Physician Profile
Based in Boone, NC, Marc L. Clark, M.D. is listed in the NPI registry under gastroenterology. Marc graduated from Medical University of South Carolina College of Medicine in 1980. Medicare claims data shows Marc provided 335 services to 308 patients. The services billed most often include initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes and subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
870 STATE FARM RD STE 102
Boone, NC 28607
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.
Most searched conditions
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
335 services · 308 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
229 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
106 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Marc L. Clark is a gastroenterologist in Boone, NC. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Marc L. Clark is listed at 870 State Farm Rd Ste 102, Boone, NC 28607. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (828) 264-0029. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Marc L. Clark's National Provider Identifier is 1609982081. 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
Marc L. Clark attended Medical University of South Carolina College of Medicine, graduating in 1980. This comes from the CMS National Downloadable File.
CMS public data
Marc L. Clark has 46 years experience. Calculated from a graduation year of 1980, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Marc L. Clark the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Marc L. Clark. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.