Dr. Alton Cleotha Williams III, MD
- Medicare services, 2024
- 31
- Medicare patients, 2024
- 30
- Part D claims, 2024
- 26
- Hospital affiliations
- 1
- Industry payments
- $821
- Practice address
- 2414 Bull St, Columbia, SC 29201
- Practice phone
- Call (803) 898-7183
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
SC Dept of Mental Health Tele-Psychiatry
Columbia, South Carolina
Find Dr. Williams' 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. Alton Cleotha Williams III is a psychiatrist in Columbia, South Carolina
Dr. Williams practices at SC Dept of Mental Health Tele-Psychiatry in Columbia, South Carolina.
Dr. Williams' NPI, 1396150751, was assigned on June 24, 2014. Dr. Williams graduated from Washington University School of Medicine in 2014. Dr. Williams holds South Carolina license 37222.
- NPI
- 1396150751NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860792421
- NPI enumeration date
- June 24, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (803) 898-7183
- 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. Alton Cleotha Williams III practices at SC Dept of Mental Health Tele-Psychiatry in Columbia, South Carolina
Dr. Williams' primary practice is SC Dept of Mental Health Tele-Psychiatry, at 2414 Bull St, Columbia, SC 29201 in Richland County. The practice phone is (803) 898-7183.
- SC Dept of Mental Health Tele-Psychiatry2414 Bull St, Columbia, SC 29201 · Richland CountyPhone(803) 898-7183
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Alton Cleotha Williams III is affiliated with 2 sites of care and 4 medical groups
Dr. Williams' primary practice is SC Dept of Mental Health Tele-Psychiatry in Columbia, South Carolina. Dr. Williams is also affiliated with MUSC Health University Medical Center. The medical group on file is Tri-County Community Mental Health Center. Dmand AI also links Dr. Williams to 3 more medical groups, 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. Alton Cleotha Williams III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SC Dept of Mental Health Tele-Psychiatry | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alton Cleotha Williams III is one of 630 psychiatrists in South Carolina
Psychiatry is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Williams is licensed in South Carolina.
Specialties and state licenses
- Psychiatry, South CarolinaPrimary
Psychiatrists near Dr. Williams
Counts of psychiatrists 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. Alton Cleotha Williams III billed Medicare for 31 services in 2024
CMS data shows 31 Medicare services from Dr. Williams across 2 procedure codes in 2024, for 30 Medicare patients. Medicare paid $2,974 for them. Every service was in an office.
Dr. Williams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 242024: 1825%
- Office and hospital visits
- 2023: 192024: 1332%
Dr. Williams compared with the South Carolina median for psychiatrists, 2024
- Dr. Williams
- South Carolina median
- Medicare services
- 31vs 12976% below
- Medicare patients
- 30vs 4939% below
- Part D claims
- 186vs 16811% above
Medians across 616 psychiatrists in South Carolina with Dmand AI profiles that report each measure.
Dr. Williams' 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. Alton Cleotha Williams III treated 30 Medicare patients in 2024, average age 59
CMS counts 30 Medicare patients who saw Dr. Williams in 2024. The largest group is under 65, with 15 patients. 73% of them have mood disorders, and 73% have schizophrenia and other psychoses. 63% are also on Medicaid. Their average risk score is 1.68, 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. Williams' median patient age at 49, with 50% women.
Dr. Williams' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Williams' Medicare patients by sex, 2024
- Women1137%
- Men1963%
Chronic conditions among Dr. Williams' Medicare patients, 2024
- Mood disorders73%
- Schizophrenia and other psychoses73%
- High blood pressure70%
- Anxiety67%
- Depression63%
- High cholesterol63%
- Tobacco use50%
- Alcohol and drug use disorders43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alton Cleotha Williams III wrote 26 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 26 Medicare Part D claims. 92% of them were for generic drugs. They cover 11 drugs, with $5,092 in total drug cost. In 2018, CMS named 11 claims across 1 drug.
Dr. Williams' Part D claims by kind of drug, 2024
- Generic24 claims92%
- Brand-name and other2 claims8%
Dr. Williams' most prescribed drugs by claims, 2019
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, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 112019: 1861591%
Drugs named by CMS: 11 in 2019, 1 in 2018.
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. Alton Cleotha Williams III offers telehealth to Medicare patients
Dr. Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Williams as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Alton Cleotha Williams III received $821 in industry payments from 2018 to 2025
CMS Open Payments shows 35 general payments to Dr. Williams from 9 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Alkermes, Inc. paid the most, $190.
General payments to Dr. Williams by program year, 2018 to 2025
Companies that paid Dr. Williams the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alton Cleotha Williams III graduated from Washington University School of Medicine
Dr. Williams graduated from Washington University School of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Alton Cleotha Williams III'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. Alton Cleotha Williams III
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. Alton Cleotha Williams III's NPI number?
Dr. Alton Cleotha Williams III's NPI number is 1396150751. It was assigned on June 24, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Alton Cleotha Williams III?
Dr. Alton Cleotha Williams III is a psychiatrist in Columbia, South Carolina. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Alton Cleotha Williams III practice?
Dr. Williams practices at 2414 Bull St, Columbia, SC 29201. Dr. Williams' primary practice is SC Dept of Mental Health Tele-Psychiatry in Columbia, South Carolina. Dmand AI also links Dr. Williams to 3 medical groups.
What is Dr. Alton Cleotha Williams III's office phone number?
The practice phone on file for Dr. Williams is (803) 898-7183.
What is Dr. Alton Cleotha Williams III's medical license number?
Dr. Williams holds South Carolina license 37222.
Which hospitals is Dr. Alton Cleotha Williams III affiliated with?
Dr. Williams is affiliated with MUSC Health University Medical Center.
What medical group is Dr. Alton Cleotha Williams III part of?
Dr. Williams is linked to Tri-County Community Mental Health Center. Dmand AI links Dr. Williams to 3 more medical groups.
Does Dr. Alton Cleotha Williams III accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 31 services in 2024, and Dr. Williams accepts Medicare assignment.
Does Dr. Alton Cleotha Williams III offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Williams as offering telehealth services.
How many Medicare patients does Dr. Alton Cleotha Williams III see?
CMS counts 30 Medicare patients who saw Dr. Williams in 2024, with an average age of 59.
Show 5 more questionsShow fewer questions
What services does Dr. Alton Cleotha Williams III bill to Medicare?
In 2024, Dr. Williams' most billed Medicare services were psychiatric service (90792) and office visit, established patient (99213).
Where did Dr. Alton Cleotha Williams III go to medical school?
Dr. Williams graduated from Washington University School of Medicine in 2014.
What drugs does Dr. Alton Cleotha Williams III prescribe most?
In 2019 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Trazodone HCl, Quetiapine Fumarate and Alprazolam.
Has Dr. Alton Cleotha Williams III received payments from drug or device companies?
CMS Open Payments shows $821 in general payments to Dr. Williams from 9 companies from 2018 to 2025. The largest total came from Alkermes, Inc.
How long has Dr. Alton Cleotha Williams III been practicing?
Dr. Williams graduated from medical school in 2014, 12 years ago.
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