Physician Profile
Unclaimed ProfileAbout CHUM
Christopher Chum, D.O. practices gastroenterology in Brooklyn, NY. Christopher is a 2013 graduate of New York College of Osteo Medicine of New York Institute of Technology. According to Medicare claims data, Christopher cared for 323 Medicare patients across 418 services.
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
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (718) 616-3000
- Email not available
Practice Locations
2601 OCEAN PKWY
Brooklyn, NY 11235
Procedures Most Often Billed to Medicare
418 services · 323 patients · 13 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
19 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
16 |
| Exam of common bile and/or pancreatic duct using a flexible endoscope | Procedure | 43273 |
13 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
13 |
| Review by radiologist of image from tube placement into bile duct using an endoscope | Imaging | 74328 |
12 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
163 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
82 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
19 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
19 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
17 |
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.
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 Brooklyn 8
Same specialty, same city.
Trained at New York College of Osteo Medicine of New York Institute of Technology 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2013 at New York College of Osteo Medicine of New York Institute of Technology 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 NY who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Chum?
Dr. Chum is a gastroenterology in Brooklyn, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
What is Dr. Chum's address?
Dr. Chum is listed at 2601 OCEAN PKWY, Brooklyn, NY 11235. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Chum?
The number on file is (718) 616-3000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Chum's NPI number?
Dr. Chum's National Provider Identifier is 1144669532. 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. Chum train?
Dr. Chum attended New York College of Osteo Medicine of New York Institute of Technology, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Chum been practicing?
Dr. Chum has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Chum perform?
According to Medicare billing data, Dr. Chum performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, biopsy of large bowel using a flexible endoscope and exam of common bile and/or pancreatic duct using a flexible endoscope; reads or performs imaging such as review by radiologist of image from tube placement into bile duct using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Chum confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chum. 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.