Physician Profile
Mark Chu, DO
Unclaimed ProfileAbout Dr. Chu
Mark Chu, DO is a healthcare provider in New York, NY specializing in gastroenterology. Medicare claims data shows Mark provided 185 services to 180 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
- (212) 219-8031
- Email not available
Practice Locations
13-17 ELIZABETH STREET STE 608
New York, NY 10013
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
- Difficulty Swallowing
- Hemorrhoids
- Irritable Bowel Syndrome
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Autoimmune Hepatitis
- Cirrhosis
- Enlarged Veins in Esophagus
- Fatty Liver Disease
- Fluid in Abdomen
- Hepatitis B
- Hepatitis C
- Iron Overload
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Most searched procedures
Lower endoscopy
- Colon Polyp Removal
- Endoscopic Treatment for GI Bleeding
- Flexible Sigmoidoscopy
Upper endoscopy
- Advanced Polyp Removal
- Stretching the Esophagus
Capsule and physiology testing
- Esophageal Motility Test
- Pelvic Floor Muscle Test
- Pill Camera Endoscopy
Diagnostic Testing
Liver procedures
- Abdominal Fluid Drainage
- Esophageal Banding
- FibroScan
Treatments
Procedures Most Often Billed to Medicare
185 services · 180 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
36 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
29 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
12 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
38 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
32 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
20 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
18 |
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 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 2
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 New York 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1993 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of large bowel using a flexible endoscope 8
Providers in NY who bill this service to Medicare most often.
- Saratoga Schenectady Endoscopy Center, LLC
- Carnegie Hill Endoscopy LLC
- Yorkville Endoscopy, LLC
- Digestive Diseases Diagnostic & Treatment Center LLC
- Great South Bay Endoscopy Center, LLC
- Endoscopy Center of Long Island LLC
- St. Peter'S Ambulatory Surgery Center LLC
- Long Island Digestive Endoscopy Center, LLC
Common questions
What does Dr. Chu specialize in?
Dr. Chu is a gastroenterology in New York, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Where is Dr. Chu located?
Dr. Chu is listed at 13-17 ELIZABETH STREET STE 608, New York, NY 10013. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Chu's phone number?
The number on file is (212) 219-8031. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Chu?
Dr. Chu's National Provider Identifier is 1588755565. 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 Dr. Chu go to medical school?
Dr. Chu attended Other, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Chu have?
Dr. Chu has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Chu do most often?
According to Medicare billing data, Dr. Chu performs procedures including biopsy of large bowel using a flexible endoscope, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope and removal of polyps or growths of large bowel using an endoscope with mechanical snare, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Chu's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chu. 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.