npidexNPI registry + Medicare data

JOHN LAH, MD

Gastroenterology Physician · WHITTIER, CA

Individual Active NPI 1437221272

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
2024183414$207,144$59,266$45,286
2023164428$222,736$59,143$46,018
20223654$24,908$7,454$6,033

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 more113$102$77
99204New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more71$188$131
99214Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more50$145$107
43239Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope46$112$87
99203New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more29$128$97
45385Removal of polyps or growths of large bowel using an endoscope with mechanical snare29$277$218
45380Biopsy of large bowel using a flexible endoscope24$118$89
G0121Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk12$192$192

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Gastroenterology Physician207RG0100X✓A76371CA

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.