npidexNPI registry + Medicare data

ALONZO WILLIAMS, M.D.

Gastroenterology Physician · LITTLE ROCK, AR

Individual Active NPI 1326018581

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
20244322,956$518,975$273,910$211,973
20236816,279$1,151,326$463,052$364,031
20227837,980$1,462,260$562,403$436,615

Top procedures (2024)

HCPCSDescriptionServicesAvg allowedAvg paid
99439Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month925$45$36
99490Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month534$52$40
99213Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more274$84$63
76700Complete ultrasound scan of abdomen163$105$80
43450Dilation of esophagus143$85$69
43239Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope127$337$269
99214Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more122$120$90
43450Dilation of esophagus118$36$28
43239Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope110$125$87
99454Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days51$42$34
45380Biopsy of large bowel using a flexible endoscope47$183$135
99457Management using the results of remote vital sign monitoring per calendar month, first 20 minutes44$46$37

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Gastroenterology Physician207RG0100X✓C5546AR

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