Dr. Robert Dean Bayliss Jr., MD
- Medicare services, 2024
- 9,692
- Medicare patients, 2024
- 542
- Part D claims, 2024
- 7,801
- Hospital affiliations
- 6
- Industry payments
- $278
- Practice address
- 1025 Verdae Blvd, Greenville, SC 29607
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Internal Medicine Associates of Greenville - HOPD
Acute Care Hospital outpatient department · Greenville, South Carolina
Find Dr. Bayliss' 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 Dean Bayliss Jr. is an internist in Greenville, South Carolina
Dr. Bayliss practices at Internal Medicine Associates of Greenville - HOPD in Greenville, South Carolina.
Dr. Bayliss' NPI, 1356326383, was assigned on December 13, 2005. Dr. Bayliss graduated from Wake Forest University School of Medicine in 1984. Dr. Bayliss holds South Carolina license 12339.
- NPI
- 1356326383NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557263639
- NPI enumeration date
- December 13, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Dean Bayliss Jr. practices at Internal Medicine Associates of Greenville - HOPD in Greenville, South Carolina
Dr. Bayliss' primary practice is Internal Medicine Associates of Greenville - HOPD, at 1025 Verdae Blvd, Greenville, SC 29607.
- Internal Medicine Associates of Greenville - HOPD1025 Verdae Blvd, Greenville, SC 29607
Source: Dmand AI Affiliation Data
Dr. Robert Dean Bayliss Jr. is affiliated with 14 sites of care and 3 medical groups
Dr. Bayliss' primary practice is Internal Medicine Associates of Greenville - HOPD in Greenville, South Carolina. Dr. Bayliss is also affiliated with Prisma Health Greenville Memorial Hospital. The medical group on file is Prisma Health Medical Group. Dmand AI also links Dr. Bayliss to 5 more hospitals, 3 group practices and clinics, 3 home health agencies, 2 medical groups and 1 therapy and rehab clinic, each named with a free account. Dr. Bayliss' employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Robert Dean Bayliss Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bayliss practices, 14 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Internal Medicine Associates of Greenville - HOPD | Available with a free account |
| +13 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Dean Bayliss Jr. is one of 1,707 internists in South Carolina
Internal medicine is Dr. Bayliss' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Bayliss is licensed in South Carolina.
Specialties and state licenses
- Internal medicine, South CarolinaPrimary
Internists near Dr. Bayliss
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 Dean Bayliss Jr. billed Medicare for 9,692 services in 2024
CMS data shows 9,692 Medicare services from Dr. Bayliss across 31 procedure codes in 2024, for 542 Medicare patients. Medicare paid $191,816 for them. Every service was in an office.
Dr. Bayliss' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 3,9362024: 3,5999%
- Drugs given in the office
- 2023: 1592024: 2,6361558%
- Other services
- 2023: 7112024: 1,32586%
- Office and hospital visits
- 2023: 1,2042024: 1,1465%
- Surgery
- 2023: 7612024: 7087%
- Tests and treatments
- 2023: 3592024: 23634%
- Imaging
- 2023: 432024: 422%
Dr. Bayliss compared with the South Carolina median for internists, 2024
- Dr. Bayliss
- South Carolina median
- Medicare services
- 9,692vs 74013.1 times
- Medicare patients
- 542vs 2582.1 times
- Part D claims
- 7,021vs 33121.2 times
Medians across 1,708 internists in South Carolina with Dmand AI profiles that report each measure.
Dr. Bayliss' 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. Bayliss?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bayliss 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 Dean Bayliss Jr. treated 542 Medicare patients in 2024, average age 77
CMS counts 542 Medicare patients who saw Dr. Bayliss in 2024. The largest group is 75 to 84, with 220 patients. 75% of them have high cholesterol, and 70% have high blood pressure. Their average risk score is 0.97, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Bayliss' median patient age at 73, with 50% women.
Dr. Bayliss' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Bayliss' Medicare patients by sex, 2024
- Women28953%
- Men25347%
Chronic conditions among Dr. Bayliss' Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis46%
- Ischemic heart disease27%
- Osteoporosis24%
- Diabetes23%
- Chronic kidney disease22%
- Anxiety19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bayliss' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
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. Robert Dean Bayliss Jr. wrote 7,801 Medicare Part D claims in 2024
In 2024, Dr. Bayliss wrote 7,801 Medicare Part D claims for 696 patients. 90% of them were for generic drugs. CMS names the drug for 7,021 of them, across 133 drugs with 11 or more claims each, at $330,384 in total drug cost. In 2023, CMS named 7,247 claims across 140 drugs.
Dr. Bayliss' Part D claims by kind of drug, 2024
- Generic7,008 claims90%
- Brand-name778 claims10%
- Other15 claims0%
Dr. Bayliss' 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. Bayliss' Part D claims, 2024
- Opioids4%304 of 7,801 claims
- Antibiotics3%264 of 7,801 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: 7,2472024: 7,0213%
Drugs named by CMS: 133 in 2024, 140 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 Dean Bayliss Jr. takes part in Medicare
Dr. Bayliss 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 Dean Bayliss Jr. received $278 in industry payments from 2016 to 2024
CMS Open Payments shows 16 general payments to Dr. Bayliss from 6 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 62% of the total. Sunovion Pharmaceuticals Inc. paid the most, $104.
General payments to Dr. Bayliss by program year, 2016 to 2024
General payments to Dr. Bayliss by kind, 2016 to 2024
- Food and beverage$17362%
- Education$8531%
- Speaker and faculty fees$207%
Companies that paid Dr. Bayliss 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. Robert Dean Bayliss Jr. graduated from Wake Forest University School of Medicine
Dr. Bayliss graduated from Wake Forest University School of Medicine in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert Dean Bayliss 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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 Dean Bayliss 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. Robert Dean Bayliss Jr.'s NPI number?
Dr. Robert Dean Bayliss Jr.'s NPI number is 1356326383. It was assigned on December 13, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Dean Bayliss Jr.?
Dr. Robert Dean Bayliss Jr. is an internist in Greenville, South Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert Dean Bayliss Jr. practice?
Dr. Bayliss practices at 1025 Verdae Blvd, Greenville, SC 29607. Dr. Bayliss' primary practice is Internal Medicine Associates of Greenville - HOPD in Greenville, South Carolina. Dmand AI also links Dr. Bayliss to 5 hospitals, 3 group practices and clinics, 3 home health agencies, 2 medical groups and 1 therapy and rehab clinic.
What is Dr. Robert Dean Bayliss Jr.'s medical license number?
Dr. Bayliss holds South Carolina license 12339.
Which hospitals is Dr. Robert Dean Bayliss Jr. affiliated with?
Dr. Bayliss is affiliated with Prisma Health Greenville Memorial Hospital. Dmand AI links Dr. Bayliss to 5 more hospitals.
What medical group is Dr. Robert Dean Bayliss Jr. part of?
Dr. Bayliss is linked to Prisma Health Medical Group. Dmand AI links Dr. Bayliss to 2 more medical groups.
Does Dr. Robert Dean Bayliss Jr. accept Medicare?
Yes. CMS data shows Dr. Bayliss billed Medicare for 9,692 services in 2024, and Dr. Bayliss accepts Medicare assignment.
How many Medicare patients does Dr. Robert Dean Bayliss Jr. see?
CMS counts 542 Medicare patients who saw Dr. Bayliss in 2024, with an average age of 77.
What services does Dr. Robert Dean Bayliss Jr. bill to Medicare?
In 2024, Dr. Bayliss' most billed Medicare services were injected or infused drug (J1010), surgery: heart and blood vessels (36415) and office visit, established patient (99214).
Where did Dr. Robert Dean Bayliss Jr. go to medical school?
Dr. Bayliss graduated from Wake Forest University School of Medicine in 1984.
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What drugs does Dr. Robert Dean Bayliss Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Bayliss' most prescribed drugs by claims were Levothyroxine Sodium, Amlodipine Besylate and Atorvastatin Calcium.
Has Dr. Robert Dean Bayliss Jr. received payments from drug or device companies?
CMS Open Payments shows $278 in general payments to Dr. Bayliss from 6 companies from 2016 to 2024. The largest total came from Sunovion Pharmaceuticals Inc.
How long has Dr. Robert Dean Bayliss Jr. been practicing?
Dr. Bayliss graduated from medical school in 1984, 42 years ago.
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