Doctor profile · Federal record

Dr. Christian Sullivan, D.O.

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Bristol, TN

  • NPI 1659669273
  • Accepts Medicare
  • 15 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
235 Medical Park Blvd
Bristol, TN 37620
(423) 274-6350
fax (423) 274-6354
Additional location
6245 Inkster RD
Garden City, MI 481354001
(734) 421-3300
Additional location
616 Campus Dr
Abingdon, VA 242109706
Mailing address
135 W Ravine RD Ste 3-A
Kingsport, TN 376603847

Credentials & registration

NPPES · NUCC
NPI registered
July 2011 — 15 yrs on file
Profile last updated
October 3, 2019
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Tennessee #003724 · Michigan #5101019440

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659669273. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,919
Distinct HCPCS
10
Medicare allowed
$136,750
HCPCS Description Services Patients Avg allowed
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 612 59 $45
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 343 60 $59
88305 Pathology examination of tissue using a microscope, intermediate complexity 244 125 $31
99214 Established patient office or other outpatient visit, 30-39 minutes 226 150 $119
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 78 77 $123
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 59 12 $45
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 51 12 $45
45378 Diagnostic exam of large bowel using a flexible endoscope 47 46 $167
45380 Biopsy of large bowel using a flexible endoscope 41 41 $147
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 39 39 $236

In context: peer comparison

Among 5 peers in this city , average services per provider: 123. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$449
Transactions
27
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 11 $181.18
Salix Pharmaceuticals, a division of Bausch Health US, LLC 5 $77.78
Intercept Pharmaceuticals, Inc. 3 $47.11
AIMMUNE THERAPEUTICS, INC. 2 $45.69
Lilly USA, LLC 2 $32.69
Janssen Biotech, Inc. 1 $18.66
Ferring Pharmaceuticals Inc. 1 $16.48
Phathom Pharmaceuticals, Inc. 1 $15.59
Gilead Sciences, Inc. 1 $14.15

By nature of payment

Food and Beverage
$449

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,144
Patients
501
Total drug cost
$94,166
Drug Type Claims Patients Total cost
Omeprazole Generic 285 102 $4,940
Pantoprazole Sodium Generic 223 83 $3,692
Ondansetron Hcl Generic 183 175 $312
Colestipol Hcl Generic 122 38 $7,814
Sucralfate Generic 58 34 $2,086
Dexlansoprazole Dr (Dexlansoprazole) Brand 41 11 $14,276
Esomeprazole Magnesium Generic 39 15 $2,082
Dicyclomine Hcl Generic 34 17 $1,273
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 29 0 $885
Linzess (Linaclotide) Brand 29 11 $33,381

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Christian Sullivan's medical specialty?
Dr. Christian Sullivan practices Gastroenterology Physician in Bristol, TN.
Where does Dr. Christian Sullivan practice?
Dr. Christian Sullivan practices at 235 Medical Park Blvd, Bristol, TN 37620. Office phone: 4232746350.
What is Dr. Christian Sullivan's NPI?
Dr. Christian Sullivan's National Provider Identifier (NPI) is 1659669273, issued by NPPES.
Does Dr. Christian Sullivan accept Medicare assignment?
Yes. Dr. Christian Sullivan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christian Sullivan commonly perform?
Top Medicare-reported procedures in 2023: Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (HCPCS 99439); Chronic care management services (HCPCS 99490); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305). Source: CMS Medicare Physician & Other Practitioners file.