Dr. Mark A. Ayers, MD
- Part D claims, 2024
- 2,088
- Industry payments
- $1,422
- State license
- 1
- Year NPI issued
- 2008
- Practice address
- 5 Richland Medical Park Dr, Columbia, SC 29203
- Practice phone
- Call (803) 296-2548
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Prisma Health Richland Hospital
Columbia, South Carolina
Find Dr. Ayers' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Mark A. Ayers is an internist in Columbia, South Carolina
Dr. Ayers practices at Prisma Health Richland Hospital in Columbia, South Carolina.
Dr. Ayers' NPI, 1669658753, was assigned on January 18, 2008. Dr. Ayers holds South Carolina license TL25652.
- NPI
- 1669658753NPI Registry (opens in a new tab)
- NPI enumeration date
- January 18, 2008
- NPI status
- Active
- Practice phone
- (803) 296-2548
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Mark A. Ayers practices at Prisma Health Richland Hospital in Columbia, South Carolina
Dr. Ayers' primary practice is Prisma Health Richland Hospital, at 5 Richland Medical Park Dr, Columbia, SC 29203 in Richland County. The practice phone is (803) 296-2548.
- Prisma Health Richland Hospital5 Richland Medical Park Dr, Columbia, SC 29203 · Richland CountyPhone(803) 296-2548
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark A. Ayers is affiliated with 1 site of care
Dr. Ayers' primary practice is Prisma Health Richland Hospital in Columbia, South Carolina.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Mark A. Ayers' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ayers practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Prisma Health Richland Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark A. Ayers is one of 1,707 internists in South Carolina
Internal medicine is Dr. Ayers' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ayers is licensed in South Carolina.
Specialties and state licenses
- Internal medicine, South CarolinaPrimary
Internists near Dr. Ayers
Counts of internists 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 A. Ayers' patients have a median age of 56
Across all payers, Dmand AI patient panel data puts Dr. Ayers' median patient age at 56, with 50% women.
Dr. Ayers' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Mark A. Ayers wrote 2,088 Medicare Part D claims in 2024
In 2024, Dr. Ayers wrote 2,088 Medicare Part D claims for 78 patients. 90% of them were for generic drugs. CMS names the drug for 1,846 of them, across 64 drugs with 11 or more claims each, at $146,772 in total drug cost. In 2023, CMS named 1,978 claims across 70 drugs.
Dr. Ayers' Part D claims by kind of drug, 2024
- Generic1,874 claims90%
- Brand-name186 claims9%
- Other28 claims1%
Dr. Ayers' 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. Ayers' Part D claims, 2024
- Opioids1%15 of 2,088 claims
- Antibiotics1%27 of 2,088 claims
- Antipsychotics, patients 65 and over1%13 of 2,088 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: 1,9782024: 1,8467%
Drugs named by CMS: 64 in 2024, 70 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
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Dr. Mark A. Ayers received $1,422 in industry payments from 2018 to 2025
CMS Open Payments shows 56 general payments to Dr. Ayers from 7 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Vanda Pharmaceuticals Inc. paid the most, $495.
General payments to Dr. Ayers by program year, 2018 to 2025
Companies that paid Dr. Ayers the most, 2018 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 A. Ayers's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Mark A. Ayers
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 A. Ayers' NPI number?
Dr. Mark A. Ayers' NPI number is 1669658753. It was assigned on January 18, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark A. Ayers?
Dr. Mark A. Ayers is an internist in Columbia, South Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mark A. Ayers practice?
Dr. Ayers practices at 5 Richland Medical Park Dr, Columbia, SC 29203. Dr. Ayers' primary practice is Prisma Health Richland Hospital in Columbia, South Carolina.
What is Dr. Mark A. Ayers' office phone number?
The practice phone on file for Dr. Ayers is (803) 296-2548.
What is Dr. Mark A. Ayers' medical license number?
Dr. Ayers holds South Carolina license TL25652.
What drugs does Dr. Mark A. Ayers prescribe most?
In 2024 Medicare Part D data, Dr. Ayers' most prescribed drugs by claims were Quetiapine Fumarate, Levothyroxine Sodium and Metformin HCl.
Has Dr. Mark A. Ayers received payments from drug or device companies?
CMS Open Payments shows $1,422 in general payments to Dr. Ayers from 7 companies from 2018 to 2025. The largest total came from Vanda Pharmaceuticals Inc.
How long has Dr. Mark A. Ayers been practicing?
Dr. Ayers' NPI was assigned in 2008.
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