NPPES file of Aug 9, 2026

Mark Shermer, M.d., PC in Memphis, TN

This organization bills under NPI 1669646634, an organization record issued on Apr 21, 2008 with the primary taxonomy Nephrology Physician. Each clinician who works there has their own NPI and license.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

Organization recordNPPES, Aug 2026
1669646634
Legal name
Mark Shermer, M.d., PC
Entity
Type 2 · organization
Primary taxonomy
Nephrology Physician 207RN0300X
Practice location
6005 PARK AVE STE 807, Memphis, TN 38119
Phone
901-762-0504
Enumerated
Apr 21, 2008
Record updated
Apr 21, 2008
Authorized official
President (title as filed)
Public record from the NPPES NPI Registry (open it on CMS). An NPI identifies who bills; it is not a facility license.

3 clinicians CMS lists with Mark Shermer M D in Memphis

  1. Christine Cassat, ANPAdult Health Nurse Practitioner1124253026
  2. Krissie Hampton, FNP-CFamily Nurse Practitioner1558048017
  3. Mark Shermer, MDNephrology Physician1144306366

Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.

Checking an organization

  1. Confirm the business with the Tennessee secretary of state.
  2. Check the HHS-OIG exclusion list for the organization.
  3. Verify each clinician on their own record and the state license search.

Common questions

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.