npidexNPI registry + Medicare data

GREGORY MCCARTHY, M.D.

Gastroenterology Physician · MANCHESTER, NH

Individual Active NPI 1942393525

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
2024309394$260,231$59,009$49,235
2023190318$366,550$38,480$33,553
2022211327$349,187$44,546$36,131

Top procedures (2024)

HCPCSDescriptionServicesAvg allowedAvg paid
43239Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope67$86$65
45380Biopsy of large bowel using a flexible endoscope61$175$144
45385Removal of polyps or growths of large bowel using an endoscope with mechanical snare53$245$201
G0121Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk41$178$178
G0105Colorectal cancer screening; colonoscopy on individual at high risk37$178$178
99221Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes28$81$60
45378Diagnostic exam of large bowel using a flexible endoscope21$179$121
43235Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope21$102$80
43248Insertion of guide wire with dilation of esophagus using a flexible endoscope13$143$114

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Gastroenterology Physician207RG0100X✓7256NH
Geriatric Medicine (Internal Medicine) Physician207RG0300XCDR.0000643CO
Gastroenterology Physician207RG0100XCDR.0000643CO

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.