Dr. Orest Olehovych Kayder, DO
- Part D claims, 2024
- 57
- Hospital affiliations
- 4
- Industry payments
- $3,454
- Medical group
- 1
- State license
- 1
- Practice address
- 2435 Forest Drive, Columbia, SC 29204
- Practice phone
- Call (803) 256-5300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Kayder'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. Orest Olehovych Kayder is an interventional radiologist in Columbia, South Carolina
Dr. Kayder practices at MUSC Health Columbia Medical Center Downtown in Columbia, South Carolina, part of Medical University of South Carolina.
Dr. Kayder's NPI, 1124681820, was assigned on April 17, 2019. Dr. Kayder graduated from Kansas City College of Medicine and Surgery in 2019. Dr. Kayder holds South Carolina license MDO.91079.
- NPI
- 1124681820NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244651792
- NPI enumeration date
- April 17, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (803) 256-5300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Orest Olehovych Kayder practices at MUSC Health Columbia Medical Center Downtown in Columbia, South Carolina
Dr. Kayder's primary practice is MUSC Health Columbia Medical Center Downtown, at 2435 Forest Drive, Columbia, SC 29204 in Richland County. The practice phone is (803) 256-5300.
- MUSC Health Columbia Medical Center Downtown2435 Forest Drive, Columbia, SC 29204 · Richland CountyPhone(803) 256-5300
Source: Dmand AI Affiliation Data
Dr. Orest Olehovych Kayder is affiliated with 4 sites of care and 1 medical group
Dr. Kayder's primary practice is MUSC Health Columbia Medical Center Downtown in Columbia, South Carolina, part of Medical University of South Carolina. Dr. Kayder is also affiliated with Prisma Health Richland Hospital. The medical group on file is MUSC Community Physicians. Dmand AI also links Dr. Kayder to 2 more hospitals, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Orest Olehovych Kayder's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kayder practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MUSC Health Columbia Medical Center Downtown | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Orest Olehovych Kayder is one of 63 interventional radiologists in South Carolina
Vascular and interventional radiology is Dr. Kayder's primary specialty in the NPI Registry, under taxonomy code 2085R0204X. Dr. Kayder is licensed in South Carolina.
Specialties and state licenses
- Vascular and interventional radiology, South CarolinaPrimary
Interventional radiologists near Dr. Kayder
Counts of interventional radiologists 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. Orest Olehovych Kayder's patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Dr. Kayder's median patient age at 62, with 56% women.
Dr. Kayder's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women56%
- Men43%
Source: Dmand AI Patient Panel Data
Dr. Orest Olehovych Kayder wrote 57 Medicare Part D claims in 2024
In 2024, Dr. Kayder wrote 57 Medicare Part D claims for 23 patients. 98% of them were for generic drugs. CMS names the drug for 27 of them, across 2 drugs with 11 or more claims each, at $116 in total drug cost.
Dr. Kayder's Part D claims by kind of drug, 2024
- Generic56 claims98%
- Brand-name and other1 claims2%
Dr. Kayder'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. Kayder's Part D claims, 2024
- Opioids25%14 of 57 claims
- Antibiotics26%15 of 57 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Orest Olehovych Kayder takes part in Medicare
Dr. Kayder 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. Orest Olehovych Kayder received $3,454 in industry payments from 2022 to 2025
CMS Open Payments shows 40 general payments to Dr. Kayder from 4 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 56% of the total. Penumbra, Inc. paid the most, $1,745.
General payments to Dr. Kayder by program year, 2022 to 2025
General payments to Dr. Kayder by kind, 2022 to 2025
- Food and beverage$1,93456%
- Travel and lodging$1,52044%
Companies that paid Dr. Kayder the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Orest Olehovych Kayder graduated from Kansas City College of Medicine and Surgery
Dr. Kayder graduated from Kansas City College of Medicine and Surgery in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Orest Olehovych Kayder'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 DataDmand AI Org Hierarchy Data |
| 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) |
| 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. Orest Olehovych Kayder
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. Orest Olehovych Kayder's NPI number?
Dr. Orest Olehovych Kayder's NPI number is 1124681820. It was assigned on April 17, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Orest Olehovych Kayder?
Dr. Orest Olehovych Kayder is an interventional radiologist in Columbia, South Carolina. The primary specialty in the NPI Registry is Vascular & Interventional Radiology Physician (taxonomy code 2085R0204X).
Where does Dr. Orest Olehovych Kayder practice?
Dr. Kayder practices at 2435 Forest Drive, Columbia, SC 29204. Dr. Kayder's primary practice is MUSC Health Columbia Medical Center Downtown in Columbia, South Carolina, part of Medical University of South Carolina. Dmand AI also links Dr. Kayder to 2 hospitals.
What is Dr. Orest Olehovych Kayder's office phone number?
The practice phone on file for Dr. Kayder is (803) 256-5300.
What is Dr. Orest Olehovych Kayder's medical license number?
Dr. Kayder holds South Carolina license MDO.91079.
Which hospitals is Dr. Orest Olehovych Kayder affiliated with?
Dr. Kayder practices at MUSC Health Columbia Medical Center Downtown in Columbia, South Carolina. Dr. Kayder is also affiliated with Prisma Health Richland Hospital. Dmand AI links Dr. Kayder to 2 more hospitals.
What medical group is Dr. Orest Olehovych Kayder part of?
Dr. Kayder is linked to MUSC Community Physicians.
Does Dr. Orest Olehovych Kayder accept Medicare?
Yes. CMS lists Dr. Kayder as accepting Medicare assignment.
Where did Dr. Orest Olehovych Kayder go to medical school?
Dr. Kayder graduated from Kansas City College of Medicine and Surgery in 2019.
What drugs does Dr. Orest Olehovych Kayder prescribe most?
In 2024 Medicare Part D data, Dr. Kayder's most prescribed drugs by claims were Ondansetron HCl and Oxycodone HCl.
Has Dr. Orest Olehovych Kayder received payments from drug or device companies?
CMS Open Payments shows $3,454 in general payments to Dr. Kayder from 4 companies from 2022 to 2025. The largest total came from Penumbra, Inc.
How long has Dr. Orest Olehovych Kayder been practicing?
Dr. Kayder graduated from medical school in 2019, 7 years ago.
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