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

Charles Patrick Theivagt, MD

Individual provider Otolaryngology Physician · NPI 1396840682

Charles Patrick Theivagt, MD is an Otolaryngology in Harlingen, Texas. Graduated from Southern Illinois University School of Medicine in 2003, 23 years ago. Practices with Renaissance Medical Foundation, a 175-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
23
Trained at
Southern Illinois University School of Medicine
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

510 Victoria Ln Ste 5
Harlingen, TX 78550-3231
Phone: (956) 362-8920
Fax: (956) 362-8935
Show map & directions

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

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence M3764 (TX)

Record details

NPI number1396840682
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 13, 2006
Last updated in NPPESMarch 17, 2026
Certification dateMarch 17, 2026
Mailing addressPo Box 749, Pharr, TX 78577-1614

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Medical schoolSOUTHERN ILLINOIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2003 (23 years in practice)
Group practice Renaissance Medical Foundation — 175 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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