npidexNPI registry + Medicare data

MICHAEL DIAZ, M.D.

Gastroenterology Physician · HENDERSONVILLE, TN

Individual Active NPI 1427040021

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
2024160297$210,769$39,050$29,432
2023339595$501,557$75,700$61,229
2022329571$444,328$77,909$60,621

Top procedures (2024)

HCPCSDescriptionServicesAvg allowedAvg paid
45385Removal of polyps or growths of large bowel using an endoscope with mechanical snare69$237$190
43239Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope57$64$48
99214Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more44$120$73
99213Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more39$86$54
43249Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm23$112$91
45380Biopsy of large bowel using a flexible endoscope17$87$69
99203New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more13$105$48

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Gastroenterology Physician207RG0100X✓MD16303TN

Medicare participation

Enrolled in Medicare

CMS lists this provider as eligible to order and refer under Medicare. They billed Medicare Part B in 2024.

Enrolment status from public CMS files — not a guarantee of coverage for any particular patient or plan. We hold no commercial-insurance network data; confirm with the provider and your insurer before an appointment.

Part B
Yes
DME
Yes
Home health
Yes
Power mobility
Yes
Hospice
Yes

Other Gastroenterology Physician providers in Tennessee

See all Gastroenterology Physician providers in Tennessee →

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