Physician Profile
Chien Chiang, M.D.
Unclaimed ProfileAbout Dr. Chiang
Chien Chiang, M.D. practices gastroenterology in New York, NY. Chien is a 1987 graduate of State University of New York at Stony Brook, School of Medicine. Medicare claims data shows Chien provided 1,268 services to 887 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, insertion of needle into vein for collection of blood sample, and routine electrocardiogram (ecg) using at least 12 leads with interpretation and report.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
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.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (212) 941-7856
- Email not available
Practice Locations
109 LAFAYETTE ST SUITE 701
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
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
Procedures Most Often Billed to Medicare
1,268 services · 887 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
188 | More than most peers in Gastroenterology |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
25 | Less often than most peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
16 | Less often than most peers in Gastroenterology |
| Limited ultrasound scan behind abdominal cavity | Imaging | 76775 |
14 | Too few peers to compare |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
80 | As often as other peers in Gastroenterology |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
72 | Too few peers to compare |
| Test to assess middle ear muscle reflex | Treatment | 92568 |
70 | Too few peers to compare |
| Test for hearing various pitches using earphone | Treatment | 92552 |
70 | Too few peers to compare |
| Injection of drug or substance into vein | Treatment | 96374 |
42 | Too few peers to compare |
| Administration of vaccine | Treatment | 90471 |
38 | Too few peers to compare |
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.
Other gastroenterologists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
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.
More connections — 32 related providers in 4 groups
Other gastroenterologists in New York 8
Same specialty, same city.
Trained at State University of New York at Stony Brook, School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1987 at State University of New York at Stony Brook, School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in NY who bill this service to Medicare most often.
Common questions
What is Chien Chiang's specialty?
Chien Chiang is a gastroenterologist in New York, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where can I find Chien Chiang?
Chien Chiang is listed at 109 Lafayette St Suite 701, New York, NY 10013. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Chien Chiang?
The number on file is (212) 941-7856. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Chien Chiang?
Chien Chiang's National Provider Identifier is 1255341723. 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 Chien Chiang's education?
Chien Chiang attended State University of New York at Stony Brook, School of Medicine, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Chien Chiang have?
Chien Chiang has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What is Chien Chiang known for?
According to Medicare billing data, Chien Chiang 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; reads or performs imaging such as limited ultrasound scan behind abdominal cavity; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and test to measure expiratory airflow and volume, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Chien Chiang's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Chien Chiang. 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.