Benjamin Jacob Ondersma, OD
- Part D claims, 2024
- 155
- Industry payments
- $106
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 1283 Broad St, Sumter, SC 29150
- Practice phone
- Call (803) 905-5528
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Wal-Mart Stores East
Sumter, South Carolina
Find Benjamin Ondersma'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.
Benjamin Jacob Ondersma is an optometrist in Sumter, South Carolina
Benjamin Ondersma practices at Wal-Mart Stores East in Sumter, South Carolina.
Benjamin Ondersma's NPI, 1649590936, was assigned on June 9, 2010. Benjamin Ondersma graduated from Ferris State College - College of Optometry in 2010. Benjamin Ondersma holds South Carolina license 1609.
- NPI
- 1649590936NPI Registry (opens in a new tab)
- NPI enumeration date
- June 9, 2010
- NPI status
- Active
- Practice phone
- (803) 905-5528
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Benjamin Jacob Ondersma practices at Wal-Mart Stores East in Sumter, South Carolina
Benjamin Ondersma's primary practice is Wal-Mart Stores East, at 1283 Broad St, Sumter, SC 29150 in Sumter County. The practice phone is (803) 905-5528.
- Wal-Mart Stores East1283 Broad St, Sumter, SC 29150 · Sumter CountyPhone(803) 905-5528
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Benjamin Jacob Ondersma is affiliated with 2 sites of care and 1 medical group
Benjamin Ondersma's primary practice is Wal-Mart Stores East in Sumter, South Carolina. Dmand AI also links Benjamin Ondersma to 1 group practice or clinic 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 Benjamin Jacob Ondersma's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Benjamin Ondersma practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Wal-Mart Stores East | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Benjamin Jacob Ondersma is one of 651 optometrists in South Carolina
Optometrist is Benjamin Ondersma's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Benjamin Ondersma is licensed in South Carolina.
Specialties and state licenses
- Optometrist, South CarolinaPrimary
Optometrists near Benjamin Ondersma
Counts of optometrists 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
Benjamin Jacob Ondersma's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Benjamin Ondersma's median patient age at 69, with 66% women.
Benjamin Ondersma's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women66%
- Men32%
Source: Dmand AI Patient Panel Data
Benjamin Jacob Ondersma wrote 155 Medicare Part D claims in 2024
In 2024, Benjamin Ondersma wrote 155 Medicare Part D claims for 40 patients. 75% of them were for generic drugs.
Benjamin Ondersma's Part D claims by kind of drug, 2024
- Generic116 claims75%
- Brand-name39 claims25%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Benjamin Jacob Ondersma received $106 in industry payments in 2025
CMS Open Payments shows 5 general payments to Benjamin Ondersma from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Bausch & Lomb Americas Inc. paid the most, $58.
Companies that paid Benjamin Ondersma the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Benjamin Jacob Ondersma graduated from Ferris State College - College of Optometry
Benjamin Ondersma graduated from Ferris State College - College of Optometry in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Benjamin Jacob Ondersma'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 Benjamin Jacob Ondersma
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Benjamin Jacob Ondersma's NPI number?
Benjamin Jacob Ondersma's NPI number is 1649590936. It was assigned on June 9, 2010, and it is active in the NPI Registry.
What does Benjamin Jacob Ondersma specialize in?
Benjamin Jacob Ondersma is an optometrist in Sumter, South Carolina. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Benjamin Jacob Ondersma practice?
Benjamin Ondersma practices at 1283 Broad St, Sumter, SC 29150. Benjamin Ondersma's primary practice is Wal-Mart Stores East in Sumter, South Carolina. Dmand AI also links Benjamin Ondersma to 1 group practice or clinic and 1 medical group.
What is Benjamin Jacob Ondersma's office phone number?
The practice phone on file for Benjamin Ondersma is (803) 905-5528.
What is Benjamin Jacob Ondersma's medical license number?
Benjamin Ondersma holds South Carolina license 1609.
Where did Benjamin Jacob Ondersma go to medical school?
Benjamin Ondersma graduated from Ferris State College - College of Optometry in 2010.
Has Benjamin Jacob Ondersma received payments from drug or device companies?
CMS Open Payments shows $106 in general payments to Benjamin Ondersma from 3 companies from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has Benjamin Jacob Ondersma been practicing?
Benjamin Ondersma graduated from medical school in 2010, 16 years ago.
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