackson St, Jacksonville, TX 75766-5822 — (903) 586-5678
  • 800 E Dawson St, Tyler, TX 75701-2036 — (903) 525-1914

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence G4072 (TX)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence OS004057L (PA)

Record details

NPI number1255380028
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 9, 2006
Last updated in NPPESFebruary 3, 2023
Certification dateFebruary 3, 2023
Mailing addressPo Box 846098, Dallas, TX 75284-6098

Medicare enrollment

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

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Also practisesPULMONARY DISEASE
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1977 (49 years in practice)
Group practice Christus Trinity Clinic — 1531 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations11 on file with Medicare

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