Dr. Mark Shermer, MD
- Medicare services, 2024
- 2,156
- Medicare patients, 2024
- 449
- Part D claims, 2024
- 1,362
- MIPS score, 2024
- 87
- Hospital affiliations
- 5
- Practice address
- 6005 Park Ave, Memphis, TN 38119
- Practice phone
- Call (901) 681-4010
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Fresenius Medical Care Ridgeway
Memphis, Tennessee
Find Dr. Shermer's professional email, personal email and mobile number
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Dr. Mark Shermer is a nephrologist in Memphis, Tennessee
Dr. Shermer practices at Fresenius Medical Care Ridgeway in Memphis, Tennessee.
Dr. Shermer's NPI, 1144306366, was assigned on October 31, 2006. Dr. Shermer holds Tennessee license MD0000029065.
- NPI
- 1144306366NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294736989
- NPI enumeration date
- October 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (901) 681-4010
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Shermer practices at Fresenius Medical Care Ridgeway in Memphis, Tennessee
Dr. Shermer's primary practice is Fresenius Medical Care Ridgeway, at 6005 Park Ave, Memphis, TN 38119 in Shelby County. The practice phone is (901) 681-4010.
- Fresenius Medical Care Ridgeway6005 Park Ave, Memphis, TN 38119 · Shelby CountyPhone(901) 681-4010
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark Shermer is affiliated with 12 sites of care and 1 medical group
Dr. Shermer's primary practice is Fresenius Medical Care Ridgeway in Memphis, Tennessee. Dr. Shermer is also affiliated with Methodist University Hospital. The medical group on file is Mark Shermer, MD, PC. Dmand AI also links Dr. Shermer to 4 more hospitals, 5 dialysis centers and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mark Shermer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Shermer practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fresenius Medical Care Ridgeway | Available with a free account |
| +11 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Shermer is one of 230 nephrologists in Tennessee
Nephrology is Dr. Shermer's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Shermer is licensed in Tennessee.
Specialties and state licenses
- Nephrology, TennesseePrimary
Nephrologists near Dr. Shermer
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mark Shermer billed Medicare for 2,156 services in 2024
CMS data shows 2,156 Medicare services from Dr. Shermer across 8 procedure codes in 2024, for 449 Medicare patients. Medicare paid $176,101 for them.
Dr. Shermer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,0852024: 2,0034%
- Tests and treatments
- 2023: 1912024: 15320%
Where Dr. Shermer's Medicare services took place, 2024
- In an office66231%
- In a facility1,49469%
Dr. Shermer compared with the Tennessee median for nephrologists, 2024
- Dr. Shermer
- Tennessee median
- Medicare services
- 2,156vs 1,18782% above
- Medicare patients
- 449vs 37320% above
- Part D claims
- 1,086vs 85327% above
Medians across 228 nephrologists in Tennessee with Dmand AI profiles that report each measure.
Dr. Shermer's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Shermer treated 449 Medicare patients in 2024, average age 74
CMS counts 449 Medicare patients who saw Dr. Shermer in 2024. The largest group is 75 to 84, with 197 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 13% are also on Medicaid. Their average risk score is 2.97, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Shermer's median patient age at 71, with 46% women.
Dr. Shermer's Medicare patients by age, 2024
Dr. Shermer's Medicare patients by sex, 2024
- Women21648%
- Men23352%
Chronic conditions among Dr. Shermer's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Diabetes57%
- Ischemic heart disease48%
- Heart failure39%
- Atrial fibrillation30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Shermer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Shermer wrote 1,362 Medicare Part D claims in 2024
In 2024, Dr. Shermer wrote 1,362 Medicare Part D claims for 232 patients. 83% of them were for generic drugs. CMS names the drug for 1,086 of them, across 26 drugs with 11 or more claims each, at $616,949 in total drug cost. In 2023, CMS named 936 claims across 22 drugs.
Dr. Shermer's Part D claims by kind of drug, 2024
- Generic1,135 claims83%
- Brand-name and other227 claims17%
Dr. Shermer's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Shermer's Part D claims, 2024
- Antibiotics2%22 of 1,362 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 9362024: 1,08616%
Drugs named by CMS: 26 in 2024, 22 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Mark Shermer scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Shermer for performance year 2024, reported individually. Dr. Shermer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Shermer's MIPS scores, performance year 2024
- 87of 100Final score
- 76.5of 100Quality
- 40of 100Improvement Activities
- 72of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Mark Shermer received $2,154 in industry payments from 2016 to 2025
CMS Open Payments shows 79 general payments to Dr. Shermer from 19 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 90% of the total. Fresenius USA Marketing, Inc. paid the most, $418.
General payments to Dr. Shermer by program year, 2016 to 2025
General payments to Dr. Shermer by kind, 2016 to 2025
- Food and beverage$1,94590%
- Education$20910%
Companies that paid Dr. Shermer the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mark Shermer's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Mark Shermer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Mark Shermer's NPI number?
Dr. Mark Shermer's NPI number is 1144306366. It was assigned on October 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Shermer?
Dr. Mark Shermer is a nephrologist in Memphis, Tennessee. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Mark Shermer practice?
Dr. Shermer practices at 6005 Park Ave, Memphis, TN 38119. Dr. Shermer's primary practice is Fresenius Medical Care Ridgeway in Memphis, Tennessee. Dmand AI also links Dr. Shermer to 4 hospitals, 5 dialysis centers and 1 group practice or clinic.
What is Dr. Mark Shermer's office phone number?
The practice phone on file for Dr. Shermer is (901) 681-4010.
What is Dr. Mark Shermer's medical license number?
Dr. Shermer holds Tennessee license MD0000029065.
Which hospitals is Dr. Mark Shermer affiliated with?
Dr. Shermer is affiliated with Methodist University Hospital. Dmand AI links Dr. Shermer to 4 more hospitals.
What medical group is Dr. Mark Shermer part of?
Dr. Shermer is linked to Mark Shermer, MD, PC.
Does Dr. Mark Shermer accept Medicare?
Yes. CMS data shows Dr. Shermer billed Medicare for 2,156 services in 2024, and Dr. Shermer accepts Medicare assignment.
What is Dr. Mark Shermer's MIPS score?
Dr. Shermer's MIPS final score for performance year 2024 is 87 out of 100, reported individually.
How many Medicare patients does Dr. Mark Shermer see?
CMS counts 449 Medicare patients who saw Dr. Shermer in 2024, with an average age of 74.
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What services does Dr. Mark Shermer bill to Medicare?
In 2024, Dr. Shermer's most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99214) and hospital inpatient care (99233).
What drugs does Dr. Mark Shermer prescribe most?
In 2024 Medicare Part D data, Dr. Shermer's most prescribed drugs by claims were Calcitriol, Sevelamer Carbonate and Velphoro.
Has Dr. Mark Shermer received payments from drug or device companies?
CMS Open Payments shows $2,154 in general payments to Dr. Shermer from 19 companies from 2016 to 2025. The largest total came from Fresenius USA Marketing, Inc.
How long has Dr. Mark Shermer been practicing?
Dr. Shermer graduated from medical school in 1992, 34 years ago.
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