npidexNPI registry + Medicare data

MARK MATTAR, MD

Gastroenterology Physician · WASHINGTON, DC

Individual Active NPI 1841401031

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
2024227330$202,228$57,772$45,595
2023216339$210,383$60,222$46,807
2022252378$232,850$72,430$55,489

Top procedures (2024)

HCPCSDescriptionServicesAvg allowedAvg paid
99215Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more80$204$149
45380Biopsy of large bowel using a flexible endoscope48$195$159
99223Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes34$192$151
43239Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope33$107$85
45385Removal of polyps or growths of large bowel using an endoscope with mechanical snare21$268$227
99214Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more13$149$103
G2211Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's12$19$15
99204New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more11$195$144

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Gastroenterology Physician207RG0100X✓MD036652DC
Gastroenterology Physician207RG0100X0101247425VA
Gastroenterology Physician207RG0100XA95008CA

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.