npidexNPI registry + Medicare data

MICHAEL ZEREGA, MD

Gastroenterology Physician · LAKE ST LOUIS, MO

Individual Active NPI 1073505178

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
2024373552$367,988$82,508$65,089
2023365593$371,689$85,500$68,514
2022382624$364,516$90,086$70,451

Top procedures (2024)

HCPCSDescriptionServicesAvg allowedAvg paid
45385Removal of polyps or growths of large bowel using an endoscope with mechanical snare131$241$199
99214Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more63$122$76
99213Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more57$87$53
43239Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope43$79$56
G0105Colorectal cancer screening; colonoscopy on individual at high risk34$174$174
45385Removal of polyps or growths of large bowel using an endoscope with mechanical snare28$255$203
99203New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more20$103$62
45380Biopsy of large bowel using a flexible endoscope19$89$72
91010Study of esophagus to assess movement15$61$46
43249Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm14$101$81
G0121Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk14$174$174
99204New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more11$158$97

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Gastroenterology Physician207RG0100X✓2000154596MO

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.