npidexNPI registry + Medicare data

CHUN WANG LAM, MD

Gastroenterology Physician · TRUMBULL, CT

Individual Active NPI 1255394680

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
2024416921$584,340$125,896$101,277
2023409757$565,173$116,602$90,917
2022438888$624,534$133,563$104,038

Top procedures (2024)

HCPCSDescriptionServicesAvg allowedAvg paid
99213Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more180$96$71
G2211Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's152$18$14
45385Removal of polyps or growths of large bowel using an endoscope with mechanical snare86$267$226
99214Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more79$138$109
43239Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope54$103$79
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes48$126$102
99203New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more26$121$81
43264Removal of stone or debris from bile or pancreatic duct using a flexible endoscope24$115$93
43274Insertion of stent into pancreatic or bile duct using a flexible endoscope23$447$360
G0105Colorectal cancer screening; colonoscopy on individual at high risk22$194$194
99222Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes22$139$111
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes19$84$68

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Gastroenterology Physician207RG0100X✓040235CT
Gastroenterology Physician207RG0100X208229NY
Internal Medicine Physician207R00000X040235CT

Medicare eligibility

Part B
Yes
DME
Yes
Home health
Yes
Power mobility
Yes
Hospice
Yes

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Source: NPPES (public domain) and CMS Medicare Physician & Other Practitioners data. Not affiliated with CMS, NPPES, or any government agency.