Dr. William Cain Jr., MD
- Medicare services, 2023
- 2,062
- Part D claims, 2024
- 181
- Industry payments
- $4,298
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 1920 Pickens St, Columbia, SC 29201
- Practice phone
- Call (803) 779-3070
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Columbia Eye Clinic
Columbia, South Carolina
Find Dr. Cain'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. William Cain Jr. is an ophthalmologist in Columbia, South Carolina
Dr. Cain practices at Columbia Eye Clinic in Columbia, South Carolina.
Dr. Cain's NPI, 1902869308, was assigned on April 8, 2006. Dr. Cain graduated from Medical University of South Carolina College of Medicine in 1973. Dr. Cain holds South Carolina license 7270.
- NPI
- 1902869308NPI Registry (opens in a new tab)
- NPI enumeration date
- April 8, 2006
- NPI status
- Active
- Practice phone
- (803) 779-3070
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 79
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. William Cain Jr. practices at Columbia Eye Clinic in Columbia, South Carolina
Dr. Cain's primary practice is Columbia Eye Clinic, at 1920 Pickens St, Columbia, SC 29201 in Richland County. The practice phone is (803) 779-3070.
- Columbia Eye Clinic1920 Pickens St, Columbia, SC 29201 · Richland CountyPhone(803) 779-3070
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William Cain Jr. is affiliated with 2 sites of care and 1 medical group
Dr. Cain's primary practice is Columbia Eye Clinic in Columbia, South Carolina. Dmand AI also links Dr. Cain to 1 ambulatory surgery center and 1 medical group, 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. William Cain Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cain practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Columbia Eye Clinic | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Cain Jr. is one of 269 ophthalmologists in South Carolina
Ophthalmology is Dr. Cain's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Cain is licensed in South Carolina.
Specialties and state licenses
- Ophthalmology, South CarolinaPrimary
Ophthalmologists near Dr. Cain
Counts of ophthalmologists 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. William Cain Jr. billed Medicare for 2,062 services in 2023
CMS data shows 2,062 Medicare services from Dr. Cain across 15 procedure codes in 2023. Medicare paid $155,859 for them.
Dr. Cain's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Tests and treatments
- 2022: 2,6822023: 1,76534%
- Surgery
- 2022: 4842023: 26346%
- Office and hospital visits
- 2022: 2982023: 3489%
Where Dr. Cain's Medicare services took place, 2023
- In an office1,86290%
- In a facility20010%
Dr. Cain compared with the South Carolina median for ophthalmologists, 2023
- Dr. Cain
- South Carolina median
- Medicare services
- 2,062vs 2,44616% below
- Part D claims
- 114vs 74885% below
Medians across 277 ophthalmologists in South Carolina with Dmand AI profiles that report each measure.
Dr. Cain's most billed Medicare procedure codes, 2023
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. Cain and other ophthalmologists in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William Cain Jr.'s patients have a median age of 79
Across all payers, Dmand AI patient panel data puts Dr. Cain's median patient age at 79, with 59% women.
Dr. Cain's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women59%
- Men41%
Source: Dmand AI Patient Panel Data
Dr. William Cain Jr. wrote 181 Medicare Part D claims in 2024
In 2024, Dr. Cain wrote 181 Medicare Part D claims for 73 patients. 36% of them were for generic drugs. CMS names the drug for 114 of them, across 4 drugs with 11 or more claims each, at $29,680 in total drug cost. In 2023, CMS named 830 claims across 20 drugs.
Dr. Cain's Part D claims by kind of drug, 2024
- Generic66 claims36%
- Brand-name115 claims64%
Dr. Cain'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: 8302024: 11486%
Drugs named by CMS: 4 in 2024, 20 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. William Cain Jr. received $4,298 in industry payments from 2016 to 2024
CMS Open Payments shows 113 general payments to Dr. Cain from 22 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $878.
General payments to Dr. Cain by program year, 2016 to 2024
Companies that paid Dr. Cain the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William Cain Jr. graduated from Medical University of South Carolina College of Medicine
Dr. Cain graduated from Medical University of South Carolina College of Medicine in 1973.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William Cain Jr.'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 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) |
| 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. William Cain Jr.
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. William Cain Jr.'s NPI number?
Dr. William Cain Jr.'s NPI number is 1902869308. It was assigned on April 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William Cain Jr.?
Dr. William Cain Jr. is an ophthalmologist in Columbia, South Carolina. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. William Cain Jr. practice?
Dr. Cain practices at 1920 Pickens St, Columbia, SC 29201. Dr. Cain's primary practice is Columbia Eye Clinic in Columbia, South Carolina. Dmand AI also links Dr. Cain to 1 ambulatory surgery center and 1 medical group.
What is Dr. William Cain Jr.'s office phone number?
The practice phone on file for Dr. Cain is (803) 779-3070.
What is Dr. William Cain Jr.'s medical license number?
Dr. Cain holds South Carolina license 7270.
Does Dr. William Cain Jr. accept Medicare?
Yes. CMS data shows Dr. Cain billed Medicare for 2,062 services in 2023.
What services does Dr. William Cain Jr. bill to Medicare?
In 2023, Dr. Cain's most billed Medicare services were eye exam or test (92014), eye exam or test (92133) and eye exam or test (92012).
Where did Dr. William Cain Jr. go to medical school?
Dr. Cain graduated from Medical University of South Carolina College of Medicine in 1973.
What drugs does Dr. William Cain Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Cain's most prescribed drugs by claims were Latanoprost, Restasis and Rocklatan.
Has Dr. William Cain Jr. received payments from drug or device companies?
CMS Open Payments shows $4,298 in general payments to Dr. Cain from 22 companies from 2016 to 2024. The largest total came from Alcon Laboratories Inc.
How long has Dr. William Cain Jr. been practicing?
Dr. Cain graduated from medical school in 1973, 53 years ago.
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