npidexNPI registry + Medicare data

DOUGLAS NGUYEN, MD

Gastroenterology Physician · MISSION VIEJO, CA

Individual Active NPI 1184880114

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
2024318946$450,397$143,050$113,891
2023313738$536,640$111,856$87,352
2022323710$471,371$98,687$75,970

Top procedures (2024)

HCPCSDescriptionServicesAvg allowedAvg paid
99214Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more345$138$106
43239Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope124$75$61
99204New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more122$178$140
45385Removal of polyps or growths of large bowel using an endoscope with mechanical snare102$221$187
99213Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more34$99$71
45380Biopsy of large bowel using a flexible endoscope32$106$88
43249Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm31$128$98
46221Removal of external hemorrhoids by rubber banding28$315$240
45390Removal of large bowel tissue using a flexible endoscope25$330$280
99203New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more23$120$87

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Gastroenterology Physician207RG0100X✓A113814CA
Internal Medicine Physician207R00000XA113814CA

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.