Dr. Alvin Lee Day, MD
- Medicare services, 2024
- 225
- Medicare patients, 2024
- 195
- Part D claims, 2024
- 358
- Hospital affiliations
- 3
- Industry payments
- $7,664
- Practice address
- 9 Richland Medical Park Dr, Columbia, SC 29203
- Practice phone
- Call (803) 545-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Prisma Health Medical Group-Midlands
Columbia, South Carolina
Find Dr. Day's 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. Alvin Lee Day is a rheumatologist in Columbia, South Carolina
Dr. Day practices at Prisma Health Medical Group-Midlands in Columbia, South Carolina.
Dr. Day's NPI, 1811300726, was assigned on June 9, 2014. Dr. Day graduated from University of South Carolina School of Medicine in 2014. Dr. Day holds South Carolina license 36982.
- NPI
- 1811300726NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4880988724
- NPI enumeration date
- June 9, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (803) 545-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alvin Lee Day practices at Prisma Health Medical Group-Midlands in Columbia, South Carolina
Dr. Day's primary practice is Prisma Health Medical Group-Midlands, at 9 Richland Medical Park Dr, Columbia, SC 29203 in Richland County. The practice phone is (803) 545-5000.
- Prisma Health Medical Group-Midlands9 Richland Medical Park Dr, Columbia, SC 29203 · Richland CountyPhone(803) 545-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Alvin Lee Day is affiliated with 5 sites of care and 1 medical group
Dr. Day's primary practice is Prisma Health Medical Group-Midlands in Columbia, South Carolina. Dr. Day is also affiliated with Prisma Health Richland Hospital. The medical group on file is Prisma Health Medical Group-Midlands. Dmand AI also links Dr. Day to 2 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Alvin Lee Day's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Day practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Prisma Health Medical Group-Midlands | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alvin Lee Day is one of 112 rheumatologists in South Carolina
Rheumatology is Dr. Day's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Day is licensed in South Carolina.
Specialties and state licenses
- Rheumatology, South CarolinaPrimary
Rheumatologists near Dr. Day
Counts of rheumatologists 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. Alvin Lee Day billed Medicare for 225 services in 2024
CMS data shows 225 Medicare services from Dr. Day across 3 procedure codes in 2024, all of them office visits, for 195 Medicare patients. Medicare paid $20,927 for them. Every service was in an office.
Dr. Day's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 772024: 225192%
Dr. Day compared with the South Carolina median for rheumatologists, 2024
- Dr. Day
- South Carolina median
- Medicare services
- 225vs 2,86092% below
- Medicare patients
- 195vs 29835% below
- Part D claims
- 239vs 1,14779% below
Medians across 115 rheumatologists in South Carolina with Dmand AI profiles that report each measure.
Dr. Day'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Day and other rheumatologists in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alvin Lee Day treated 195 Medicare patients in 2024, average age 74
CMS counts 195 Medicare patients who saw Dr. Day in 2024. The largest group is 65 to 74, with 99 patients. 75% of them have high cholesterol, and 74% have arthritis. Their average risk score is 1.12, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Day's median patient age at 62, with 77% women.
Dr. Day's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Day's Medicare patients by sex, 2024
- Women16183%
- Men3417%
Chronic conditions among Dr. Day's Medicare patients, 2024
- High cholesterol75%
- Arthritis74%
- High blood pressure72%
- Osteoporosis61%
- Anxiety31%
- Mood disorders24%
- Ischemic heart disease23%
- Depression22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Day's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women77%
- Men23%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alvin Lee Day wrote 358 Medicare Part D claims in 2024
In 2024, Dr. Day wrote 358 Medicare Part D claims for 128 patients. 63% of them were for generic drugs. CMS names the drug for 239 of them, across 7 drugs with 11 or more claims each, at $205,942 in total drug cost. In 2023, CMS named 31 claims across 2 drugs.
Dr. Day's Part D claims by kind of drug, 2024
- Generic227 claims63%
- Brand-name131 claims37%
Dr. Day'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 312024: 239671%
Drugs named by CMS: 7 in 2024, 2 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. Alvin Lee Day offers telehealth to Medicare patients
Dr. Day accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Day as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Alvin Lee Day received $7,664 in industry payments from 2017 to 2025
CMS Open Payments shows 25 general payments to Dr. Day from 13 drug and device companies from 2017 to 2025. Consulting fees make up the largest share, 82% of the total. Ultragenyx Pharmaceutical Inc. paid the most, $6,300.
General payments to Dr. Day by program year, 2017 to 2025
General payments to Dr. Day by kind, 2017 to 2025
- Consulting fees$6,30082%
- Food and beverage$1,12415%
- Education$2403%
Companies that paid Dr. Day the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alvin Lee Day graduated from University of South Carolina School of Medicine
Dr. Day graduated from University of South Carolina School of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Alvin Lee Day'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 DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Alvin Lee Day
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. Alvin Lee Day's NPI number?
Dr. Alvin Lee Day's NPI number is 1811300726. It was assigned on June 9, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Alvin Lee Day?
Dr. Alvin Lee Day is a rheumatologist in Columbia, South Carolina. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Alvin Lee Day practice?
Dr. Day practices at 9 Richland Medical Park Dr, Columbia, SC 29203. Dr. Day's primary practice is Prisma Health Medical Group-Midlands in Columbia, South Carolina. Dmand AI also links Dr. Day to 2 hospitals and 1 group practice or clinic.
What is Dr. Alvin Lee Day's office phone number?
The practice phone on file for Dr. Day is (803) 545-5000.
What is Dr. Alvin Lee Day's medical license number?
Dr. Day holds South Carolina license 36982.
Which hospitals is Dr. Alvin Lee Day affiliated with?
Dr. Day is affiliated with Prisma Health Richland Hospital. Dmand AI links Dr. Day to 2 more hospitals.
What medical group is Dr. Alvin Lee Day part of?
Dr. Day is linked to Prisma Health Medical Group-Midlands.
Does Dr. Alvin Lee Day accept Medicare?
Yes. CMS data shows Dr. Day billed Medicare for 225 services in 2024, and Dr. Day accepts Medicare assignment.
Does Dr. Alvin Lee Day offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Day as offering telehealth services.
How many Medicare patients does Dr. Alvin Lee Day see?
CMS counts 195 Medicare patients who saw Dr. Day in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Alvin Lee Day bill to Medicare?
In 2024, Dr. Day's most billed Medicare services were office visit, new patient (99204), office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Alvin Lee Day go to medical school?
Dr. Day graduated from University of South Carolina School of Medicine in 2014.
What drugs does Dr. Alvin Lee Day prescribe most?
In 2024 Medicare Part D data, Dr. Day's most prescribed drugs by claims were Teriparatide, Prednisone and Hydroxychloroquine Sulfate.
Has Dr. Alvin Lee Day received payments from drug or device companies?
CMS Open Payments shows $7,664 in general payments to Dr. Day from 13 companies from 2017 to 2025. The largest total came from Ultragenyx Pharmaceutical Inc.
How long has Dr. Alvin Lee Day been practicing?
Dr. Day graduated from medical school in 2014, 12 years ago.
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