Physician Profile
Nancy Lau, M.D. practices gastroenterology in New York, NY. Nancy is a 1993 graduate of State University of New York Downstate Medical Center. According to Medicare claims data, Nancy cared for 145 Medicare patients across 193 services. 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, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and biopsy of large bowel using a flexible endoscope.
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.
139 CENTRE ST STE 511
New York, NY 10013
115 Broadway Ste 1800
New York, NY 10006
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
193 services · 145 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
27 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
27 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
83 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
45 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Nancy Lau 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
Nancy Lau is listed at 139 Centre St Ste 511, New York, NY 10013. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (212) 388-1062. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Nancy Lau's National Provider Identifier is 1144208794. 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
Nancy Lau attended State University of New York Downstate Medical Center, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
Nancy Lau has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Nancy Lau performs procedures including biopsy of large bowel using a flexible endoscope and biopsy of esophagus, stomach, and/or upper small 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 Nancy Lau. 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.