Dr. Robert Johnson Allen Sr., MD
- Part D claims, 2024
- 13
- Industry payments
- $2,609
- Affiliated sites
- 2
- Medical groups
- 2
- State licenses
- 3
- Practice address
- 2000 Hospital Dr, Mount Pleasant, SC 29464
- Practice phone
- Call (843) 881-0100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
East Cooper Medical Center
Mount Pleasant, South Carolina
Find Dr. Allen'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 Johnson Allen Sr. is a plastic surgeon in Mount Pleasant, South Carolina
Dr. Allen practices at East Cooper Medical Center in Mount Pleasant, South Carolina.
Dr. Allen's NPI, 1255353983, was assigned on July 24, 2006. Dr. Allen graduated from Medical University of South Carolina College of Medicine in 1976. Dr. Allen holds New York license 150082-1.
- NPI
- 1255353983NPI Registry (opens in a new tab)
- NPI enumeration date
- July 24, 2006
- NPI status
- Active
- Practice phone
- (843) 881-0100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 76
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Robert Johnson Allen Sr. practices at East Cooper Medical Center in Mount Pleasant, South Carolina
Dr. Allen's primary practice is East Cooper Medical Center, at 2000 Hospital Dr, Mount Pleasant, SC 29464 in Charleston County. The practice phone is (843) 881-0100.
- East Cooper Medical Center2000 Hospital Dr, Mount Pleasant, SC 29464 · Charleston CountyPhone(843) 881-0100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert Johnson Allen Sr. is affiliated with 3 sites of care and 2 medical groups
Dr. Allen's primary practice is East Cooper Medical Center in Mount Pleasant, South Carolina. The medical group on file is Ochsner Health. Dmand AI also links Dr. Allen to 2 more group practices and clinics 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 Johnson Allen Sr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Allen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| East Cooper Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Johnson Allen Sr. is one of 63 plastic surgeons in South Carolina
Plastic surgery is Dr. Allen's primary specialty in the NPI Registry, under taxonomy code 208200000X. Dmand AI has Dr. Allen's licenses on file in 3 states: New York, Louisiana and South Carolina.
Specialties and state licenses
- Plastic surgery, New YorkPrimary
- Louisiana license
- South Carolina license
Plastic surgeons near Dr. Allen
Counts of plastic surgeons 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 Johnson Allen Sr.'s patients have a median age of 50
Across all payers, Dmand AI patient panel data puts Dr. Allen's median patient age at 50, with 70% women.
Dr. Allen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women70%
- Men30%
Source: Dmand AI Patient Panel Data
Dr. Robert Johnson Allen Sr. wrote 13 Medicare Part D claims in 2024
In 2024, Dr. Allen wrote 13 Medicare Part D claims. 92% of them were for generic drugs.
Dr. Allen's Part D claims by kind of drug, 2024
- Generic12 claims92%
- Brand-name and other1 claims8%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Robert Johnson Allen Sr. received $2,609 in industry payments from 2016 to 2025
CMS Open Payments shows 37 general payments to Dr. Allen from 20 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 85% of the total. Allergan Inc. paid the most, $449.
General payments to Dr. Allen by program year, 2016 to 2025
General payments to Dr. Allen by kind, 2016 to 2025
- Food and beverage$2,22585%
- Travel and lodging$38415%
Companies that paid Dr. Allen 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 Johnson Allen Sr. graduated from Medical University of South Carolina College of Medicine
Dr. Allen graduated from Medical University of South Carolina College of Medicine in 1976.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert Johnson Allen Sr.'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | 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. Robert Johnson Allen Sr.
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 Johnson Allen Sr.'s NPI number?
Dr. Robert Johnson Allen Sr.'s NPI number is 1255353983. It was assigned on July 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Johnson Allen Sr.?
Dr. Robert Johnson Allen Sr. is a plastic surgeon in Mount Pleasant, South Carolina. The primary specialty in the NPI Registry is Plastic Surgery Physician (taxonomy code 208200000X).
Where does Dr. Robert Johnson Allen Sr. practice?
Dr. Allen practices at 2000 Hospital Dr, Mount Pleasant, SC 29464. Dr. Allen's primary practice is East Cooper Medical Center in Mount Pleasant, South Carolina. Dmand AI also links Dr. Allen to 2 group practices and clinics and 1 medical group.
What is Dr. Robert Johnson Allen Sr.'s office phone number?
The practice phone on file for Dr. Allen is (843) 881-0100.
What is Dr. Robert Johnson Allen Sr.'s medical license number?
Dr. Allen holds New York license 150082-1, one of the licenses on file in 3 states.
Which states has Dr. Robert Johnson Allen Sr. been licensed in?
Dmand AI has state licenses on file for Dr. Allen in New York, Louisiana and South Carolina.
What medical group is Dr. Robert Johnson Allen Sr. part of?
Dr. Allen is linked to Ochsner Health. Dmand AI links Dr. Allen to 1 more medical group.
Where did Dr. Robert Johnson Allen Sr. go to medical school?
Dr. Allen graduated from Medical University of South Carolina College of Medicine in 1976.
Has Dr. Robert Johnson Allen Sr. received payments from drug or device companies?
CMS Open Payments shows $2,609 in general payments to Dr. Allen from 20 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. Robert Johnson Allen Sr. been practicing?
Dr. Allen graduated from medical school in 1976, 50 years ago.
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