JOHN GREHAN, MD PHD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · SIOUX FALLS, SD

Individual Active NPI 1275549784

Medicare payment data Part B · 2024

Year	Beneficiaries	Services	Submitted	Allowed	Paid
2024	184	360	$1,017,578	$169,724	$134,880
2023	141	277	$666,086	$119,780	$95,108
2022	142	301	$792,739	$141,750	$112,173

HCPCS	Description	Services	Avg allowed	Avg paid
33361	Replacement of aortic valve through the skin and femoral artery	74	$662	$528
99223	Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	29	$161	$120
99205	New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	27	$171	$135
33508	Harvest of vein using an endoscope	26	$14	$11
33533	Coronary artery bypass using artery graft, 1 graft	26	$1,421	$1,134
33268	Exclusion of appendage of left upper chamber of heart performed during other procedure on chest	19	$113	$90
99222	Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	$123	$98
33518	Coronary artery bypass using vein or artery graft, 2 grafts	15	$355	$283
99204	New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	$160	$128
99204	New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	$125	$90

Specialty	Code	Primary	License	State
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician	208G00000X	✓	13118	SD
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician	208G00000X		35.088377	OH

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