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

Dr. John Douglas Pappas, MD

Individual provider Cardiovascular Disease Physician · NPI 1033110234

Dr. John Douglas Pappas, MD is an Interventional Cardiology in Corpus Christi, Texas. Graduated from Texas Tech University Health Science Center School of Medicine in 1987, 39 years ago. Practices with Christus Trinity Clinic, a 1,531-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
39
Trained at
Texas Tech University Health Science Center School of Medicine
Licensed in
TX
In the registry since
2005
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1521 S Staples St Ste 700
Corpus Christi, TX 78404-3160
Phone: (361) 888-8271
Fax: (361) 885-3699
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (3)

  • 2520 E Main St Ste 200, Alice, TX 78332-4188 — (361) 661-1360
  • 7121 S Padre Island Dr Ste 112, Corpus Christi, TX 78412-4939 — (361) 561-0032
  • 1311 E General Cavazos Blvd Ste B, Kingsville, TX 78363-7129 — (361) 221-9341

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence H4600 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence H4600 (TX)
Interventional Cardiology Physician Taxonomy 207RI0011X · Licence H4600 (TX)

Record details

NPI number1033110234
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 10, 2005
Last updated in NPPESAugust 2, 2026
Certification dateMay 28, 2026
Mailing addressPo Box 846098, Dallas, TX 75284-6098

Medicare enrollment

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

Medicare specialtyINTERVENTIONAL CARDIOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolTEXAS TECH UNIVERSITY HEALTH SCIENCE CENTER SCHOOL OF MEDICINE
Graduated 1987 (39 years in practice)
Group practice Christus Trinity Clinic — 1531 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations8 on file with Medicare

Other providers in Corpus Christi