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

Dr. James Gregory Vretis II, DO

Individual provider Emergency Medicine Physician · NPI 1184691214

Dr. James Gregory Vretis II, DO is an Emergency Medicine in San Angelo, Texas. Graduated from University of North Texas Hsc, College of Osteopathic Med in 1979, 47 years ago. Practices with Shannon Clinic, a 547-clinician group and accepts Medicare assignment. Licensed in Kansas and Texas.

Years since qualifying
47
Trained at
University of North Texas Hsc, College of Osteopathic Med
Licensed in
KS, 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

120 E Harris Ave
San Angelo, TX 76903-5904
Phone: (325) 658-1511
Fax: (325) 481-2166
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence F4638 (TX)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 0531753 (KS)

Record details

NPI number1184691214
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 7, 2006
Last updated in NPPESJuly 31, 2014

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF NORTH TEXAS HSC, COLLEGE OF OSTEOPATHIC MED
Graduated 1979 (47 years in practice)
Group practice Shannon Clinic — 547 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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