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Edit this profileAt a glance
- 2204 Pavilion Dr Ste 108, Kingsport, TN 37660
About Dr. Sullivan
Michael J. Sullivan, M.D. is a healthcare provider in Kingsport, TN specializing in gastroenterology. Michael trained at Icahn School of Medicine at Mount Sinai, graduating in 1979. According to Medicare claims data, Michael cared for 342 Medicare patients across 357 services. The services billed most often include biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, dilation of esophagus, and colorectal cancer screening; colonoscopy on individual at high risk. This provider record is associated with NPI 1326023078.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (423) 392-6100
- Email not available
Practice Locations
2204 PAVILION DR STE 108
Kingsport, TN 37660
Conditions Commonly Evaluated or Treated
Within Gastroenterology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
Procedures Most Often Billed to Medicare
357 services · 342 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
164 | More than most peers in Gastroenterology |
| Dilation of esophagus | Procedure | 43450 |
90 | More than most peers in Gastroenterology |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
30 | More often than most peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
26 | Less often than most peers in Gastroenterology |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
36 | More often than most peers in Gastroenterology |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Billing code | G0121 |
11 | Less often than most peers in Gastroenterology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other gastroenterologists in Kingsport 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Icahn School of Medicine at Mount Sinai 8
Other providers in the same specialty who trained at the same institution.
Class of 1979 at Icahn School of Medicine at Mount Sinai 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in TN who bill this service to Medicare most often.
Common questions
What kind of doctor is Michael J. Sullivan?
Michael J. Sullivan is a gastroenterologist in Kingsport, TN. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
What is Michael J. Sullivan's address?
Michael J. Sullivan is listed at 2204 Pavilion Dr Ste 108, Kingsport, TN 37660. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Michael J. Sullivan?
The number on file is (423) 392-6100. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Michael J. Sullivan's NPI number?
Michael J. Sullivan's National Provider Identifier is 1326023078. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Michael J. Sullivan train?
Michael J. Sullivan attended Icahn School of Medicine at Mount Sinai, graduating in 1979. This comes from the CMS National Downloadable File.
CMS public data
How long has Michael J. Sullivan been practicing?
Michael J. Sullivan has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.
CMS public data
What procedures does Michael J. Sullivan perform?
According to Medicare billing data, Michael J. Sullivan performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, dilation of esophagus and diagnostic exam of large bowel using a flexible endoscope. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Michael J. Sullivan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Michael J. Sullivan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.