Physician Profile
Based in Flushing, NY, Chung K. Ha, MD is listed in the NPI registry under gastroenterology. Chung graduated from Columbia University College of Physicians and Surgeons in 1991. According to Medicare claims data, Chung cared for 205 Medicare patients across 306 services. The services billed most often include insertion of needle into vein for collection of blood sample, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
15615 35TH AVE
Flushing, NY 11354
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
306 services · 205 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
83 | More often than most peers in Gastroenterology |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
22 | |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
15 | |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
66 | As often as other peers in Gastroenterology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
53 | As often as other peers in Gastroenterology |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
46 | More often than most peers in Gastroenterology |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
21 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Ha is a gastroenterologist in Flushing, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Dr. Ha is listed at 15615 35Th Ave, Flushing, NY 11354. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (718) 463-6134. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Ha's National Provider Identifier is 1871653782. 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
Dr. Ha attended Columbia University College of Physicians and Surgeons, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
Dr. Ha has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Ha performs procedures including insertion of needle into vein for collection of blood sample, 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
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ha. 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.