npidexNPI registry + Medicare data

DEAN CHANG, MD

Gastroenterology Physician · HAMDEN, CT

Individual Active NPI 1770564247

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
20242563,027$444,189$115,900$92,867
20232521,619$350,815$84,917$66,606
20222611,171$310,006$79,149$61,967

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 more136$99$69
43239Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope54$104$85
45380Biopsy of large bowel using a flexible endoscope51$165$139
45385Removal of polyps or growths of large bowel using an endoscope with mechanical snare40$271$229
99203New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more37$122$84
G0105Colorectal cancer screening; colonoscopy on individual at high risk23$199$199
G0121Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk17$200$200
99202New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more13$78$39

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Gastroenterology Physician207RG0100X✓034043CT

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.