Physician Profile
Marc J Bernstein, M.D.
Unclaimed ProfileAbout Dr. Bernstein
Marc J Bernstein, M.D. is a healthcare provider in Saint Louis, MO specializing in gastroenterology. Marc trained at Washington University School of Medicine, graduating in 1992. Medicare claims data shows Marc provided 429 services to 405 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (314) 251-3380
- Email not available
Practice Locations
621 S NEW BALLAS RD STE 598A
Saint Louis, MO 63141
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
Biliary and pancreas
- Acute pancreatitis
- Cholangitis
- Chronic pancreatitis
- Common bile duct stones
- Gallstones
- Pancreatic cysts
- Primary biliary cholangitis
- Primary sclerosing cholangitis
Colon and anorectal
- Anal fissure
- Colon polyps
- Colorectal cancer
- Diverticulosis and uncomplicated diverticulitis
- Hemorrhoids
- Lower gastrointestinal bleeding
Esophagus and swallowing
- Achalasia
- Acid reflux (GERD)
- Barrett's esophagus
- Difficulty swallowing
- Eosinophilic esophagitis
- Esophageal stricture
- Esophagitis
Functional bowel and motility
- Chronic constipation
- Chronic diarrhea
- Fecal incontinence
- Intestinal pseudo-obstruction
- Irritable bowel syndrome
- Small intestinal bacterial overgrowth
Inflammatory and immune
Liver
- Alcohol-associated liver disease
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatic encephalopathy
- Hepatitis B
- Hepatitis C
- Metabolic dysfunction-associated steatohepatitis
- Portal hypertension
- Wilson disease
Stomach and duodenum
- Celiac disease
- Functional dyspepsia
- Gastritis
- Gastroparesis
- H. pylori infection
- Peptic ulcer disease
Procedures & services
Lower endoscopy
- Colon polyp removal
- Colonoscopy
- Diagnostic colonoscopy
- Endoscopic control of gastrointestinal bleeding
- Flexible sigmoidoscopy
- Screening colonoscopy
Upper endoscopy
- Endoscopic mucosal resection
- Endoscopic submucosal dissection
- Esophageal biopsy
- Esophageal dilation
- Stomach biopsy
- Upper endoscopy
Capsule and physiology testing
- Ambulatory reflux monitoring
- Anorectal manometry
- Capsule endoscopy
- Esophageal manometry
- Hydrogen and methane breath testing
Liver procedures
Procedures Most Often Billed to Medicare
429 services · 405 patients · 10 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
43 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
33 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
29 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
105 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
100 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
40 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
31 |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
17 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
16 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
15 |
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 6
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 gastroenterology specialists in Saint Louis 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Washington University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1992 at Washington University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of polyps or growths of large bowel using an endoscope with mechanical snare 8
Providers in MO who bill this service to Medicare most often.
Common questions
What is Dr. Bernstein's specialty?
Dr. Bernstein is a gastroenterology in Saint Louis, MO. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Where can I find Dr. Bernstein?
Dr. Bernstein is listed at 621 S NEW BALLAS RD STE 598A, Saint Louis, MO 63141. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Bernstein?
The number on file is (314) 251-3380. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Bernstein?
Dr. Bernstein's National Provider Identifier is 1336110543. 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
What is Dr. Bernstein's medical education?
Dr. Bernstein attended Washington University School of Medicine, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Bernstein have?
Dr. Bernstein has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Bernstein known for?
According to Medicare billing data, Dr. Bernstein performs procedures including removal of polyps or growths of large bowel using an endoscope with mechanical snare, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope and biopsy of large bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Bernstein's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Bernstein. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.