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

Mark R Bielefeld, MD

Individual provider Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · NPI 1538255229

Mark R Bielefeld, MD is a Thoracic Surgery in Corpus Christi, Texas. Graduated from Medical College of Wisconsin in 1988, 38 years ago. Practices with J Mark Morales MD PA, a 4-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
38
Trained at
Medical College of Wisconsin
Licensed in
TX
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1224 3rd St Ste 1
Corpus Christi, TX 78404-2354
Phone: (361) 854-0201
Fax: (361) 855-7572
Show map & directions

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

Specialties & licences

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (primary) Taxonomy 208G00000X · Licence L1528 (TX)

Record details

NPI number1538255229
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 4, 2006
Last updated in NPPESOctober 21, 2016
Mailing addressPo Box 30104, Corpus Christi, TX 78463-0104

Medicare enrollment

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

Medicare specialtyTHORACIC SURGERY
Also practisesCARDIAC SURGERY, VASCULAR SURGERY
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 1988 (38 years in practice)
Group practice J Mark Morales Md Pa — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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