Dr. Robert William Cain, MD
- Medicare services, 2024
- 2,602
- Medicare patients, 2024
- 381
- Part D claims, 2024
- 7,168
- Industry payments
- $2,795
- Affiliated sites
- 3
- Practice address
- 1 Bishop Gadsden Way, Charleston, SC 29412
- Practice phone
- Call (843) 406-2362
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Clinic at Bishop Gadsden
Charleston, 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. Robert William Cain is an internist in Charleston, South Carolina
Dr. Cain practices at Clinic at Bishop Gadsden in Charleston, South Carolina.
Dr. Cain's NPI, 1083672745, was assigned on May 3, 2006. Dr. Cain graduated from Vanderbilt University School of Medicine in 1986. Dr. Cain holds South Carolina license 13435.
- NPI
- 1083672745NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547310039
- NPI enumeration date
- May 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (843) 406-2362
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert William Cain practices at Clinic at Bishop Gadsden in Charleston, South Carolina
Dr. Cain's primary practice is Clinic at Bishop Gadsden, at 1 Bishop Gadsden Way, Charleston, SC 29412 in Charleston County. The practice phone is (843) 406-2362.
- Clinic at Bishop Gadsden1 Bishop Gadsden Way, Charleston, SC 29412 · Charleston CountyPhone(843) 406-2362
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert William Cain is affiliated with 4 sites of care and 2 medical groups
Dr. Cain's primary practice is Clinic at Bishop Gadsden in Charleston, South Carolina. The medical group on file is Roper St. Francis Physician Partners General Surgery. Dmand AI also links Dr. Cain to 2 more group practices and clinics, 1 skilled nursing facility and 1 medical group, 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. Robert William Cain's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cain practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Clinic at Bishop Gadsden | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert William Cain is one of 1,707 internists in South Carolina
Internal medicine is Dr. Cain's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Cain is licensed in South Carolina.
Specialties and state licenses
- Internal medicine, South CarolinaPrimary
Internists near Dr. Cain
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. Robert William Cain billed Medicare for 2,602 services in 2024
CMS data shows 2,602 Medicare services from Dr. Cain across 10 procedure codes in 2024, for 381 Medicare patients. Medicare paid $132,205 for them. Every service was in an office.
Dr. Cain's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 1,8002024: 1,26030%
- Office and hospital visits
- 2023: 1,1282024: 83826%
- Other services
- 2023: 5582024: 33939%
- Tests and treatments
- 2023: 3222024: 16549%
Dr. Cain compared with the South Carolina median for internists, 2024
- Dr. Cain
- South Carolina median
- Medicare services
- 2,602vs 7403.5 times
- Medicare patients
- 381vs 25848% above
- Part D claims
- 6,401vs 33119.3 times
Medians across 1,708 internists in South Carolina with Dmand AI profiles that report each measure.
Dr. Cain'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.
Need commercial claims for Dr. Cain?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Cain and other internists in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert William Cain treated 381 Medicare patients in 2024, average age 77
CMS counts 381 Medicare patients who saw Dr. Cain in 2024. The largest group is 75 to 84, with 177 patients. 75% of them have high blood pressure, and 63% have high cholesterol. Their average risk score is 1.03, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Cain's median patient age at 77, with 49% women.
Dr. Cain's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Cain's Medicare patients by sex, 2024
- Women19651%
- Men18549%
Chronic conditions among Dr. Cain's Medicare patients, 2024
- High blood pressure75%
- High cholesterol63%
- Arthritis48%
- Diabetes28%
- Cancer19%
- Chronic kidney disease19%
- Mood disorders19%
- Osteoporosis19%
Share of Medicare patients with each condition. A patient can have several.
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 77
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert William Cain wrote 7,168 Medicare Part D claims in 2024
In 2024, Dr. Cain wrote 7,168 Medicare Part D claims for 636 patients. 90% of them were for generic drugs. CMS names the drug for 6,401 of them, across 122 drugs with 11 or more claims each, at $411,861 in total drug cost. In 2023, CMS named 6,778 claims across 128 drugs.
Dr. Cain's Part D claims by kind of drug, 2024
- Generic6,421 claims90%
- Brand-name711 claims10%
- Other36 claims1%
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.
Drug classes CMS tracks in Dr. Cain's Part D claims, 2024
- Opioids3%194 of 7,168 claims
- Antibiotics1%106 of 7,168 claims
- Antipsychotics, patients 65 and over0%18 of 7,168 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: 6,7782024: 6,4016%
Drugs named by CMS: 122 in 2024, 128 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
How Dr. Robert William Cain takes part in Medicare
Dr. Cain accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Robert William Cain received $2,795 in industry payments from 2016 to 2025
CMS Open Payments shows 162 general payments to Dr. Cain from 39 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $335.
General payments to Dr. Cain by program year, 2016 to 2025
General payments to Dr. Cain by kind, 2016 to 2025
- Food and beverage$2,784100%
- Education$110%
Companies that paid Dr. Cain the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert William Cain graduated from Vanderbilt University School of Medicine
Dr. Cain graduated from Vanderbilt University School of Medicine in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert William Cain'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 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. Robert William Cain
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. Robert William Cain's NPI number?
Dr. Robert William Cain's NPI number is 1083672745. It was assigned on May 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert William Cain?
Dr. Robert William Cain is an internist in Charleston, South Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert William Cain practice?
Dr. Cain practices at 1 Bishop Gadsden Way, Charleston, SC 29412. Dr. Cain's primary practice is Clinic at Bishop Gadsden in Charleston, South Carolina. Dmand AI also links Dr. Cain to 2 group practices and clinics, 1 skilled nursing facility and 1 medical group.
What is Dr. Robert William Cain's office phone number?
The practice phone on file for Dr. Cain is (843) 406-2362.
What is Dr. Robert William Cain's medical license number?
Dr. Cain holds South Carolina license 13435.
What medical group is Dr. Robert William Cain part of?
Dr. Cain is linked to Roper St. Francis Physician Partners General Surgery. Dmand AI links Dr. Cain to 1 more medical group.
Does Dr. Robert William Cain accept Medicare?
Yes. CMS data shows Dr. Cain billed Medicare for 2,602 services in 2024, and Dr. Cain accepts Medicare assignment.
How many Medicare patients does Dr. Robert William Cain see?
CMS counts 381 Medicare patients who saw Dr. Cain in 2024, with an average age of 77.
What services does Dr. Robert William Cain bill to Medicare?
In 2024, Dr. Cain's most billed Medicare services were injected or infused drug (J0897), office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. Robert William Cain go to medical school?
Dr. Cain graduated from Vanderbilt University School of Medicine in 1986.
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What drugs does Dr. Robert William Cain prescribe most?
In 2024 Medicare Part D data, Dr. Cain's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Lisinopril.
Has Dr. Robert William Cain received payments from drug or device companies?
CMS Open Payments shows $2,795 in general payments to Dr. Cain from 39 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Robert William Cain been practicing?
Dr. Cain graduated from medical school in 1986, 40 years ago.
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