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

Christian James Sullivan, DO

Individual provider Internal Medicine Physician · NPI 1659669273

Christian James Sullivan, DO is a Gastroenterology in Bristol, Tennessee. Graduated from Philadelphia College of Osteopathic Medicine in 2011, 15 years ago. Practices with Gastroenterology Associates, a 28-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Michigan and Tennessee.

Years since qualifying
15
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
MI, TN
In the registry since
2011
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.

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Practice location Address checks out

235 Medical Park Blvd
Bristol, TN 37620
Phone: (423) 274-6350
Fax: (423) 274-6354
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 6245 Inkster Rd, Garden City, MI 48135-4001 — (734) 421-3300
  • 235 Medical Park Blvd, Bristol, TN 37620 — (423) 274-6350
  • 616 Campus Dr, Abingdon, VA 24210-9706 — (423) 274-6350

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 003724 (TN)
Internal Medicine Physician Taxonomy 207R00000X · Licence 5101019440 (MI)

Record details

NPI number1659669273
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 17, 2011
Last updated in NPPESOctober 3, 2019
Mailing address135 W Ravine Rd Ste 3-A, Kingsport, TN 37660-3847

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2011 (15 years in practice)
Group practice Gastroenterology Associates — 28 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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