Dr. Robert Oscar Rainer, MD
- Medicare services, 2023
- 70
- Industry payments
- $509
- Affiliated sites
- 1
- Medical group
- 1
- State licenses
- 2
- Practice address
- 8 Memorial Medical Ct Suite 1 Suite 1, Greenville, SC 29605-4400
- Practice phone
- Call (864) 295-3492
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Pathology Associates Of Greenville - Greenville (Memorial Medical Ct)
Medical specialty practice · Greenville, South Carolina
Find Dr. Rainer'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 Oscar Rainer is a pathologist in Greenville, South Carolina
Dr. Rainer practices at Pathology Associates Of Greenville - Greenville (Memorial Medical Ct) in Greenville, South Carolina.
Dr. Rainer's NPI, 1255329926, was assigned on October 7, 2005. Dr. Rainer graduated from Medical University of South Carolina College of Medicine in 1988. Dr. Rainer holds South Carolina license 19352.
- NPI
- 1255329926NPI Registry (opens in a new tab)
- NPI enumeration date
- October 7, 2005
- NPI status
- Active
- Practice phone
- (864) 295-3492
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Oscar Rainer practices at Pathology Associates of Greenville - Greenville (Memorial Medical Ct) in Greenville, South Carolina
Dr. Rainer's primary practice is Pathology Associates of Greenville - Greenville (Memorial Medical Ct), at 8 Memorial Medical Ct Suite 1 Suite 1, Greenville, SC 29605-4400. The practice phone is (864) 295-3492.
- Pathology Associates of Greenville - Greenville (Memorial Medical Ct)8 Memorial Medical Ct Suite 1 Suite 1, Greenville, SC 29605-4400Phone(864) 295-3492
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Oscar Rainer is affiliated with 1 site of care and 1 medical group
Dr. Rainer's primary practice is Pathology Associates Of Greenville - Greenville (Memorial Medical Ct) in Greenville, South Carolina. The medical group on file is Pathology Consultants, Inc.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Robert Oscar Rainer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rainer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pathology Associates Of Greenville - Greenville (Memorial Medical Ct) | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Oscar Rainer is one of 173 pathologists in South Carolina
Anatomic pathology and clinical pathology is Dr. Rainer's primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dmand AI has Dr. Rainer's licenses on file in 2 states: South Carolina and North Carolina.
Specialties and state licenses
- Anatomic pathology and clinical pathology, South CarolinaPrimary
- North Carolina license
Pathologists near Dr. Rainer
Counts of pathologists 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 Oscar Rainer billed Medicare for 70 services in 2023
CMS data shows 70 Medicare services from Dr. Rainer across 2 procedure codes in 2023. Medicare paid $898 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Rainer's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Lab and pathology
- 2022: 1332023: 7047%
Dr. Rainer compared with the South Carolina median for pathologists, 2023
- Dr. Rainer
- South Carolina median
- Medicare services
- 70vs 1,80196% below
Medians across 172 pathologists in South Carolina with Dmand AI profiles that report each measure.
Dr. Rainer'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. Rainer and other pathologists in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Oscar Rainer's patients have a median age of 63
Across all payers, Dmand AI patient panel data puts Dr. Rainer's median patient age at 63, with 20% women.
Dr. Rainer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women20%
- Men80%
Source: Dmand AI Patient Panel Data
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Dr. Robert Oscar Rainer received $509 in industry payments from 2018 to 2025
CMS Open Payments shows 4 general payments to Dr. Rainer from 4 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Terumo BCT, Inc. paid the most, $159.
General payments to Dr. Rainer by program year, 2018 to 2025
Companies that paid Dr. Rainer 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. Robert Oscar Rainer graduated from Medical University of South Carolina College of Medicine
Dr. Rainer graduated from Medical University of South Carolina College of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert Oscar Rainer'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 |
| 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 Oscar Rainer
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 Oscar Rainer's NPI number?
Dr. Robert Oscar Rainer's NPI number is 1255329926. It was assigned on October 7, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Oscar Rainer?
Dr. Robert Oscar Rainer is a pathologist in Greenville, South Carolina. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).
Where does Dr. Robert Oscar Rainer practice?
Dr. Rainer practices at 8 Memorial Medical Ct Suite 1 Suite 1, Greenville, SC 29605-4400. Dr. Rainer's primary practice is Pathology Associates Of Greenville - Greenville (Memorial Medical Ct) in Greenville, South Carolina.
What is Dr. Robert Oscar Rainer's office phone number?
The practice phone on file for Dr. Rainer is (864) 295-3492.
What is Dr. Robert Oscar Rainer's medical license number?
Dr. Rainer holds South Carolina license 19352, one of the licenses on file in 2 states.
Which states has Dr. Robert Oscar Rainer been licensed in?
Dmand AI has state licenses on file for Dr. Rainer in South Carolina and North Carolina.
What medical group is Dr. Robert Oscar Rainer part of?
Dr. Rainer is linked to Pathology Consultants, Inc.
Does Dr. Robert Oscar Rainer accept Medicare?
Yes. CMS data shows Dr. Rainer billed Medicare for 70 services in 2023.
What services does Dr. Robert Oscar Rainer bill to Medicare?
In 2023, Dr. Rainer's most billed Medicare services were lab and pathology test (83020) and lab and pathology test (89060).
Where did Dr. Robert Oscar Rainer go to medical school?
Dr. Rainer graduated from Medical University of South Carolina College of Medicine in 1988.
Has Dr. Robert Oscar Rainer received payments from drug or device companies?
CMS Open Payments shows $509 in general payments to Dr. Rainer from 4 companies from 2018 to 2025. The largest total came from Terumo BCT, Inc.
How long has Dr. Robert Oscar Rainer been practicing?
Dr. Rainer graduated from medical school in 1988, 38 years ago.
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