npidexNPI registry + Medicare data

CHANGJIAN CHEN, MD

Gastroenterology Physician · KOKOMO, IN

Individual Active NPI 1649223272

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
20246471,227$417,232$146,722$109,879
20237101,454$477,770$176,261$133,223
20226991,461$466,394$176,805$134,389

Top procedures (2024)

HCPCSDescriptionServicesAvg allowedAvg paid
99222Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes170$120$92
99204New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more145$155$109
99213Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more133$84$57
43235Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope103$91$72
45385Removal of polyps or growths of large bowel using an endoscope with mechanical snare73$226$170
43239Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope66$93$72
99214Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more61$115$78
99203New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more52$100$65
43450Dilation of esophagus51$36$29
45380Biopsy of large bowel using a flexible endoscope51$144$105
45378Diagnostic exam of large bowel using a flexible endoscope45$147$115
99212Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more36$52$30

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Gastroenterology Physician207RG0100X✓01049093AIN

Medicare eligibility

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

Other Gastroenterology Physician providers in Indiana

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