Dr. Leon Walker Herndon Jr., MD
- Medicare services, 2024
- 2,806
- Medicare patients, 2024
- 602
- Part D claims, 2024
- 2,288
- Hospital affiliations
- 1
- Industry payments
- $67,854
- Practice address
- 2301 Erwin Rd, Durham, NC 27705
- Practice phone
- Call (919) 684-8111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Herndon's professional email, personal email and mobile number
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Dr. Leon Walker Herndon Jr. is an ophthalmologist in Durham, North Carolina
Dr. Herndon practices at Duke University Hospital in Durham, North Carolina, part of Duke University.
Dr. Herndon's NPI, 1992889059, was assigned on October 25, 2006. Dr. Herndon graduated from University of North Carolina at Chapel Hill School of Medicine in 1991. Dr. Herndon holds North Carolina license 9500612.
- NPI
- 1992889059NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951446707
- NPI enumeration date
- October 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (919) 684-8111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leon Walker Herndon Jr. practices at Duke University Hospital in Durham, North Carolina
Dr. Herndon's primary practice is Duke University Hospital, at 2301 Erwin Rd, Durham, NC 27705 in Durham County. The practice phone is (919) 684-8111.
- Duke University Hospital2301 Erwin Rd, Durham, NC 27705 · Durham CountyPhone(919) 684-8111
Source: Dmand AI Affiliation Data
Dr. Leon Walker Herndon Jr. is affiliated with 2 sites of care and 1 medical group
Dr. Herndon's primary practice is Duke University Hospital in Durham, North Carolina, part of Duke University. The medical group on file is Duke Health Integrated Practice. Dmand AI also links Dr. Herndon to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Leon Walker Herndon Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Herndon practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Duke University Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Duke University and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Leon Walker Herndon Jr. is one of 552 ophthalmologists in North Carolina
Ophthalmology is Dr. Herndon's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Herndon is licensed in North Carolina.
Specialties and state licenses
- Ophthalmology, North CarolinaPrimary
Ophthalmologists near Dr. Herndon
Counts of ophthalmologists 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. Leon Walker Herndon Jr. billed Medicare for 2,806 services in 2024
CMS data shows 2,806 Medicare services from Dr. Herndon across 24 procedure codes in 2024, for 602 Medicare patients. Medicare paid $252,418 for them.
Dr. Herndon's Medicare services by type, 2024
- Tests and treatments1,140
- Office and hospital visits791
- Other services484
- Surgery307
- Imaging84
Where Dr. Herndon's Medicare services took place, 2024
- In an office2,55891%
- In a facility2489%
Dr. Herndon compared with the North Carolina median for ophthalmologists, 2024
- Dr. Herndon
- North Carolina median
- Medicare services
- 2,806vs 1,70165% above
- Medicare patients
- 602vs 5666% above
- Part D claims
- 2,203vs 6203.6 times
Medians across 580 ophthalmologists in North Carolina with Dmand AI profiles that report each measure.
Dr. Herndon's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Herndon?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Herndon and other ophthalmologists in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leon Walker Herndon Jr. treated 602 Medicare patients in 2024, average age 77
CMS counts 602 Medicare patients who saw Dr. Herndon in 2024. The largest group is 75 to 84, with 272 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Herndon's median patient age at 75, with 60% women.
Dr. Herndon's Medicare patients by age, 2024
Dr. Herndon's Medicare patients by sex, 2024
- Women33556%
- Men26744%
Chronic conditions among Dr. Herndon's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis44%
- Diabetes28%
- Chronic kidney disease26%
- Ischemic heart disease20%
- Anxiety19%
- Cancer18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Herndon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Leon Walker Herndon Jr. wrote 2,288 Medicare Part D claims in 2024
In 2024, Dr. Herndon wrote 2,288 Medicare Part D claims for 587 patients. 72% of them were for generic drugs. CMS names the drug for 2,203 of them, across 23 drugs with 11 or more claims each, at $137,797 in total drug cost.
Dr. Herndon's Part D claims by kind of drug, 2024
- Generic1,642 claims72%
- Brand-name646 claims28%
Dr. Herndon'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.
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
Dr. Leon Walker Herndon Jr. ranks in the 72nd percentile for cataract surgery in Medicare
Dr. Herndon accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 88 procedures of cataract surgery by Dr. Herndon, more than 72% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Herndon ranks in Medicare procedure volume
- Cataract surgery
- 72nd percentile88 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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Dr. Leon Walker Herndon Jr. received $67,854 in industry payments from 2024 to 2025
CMS Open Payments shows 64 general payments to Dr. Herndon from 9 drug and device companies from 2024 to 2025. Speaker and faculty fees make up the largest share, 47% of the total. Sight Sciences, Inc. paid the most, $24,982. It also lists 1 research payment totaling $3,250 in 2025.
General payments to Dr. Herndon by program year, 2024 to 2025
General payments to Dr. Herndon by kind, 2024 to 2025
- Speaker and faculty fees$31,62547%
- Consulting fees$12,99519%
- Travel and lodging$11,72717%
- Honoraria$9,70014%
- Food and beverage$1,8073%
Companies that paid Dr. Herndon the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leon Walker Herndon Jr. graduated from University of North Carolina at Chapel Hill School of Medicine
Dr. Herndon graduated from University of North Carolina at Chapel Hill School of Medicine in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Leon Walker Herndon Jr.'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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)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 Dr. Leon Walker Herndon Jr.
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. Leon Walker Herndon Jr.'s NPI number?
Dr. Leon Walker Herndon Jr.'s NPI number is 1992889059. It was assigned on October 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Leon Walker Herndon Jr.?
Dr. Leon Walker Herndon Jr. is an ophthalmologist in Durham, North Carolina. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Leon Walker Herndon Jr. practice?
Dr. Herndon practices at 2301 Erwin Rd, Durham, NC 27705. Dr. Herndon's primary practice is Duke University Hospital in Durham, North Carolina, part of Duke University. Dmand AI also links Dr. Herndon to 1 group practice or clinic.
What is Dr. Leon Walker Herndon Jr.'s office phone number?
The practice phone on file for Dr. Herndon is (919) 684-8111.
What is Dr. Leon Walker Herndon Jr.'s medical license number?
Dr. Herndon holds North Carolina license 9500612.
Which hospitals is Dr. Leon Walker Herndon Jr. affiliated with?
Dr. Herndon practices at Duke University Hospital in Durham, North Carolina.
What medical group is Dr. Leon Walker Herndon Jr. part of?
Dr. Herndon is linked to Duke Health Integrated Practice.
Does Dr. Leon Walker Herndon Jr. accept Medicare?
Yes. CMS data shows Dr. Herndon billed Medicare for 2,806 services in 2024, and Dr. Herndon accepts Medicare assignment.
How many Medicare patients does Dr. Leon Walker Herndon Jr. see?
CMS counts 602 Medicare patients who saw Dr. Herndon in 2024, with an average age of 77.
What services does Dr. Leon Walker Herndon Jr. bill to Medicare?
In 2024, Dr. Herndon's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and eye exam or test (92083).
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Where did Dr. Leon Walker Herndon Jr. go to medical school?
Dr. Herndon graduated from University of North Carolina at Chapel Hill School of Medicine in 1991.
What drugs does Dr. Leon Walker Herndon Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Herndon's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Brimonidine Tartrate.
Has Dr. Leon Walker Herndon Jr. received payments from drug or device companies?
CMS Open Payments shows $67,854 in general payments to Dr. Herndon from 9 companies from 2024 to 2025. The largest total came from Sight Sciences, Inc.
How long has Dr. Leon Walker Herndon Jr. been practicing?
Dr. Herndon graduated from medical school in 1991, 35 years ago.
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