npidexNPI registry + Medicare data

ALAN CHRISTENSEN, MD

Surgery Physician · WATERTOWN, SD

Individual Active NPI 1023097565

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
2024267514$628,513$74,928$60,369
2023283573$639,061$76,770$61,668
2022308702$740,427$91,458$71,662

Top procedures (2024)

HCPCSDescriptionServicesAvg allowedAvg paid
43239Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope78$87$67
45385Removal of polyps or growths of large bowel using an endoscope with mechanical snare68$230$192
G0500Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito53$5$4
G0105Colorectal cancer screening; colonoscopy on individual at high risk29$169$169
99203New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more28$107$67
99213Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more22$87$66
45380Biopsy of large bowel using a flexible endoscope21$112$91
99212Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more19$53$38
G0121Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk17$165$165
99214Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more15$123$88
99231Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes14$46$37
99204New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more13$160$95

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Surgery Physician208600000X✓5603SD

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.