npidexNPI registry + Medicare data

MARK SHERMER, MD

Nephrology Physician · MEMPHIS, TN

Individual Active NPI 1144306366

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
20244492,208$383,137$242,539$186,338
20234832,345$409,900$264,067$203,788
20224382,192$398,525$251,158$195,075

Top procedures (2024)

HCPCSDescriptionServicesAvg allowedAvg paid
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes1,153$72$57
99214Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more453$116$84
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes166$107$85
99223Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes140$158$118
90961Dialysis services, 2-3 physician visits per month (20 years or older)82$270$215
90962Dialysis services, 1 physician visit per month (20 years or older)71$186$148
99205New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more56$202$143
99291Critical care, first 30-74 minutes35$195$155

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Nephrology Physician207RN0300X✓MD0000029065TN

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 Nephrology Physician providers in Tennessee

See all Nephrology Physician providers in Tennessee →

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