DR. MARK SHERMER MD
NPI 1144306366
Internal Medicine - Nephrology in Memphis, TN
About Dr. Mark Shermer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK SHERMER MD (NPI 1144306366) is an individual nephrology provider in Memphis, Tennessee, licensed in Tennessee (MD0000029065) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Methodist Healthcare - Olive Branch Hospital, and is a graduate of Other (1992).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Mark Shermer Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Mark Shermer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Memphis, TN 38119
- Reassigned Medicare billing, Tennessee enrollment
- 5 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 8
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Methodist Healthcare - Olive Branch Hospital
Acute Care Hospitals · Olive Branch, MSBaptist Memorial Hospital
Acute Care Hospitals · Memphis, TNMethodist Hospitals Of Memphis
Acute Care Hospitals · Memphis, TNSt Francis Hospital
Acute Care Hospitals · Memphis, TNSaint Francis Bartlett Medical Center
Acute Care Hospitals · Bartlett, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 38119 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 6
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MEMPHIS, TN 38119
MEMPHIS, TN 38119
MEMPHIS, TN 38119
MEMPHIS, TN 38119
MEMPHIS, TN 38119
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mark Shermer's NPI number?
The NPI number for Mark Shermer is 1144306366. It was assigned to this individual provider in the NPPES registry on October 31, 2006.
Where is Mark Shermer located?
Mark Shermer practices at 6005 Park Ave Ste 807, Memphis, TN 38119. The listed phone number is (901) 762-0504.
What is Mark Shermer's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Mark Shermer enrolled in Medicare?
Yes. Mark Shermer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Mark Shermer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Shermer reassigns Medicare benefits to Mark Shermer, M.D.,p.C. (Memphis, TN). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Shermer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Shermer accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 3 other insurers list Mark Shermer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Mark Shermer affiliated with any hospitals?
According to CMS data, Mark Shermer is affiliated with Methodist Healthcare - Olive Branch Hospital, Baptist Memorial Hospital, Methodist Hospitals Of Memphis, St Francis Hospital and Saint Francis Bartlett Medical Center.
When was this NPI record last updated?
The NPPES record for Mark Shermer was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Mark Shermer, MD · NPI 1144306366
Nephrology physician in Memphis, Tennessee. Individual provider, active in the CMS NPPES registry since October 31, 2006.
## Identity
- **NPI:** 1144306366 (Entity type: Individual)
- **Enumerated:** October 31, 2006
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** MD0000029065 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 6005 PARK AVE, STE 807, Memphis, TN 38119
- **Phone:** (901) 762-0504 · **Fax:** (901) 682-9460
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Mark Shermer, M.D.,p.C. (NPI 1669646634, Memphis, TN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1992
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare UPIN G82304; Medicare ID-Type Unspecified 3375240; Medicaid 3375240 (TN)
---
Source: [NPI Profile](https://npiprofile.com/npi/1144306366) · Data from the CMS NPPES public registry.