John B. Knight, OD
- Medicare patients, 2024
- 355
- Part D claims, 2024
- 711
- Hospital affiliations
- 1
- Industry payments
- $50
- Medical group
- 1
- Practice address
- 508 Fulton Street, Durham, NC 27705
- Practice phone
- Call (919) 286-0411
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find John Knight'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.
John B. Knight is an optometrist in Durham, North Carolina
John Knight practices at Durham VA Medical Center in Durham, North Carolina, part of Veterans Health Administration.
John Knight's NPI, 1972666030, was assigned on December 19, 2006. John Knight graduated from Southern College of Optometry in 1982. John Knight holds West Virginia license 761D.
- NPI
- 1972666030NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941257166
- NPI enumeration date
- December 19, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (919) 286-0411
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John B. Knight practices at Durham VA Medical Center in Durham, North Carolina
John Knight's primary practice is Durham VA Medical Center, at 508 Fulton Street, Durham, NC 27705 in Durham County. The practice phone is (919) 286-0411.
- Durham VA Medical Center508 Fulton Street, Durham, NC 27705 · Durham CountyPhone(919) 286-0411
Source: Dmand AI Affiliation Data
John B. Knight is affiliated with 3 sites of care and 1 medical group
John Knight's primary practice is Durham VA Medical Center in Durham, North Carolina, part of Veterans Health Administration. Dmand AI also links John Knight to 1 physician office, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at John B. Knight's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Knight practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Durham VA Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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John B. Knight is one of 1,111 optometrists in North Carolina
Optometrist is John Knight's primary specialty in the NPI Registry, under taxonomy code 152W00000X. John Knight is licensed in West Virginia.
Specialties and state licenses
- Optometrist, West VirginiaPrimary
Optometrists near John Knight
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
John B. Knight treated 355 Medicare patients in 2024, average age 74
CMS counts 355 Medicare patients who saw John Knight in 2024. The largest group is 65 to 74, with 170 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.02, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Knight's median patient age at 73, with 57% women.
John Knight's Medicare patients by age, 2024
John Knight's Medicare patients by sex, 2024
- Women21159%
- Men14441%
Chronic conditions among John Knight's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Diabetes34%
- Anxiety29%
- Chronic kidney disease26%
- Mood disorders25%
- Depression23%
Share of Medicare patients with each condition. A patient can have several.
John Knight's 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
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John B. Knight wrote 711 Medicare Part D claims in 2024
In 2024, John Knight wrote 711 Medicare Part D claims for 193 patients. 86% of them were for generic drugs.
John Knight's Part D claims by kind of drug, 2024
- Generic613 claims86%
- Brand-name98 claims14%
Drug classes CMS tracks in John Knight's Part D claims, 2024
- Antibiotics2%17 of 711 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
John B. Knight ranks in the 77th percentile for cataract surgery in Medicare
John Knight accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 123 procedures of cataract surgery by John Knight, more than 77% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where John Knight ranks in Medicare procedure volume
- Cataract surgery
- 77th percentile123 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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John B. Knight received $50 in industry payments in 2025
CMS Open Payments shows 2 general payments to John Knight from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Bausch & Lomb Americas Inc. paid the most, $50.
Companies that paid John Knight the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
John B. Knight graduated from Southern College of Optometry
John Knight graduated from Southern College of Optometry in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for John B. Knight'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | 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)Doctors and Clinicians Utilization Data (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 John B. Knight
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John B. Knight's NPI number?
John B. Knight's NPI number is 1972666030. It was assigned on December 19, 2006, and it is active in the NPI Registry.
What does John B. Knight specialize in?
John B. Knight is an optometrist in Durham, North Carolina. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does John B. Knight practice?
John Knight practices at 508 Fulton Street, Durham, NC 27705. John Knight's primary practice is Durham VA Medical Center in Durham, North Carolina, part of Veterans Health Administration. Dmand AI also links John Knight to 1 physician office, 1 group practice or clinic and 1 medical group.
What is John B. Knight's office phone number?
The practice phone on file for John Knight is (919) 286-0411.
What is John B. Knight's medical license number?
John Knight holds West Virginia license 761D.
Which hospitals is John B. Knight affiliated with?
John Knight practices at Durham VA Medical Center in Durham, North Carolina.
Does John B. Knight accept Medicare?
Yes. CMS lists John Knight as accepting Medicare assignment.
How many Medicare patients does John B. Knight see?
CMS counts 355 Medicare patients who saw John Knight in 2024, with an average age of 74.
Where did John B. Knight go to medical school?
John Knight graduated from Southern College of Optometry in 1982.
Has John B. Knight received payments from drug or device companies?
CMS Open Payments shows $50 in general payments to John Knight from 1 company from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has John B. Knight been practicing?
John Knight graduated from medical school in 1982, 44 years ago.
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