Dr. Onan Walker Bomar IV, MD
- Medicare services, 2020
- 33
- Part D claims, 2024
- 6,312
- Industry payments
- $14
- Affiliated sites
- 4
- Medical groups
- 4
- Practice address
- 3825 Faber Place Drive, North Charleston, SC 29405
- Practice phone
- Call (843) 323-8651
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Labcorp - North Charleston
Clinical Lab - Full Service · North Charleston, South Carolina
Find Dr. Bomar's professional email, personal email and mobile number
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Dr. Onan Walker Bomar IV is an internist in North Charleston, South Carolina
Dr. Bomar practices at Labcorp - North Charleston in North Charleston, South Carolina.
Dr. Bomar's NPI, 1740445543, was assigned on July 22, 2008. Dr. Bomar graduated from Meharry Medical College School of Medicine in 2008. Dr. Bomar holds Virginia license 0101255432.
- NPI
- 1740445543NPI Registry (opens in a new tab)
- NPI enumeration date
- July 22, 2008
- NPI status
- Active
- Practice phone
- (843) 323-8651
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Onan Walker Bomar IV practices at Labcorp - North Charleston in North Charleston, South Carolina
Dr. Bomar's primary practice is Labcorp - North Charleston, at 3825 Faber Place Drive, North Charleston, SC 29405. The practice phone is (843) 323-8651.
- Labcorp - North Charleston3825 Faber Place Drive, North Charleston, SC 29405Phone(843) 323-8651
Source: Dmand AI Affiliation Data
Dr. Onan Walker Bomar IV is affiliated with 4 sites of care and 4 medical groups
Dr. Bomar's primary practice is Labcorp - North Charleston in North Charleston, South Carolina. The medical group on file is Mary Washington Healthcare. Dmand AI also links Dr. Bomar to 3 more medical groups, 2 group practices and clinics and 1 physician office, 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. Onan Walker Bomar IV's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bomar practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Labcorp - North Charleston | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Onan Walker Bomar IV is one of 1,707 internists in South Carolina
Internal medicine is Dr. Bomar's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Bomar is licensed in Virginia.
Specialties and state licenses
- Internal medicine, VirginiaPrimary
Internists near Dr. Bomar
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. Onan Walker Bomar IV billed Medicare for 33 services in 2020
CMS data shows 33 Medicare services from Dr. Bomar across 1 procedure code in 2020. Medicare paid $98 for them. Every service was in an office.
Dr. Bomar's Medicare services by type, 2018 to 2020
- 2018
- 2020
- Surgery
- 2018: 02020: 33
- Office and hospital visits
- 2018: 1242020: 0100%
Dr. Bomar compared with the South Carolina median for internists, 2020
- Dr. Bomar
- South Carolina median
- Medicare services
- 33vs 74096% below
- Part D claims
- 5,761vs 33117.4 times
Medians across 1,708 internists in South Carolina with Dmand AI profiles that report each measure.
Dr. Bomar's most billed Medicare procedure codes, 2020
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. Bomar and other internists in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Onan Walker Bomar IV's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Bomar's median patient age at 72, with 54% women.
Dr. Bomar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women54%
- Men46%
Source: Dmand AI Patient Panel Data
Dr. Onan Walker Bomar IV wrote 6,312 Medicare Part D claims in 2024
In 2024, Dr. Bomar wrote 6,312 Medicare Part D claims for 473 patients. 89% of them were for generic drugs. CMS names the drug for 5,761 of them, across 90 drugs with 11 or more claims each, at $243,550 in total drug cost. In 2023, CMS named 5,885 claims across 91 drugs.
Dr. Bomar's Part D claims by kind of drug, 2024
- Generic5,628 claims89%
- Brand-name619 claims10%
- Other65 claims1%
Dr. Bomar'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. Bomar's Part D claims, 2024
- Opioids0%12 of 6,312 claims
- Antibiotics1%87 of 6,312 claims
- Antipsychotics, patients 65 and over0%19 of 6,312 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: 5,8852024: 5,7612%
Drugs named by CMS: 90 in 2024, 91 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
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Dr. Onan Walker Bomar IV received $14 in industry payments in 2020
CMS Open Payments shows 1 general payment to Dr. Bomar from 1 drug or device company in 2020. Food and beverage make up the largest share, 100% of the total. ViiV Healthcare Company paid the most, $14.
Companies that paid Dr. Bomar the most, 2020 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Onan Walker Bomar IV graduated from Meharry Medical College School of Medicine
Dr. Bomar graduated from Meharry Medical College School of Medicine in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Onan Walker Bomar IV'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 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 |
| 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) |
| 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. Onan Walker Bomar IV
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. Onan Walker Bomar IV's NPI number?
Dr. Onan Walker Bomar IV's NPI number is 1740445543. It was assigned on July 22, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Onan Walker Bomar IV?
Dr. Onan Walker Bomar IV is an internist in North Charleston, South Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Onan Walker Bomar IV practice?
Dr. Bomar practices at 3825 Faber Place Drive, North Charleston, SC 29405. Dr. Bomar's primary practice is Labcorp - North Charleston in North Charleston, South Carolina. Dmand AI also links Dr. Bomar to 3 medical groups, 2 group practices and clinics and 1 physician office.
What is Dr. Onan Walker Bomar IV's office phone number?
The practice phone on file for Dr. Bomar is (843) 323-8651.
What is Dr. Onan Walker Bomar IV's medical license number?
Dr. Bomar holds Virginia license 0101255432.
What medical group is Dr. Onan Walker Bomar IV part of?
Dr. Bomar is linked to Mary Washington Healthcare. Dmand AI links Dr. Bomar to 3 more medical groups.
Does Dr. Onan Walker Bomar IV accept Medicare?
Yes. CMS data shows Dr. Bomar billed Medicare for 33 services in 2020.
What services does Dr. Onan Walker Bomar IV bill to Medicare?
In 2020, Dr. Bomar's most billed Medicare services were surgery: heart and blood vessels (36415).
Where did Dr. Onan Walker Bomar IV go to medical school?
Dr. Bomar graduated from Meharry Medical College School of Medicine in 2008.
What drugs does Dr. Onan Walker Bomar IV prescribe most?
In 2024 Medicare Part D data, Dr. Bomar's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Albuterol Sulfate Hfa.
Has Dr. Onan Walker Bomar IV received payments from drug or device companies?
CMS Open Payments shows $14 in general payments to Dr. Bomar from 1 company from 2020 to 2020. The largest total came from ViiV Healthcare Company.
How long has Dr. Onan Walker Bomar IV been practicing?
Dr. Bomar graduated from medical school in 2008, 18 years ago.
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