GREGORY GERRISH, M.D.

Surgery Physician · WATERTOWN, SD

Individual Active NPI 1992097703

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
2024296644$640,065$113,730$91,466
2023319696$590,982$112,011$90,134
2022320628$579,723$112,668$90,395

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 more67$62$47
43239Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope62$81$63
45385Removal of polyps or growths of large bowel using an endoscope with mechanical snare55$206$172
99203New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more45$77$58
43235Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope29$80$64
45378Diagnostic exam of large bowel using a flexible endoscope23$160$125
G0105Colorectal cancer screening; colonoscopy on individual at high risk22$169$169
99221Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes20$77$61
99214Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more19$92$69
G0121Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk18$164$164
45380Biopsy of large bowel using a flexible endoscope18$147$119
43249Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm15$118$94

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Surgery Physician208600000X10080SD
Student in an Organized Health Care Education/Training Program390200000X

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.