JAMA Ophthalmol
AlgorithmsData Interpretation, StatisticalDiabetes Mellitus, Type 1
Dr. Otis Bennett Walton IV, MD
NPI1942591839PAC ID1153637764
- Medicare services, 2024
- 814
- Medicare patients, 2024
- 216
- Part D claims, 2024
- 551
- Publications
- 5
- Clinical trials
- 1
- Practice address
- 2459 S Braeswood Blvd, Houston, TX 77030
- Practice phone
- Call (713) 529-8600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Memorial Hermann Surgery Center Kirby Glen
Surgery Center - Medicare-Certified · Houston, Texas
Find Dr. Walton's professional email, personal email and mobile number
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Dr. Otis Bennett Walton IV is an ophthalmologist in Houston, Texas
Dr. Walton practices at Memorial Hermann Surgery Center Kirby Glen in Houston, Texas.
Dr. Walton's NPI, 1942591839, was assigned on April 26, 2011. Dr. Walton graduated from Baylor College Of Medicine in 2011. Dr. Walton holds Texas license Q4543.
NPI and contact details
- NPI
- 1942591839NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1153637764
- NPI enumeration date
- April 26, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (713) 529-8600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Otis Bennett Walton IV practices at Memorial Hermann Surgery Center Kirby Glen in Houston, Texas
Dr. Walton's primary practice is Memorial Hermann Surgery Center Kirby Glen, at 2459 S Braeswood Blvd, Houston, TX 77030. The practice phone is (713) 529-8600.
- Memorial Hermann Surgery Center Kirby Glen2459 S Braeswood Blvd, Houston, TX 77030Phone(713) 529-8600
Source: Dmand AI Affiliation Data
Dr. Otis Bennett Walton IV is affiliated with 2 sites of care and 1 medical group
Dr. Walton's primary practice is Memorial Hermann Surgery Center Kirby Glen in Houston, Texas. Dmand AI also links Dr. Walton to 1 group practice or clinic and 1 medical group, each named with a free account.
Memorial Hermann Surgery Center Kirby GlenPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Otis Bennett Walton IV's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walton practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Memorial Hermann Surgery Center Kirby Glen | 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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Dr. Otis Bennett Walton IV is one of 1,311 ophthalmologists in Texas
Ophthalmology is Dr. Walton's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Walton is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Walton's licenses on file in 2 states: Texas and North Carolina.
Specialties and state licenses
- Ophthalmology, TexasPrimary
- North Carolina license
Clinical focus
Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, cold sores or genital herpes, dry eye, eye infection or inflammation, eyelid inflammation and glaucoma among the conditions Dr. Walton treats.
Ophthalmologists near Dr. Walton
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. Otis Bennett Walton IV billed Medicare for 814 services in 2024
CMS data shows 814 Medicare services from Dr. Walton across 12 procedure codes in 2024, for 216 Medicare patients. Medicare paid $95,171 for them.
Medicare services, 2024814
Medicare patients216
Paid by Medicare$95,171
Procedure codes12
Dr. Walton's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1732024: 463168%
- Office and hospital visits
- 2023: 02024: 190
- Surgery
- 2023: 1542024: 1615%
- Imaging
- 2023: 202024: 0100%
Where Dr. Walton's Medicare services took place, 2024
- In an office68484%
- In a facility13016%
Dr. Walton compared with the Texas median for ophthalmologists, 2024
- Dr. Walton
- Texas median
- Medicare services
- 814vs 1,35340% below
- Medicare patients
- 216vs 49256% below
- Part D claims
- 504vs 61318% below
Medians across 1,290 ophthalmologists in Texas with Dmand AI profiles that report each measure.
Dr. Walton'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. Walton?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Walton and other ophthalmologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Otis Bennett Walton IV treated 216 Medicare patients in 2024, average age 74
CMS counts 216 Medicare patients who saw Dr. Walton in 2024. The largest group is 65 to 74, with 130 patients. 75% of them have high cholesterol, and 66% have high blood pressure. Their average risk score is 0.78, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Walton's median patient age at 71, with 59% women.
Medicare patients, 2024216
Average age74
Average risk score0.78
Dr. Walton's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Walton's Medicare patients by sex, 2024
- Women13462%
- Men8238%
Chronic conditions among Dr. Walton's Medicare patients, 2024
- High cholesterol75%
- High blood pressure66%
- Arthritis40%
- Ischemic heart disease29%
- Diabetes23%
- Osteoporosis18%
- Anxiety17%
- Chronic kidney disease16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Walton's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women59%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Otis Bennett Walton IV wrote 551 Medicare Part D claims in 2024
In 2024, Dr. Walton wrote 551 Medicare Part D claims for 150 patients. 45% of them were for generic drugs. CMS names the drug for 504 of them, across 6 drugs with 11 or more claims each, at $33,548 in total drug cost. In 2023, CMS named 330 claims across 6 drugs.
Part D claims, 2024551
Drugs named by CMS6
Total drug cost$33,548
Part D patients150
Dr. Walton's Part D claims by kind of drug, 2024
- Generic246 claims45%
- Brand-name305 claims55%
Dr. Walton'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3302024: 50453%
Drugs named by CMS: 6 in 2024, 6 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
Dr. Otis Bennett Walton IV ranks in the 88th percentile for cataract surgery in Medicare
Dr. Walton accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 275 procedures of cataract surgery by Dr. Walton, more than 88% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Walton ranks in Medicare procedure volume
- Cataract surgery
- 88th percentile275 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. Otis Bennett Walton IV has 5 publications on record
Dmand AI links 5 papers to Dr. Walton. Dr. Walton's most frequent co-authors are Kathryn Camero, Petros Euthymiou Carvounis, MD and Yvonne I-Fang Chu, MD.
Papers5
Dr. Walton's most frequent co-authors
- Kathryn Camero1 shared paper
- Petros Euthymiou Carvounis, MD1 shared paper
- Yvonne I-Fang Chu, MD1 shared paper
Recent publications by Dr. Walton
See who Dr. Walton researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Walton works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Otis Bennett Walton IV has worked on 1 clinical trial
Dmand AI links Dr. Walton to 1 clinical trial. Conditions studied include Aphakia and Cataract. Open Payments lists research payments to Dr. Walton that name 1 trial.
Conditions in Dr. Walton's trials
- Aphakia
- Cataract
Investigators on the most trials with Dr. Walton
- Brandon James Baartman, MD1 shared trial
- Shamik Bafna, MD1 shared trial
- John Frederick Doane, MD1 shared trial
Recent clinical trials with Dr. Walton
RxSight Light Adjustable Lens and Light Delivery Device New Enrollment Study (opens in a new tab)
Completed
$104 in research paymentsAphakiaCataractControl IOLLight Adjustable lens (LAL) and Light Delivery Device (LDD)
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Otis Bennett Walton IV received $346,857 in industry payments from 2016 to 2025
CMS Open Payments shows 401 general payments to Dr. Walton from 31 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 45% of the total. Alcon Laboratories Inc paid the most, $139,882. It also lists 3 research payments totaling $127 from 2021 to 2022, naming 1 clinical trial.
General payments to Dr. Walton by program year, 2016 to 2025
General payments to Dr. Walton by kind, 2016 to 2025
$346.9Kin total
- Speaker and faculty fees$155,98545%
- Consulting fees$155,62945%
- Food and beverage$11,8113%
- Travel and lodging$10,8193%
- Other$12,5764%
Companies that paid Dr. Walton the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Otis Bennett Walton IV has 16 awards and honors on record
Dmand AI lists 16 awards for Dr. Walton, most recently 40 Under 40 in 2022.
Awards and honors for Dr. Walton
- 2022
- 40 Under 40
- 2018
- Rising Stars List
- 2017
- �One to Watch� � Rising Star in Ophthalmology (Millennial Eye)
- 2015
- Everett L. Goar Award � 1st place, outstanding research
- First Place
- First Place prize
Source: Dmand AI Professional Profile Data
Dr. Otis Bennett Walton IV graduated from Baylor College Of Medicine
Dr. Walton graduated from Baylor College Of Medicine in 2011.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Otis Bennett Walton IV accepts plans from 21 insurance carriers
Dr. Walton is in network with 21 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Humana
- Alliant Health Plans
- +13 more carriersWith a free account
Plan types Dr. Walton accepts, by number of carriers
- PPO13
- HMO12
- Medicare10
- POS7
- EPO5
Source: Dmand AI Insurance Network Data
Sources for Dr. Otis Bennett Walton 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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Otis Bennett Walton 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. Otis Bennett Walton IV's NPI number?
Dr. Otis Bennett Walton IV's NPI number is 1942591839. It was assigned on April 26, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Otis Bennett Walton IV?
Dr. Otis Bennett Walton IV is an ophthalmologist in Houston, Texas. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Otis Bennett Walton IV practice?
Dr. Walton practices at 2459 S Braeswood Blvd, Houston, TX 77030. Dr. Walton's primary practice is Memorial Hermann Surgery Center Kirby Glen in Houston, Texas. Dmand AI also links Dr. Walton to 1 group practice or clinic and 1 medical group.
What is Dr. Otis Bennett Walton IV's office phone number?
The practice phone on file for Dr. Walton is (713) 529-8600.
What is Dr. Otis Bennett Walton IV's medical license number?
Dr. Walton holds Texas license Q4543, one of the licenses on file in 2 states.
Which states has Dr. Otis Bennett Walton IV been licensed in?
Dmand AI has state licenses on file for Dr. Walton in Texas (2015 to 2027) and North Carolina (2018 to 2026).
Does Dr. Otis Bennett Walton IV accept Medicare?
Yes. CMS data shows Dr. Walton billed Medicare for 814 services in 2024, and Dr. Walton accepts Medicare assignment.
How many Medicare patients does Dr. Otis Bennett Walton IV see?
CMS counts 216 Medicare patients who saw Dr. Walton in 2024, with an average age of 74.
Is Dr. Otis Bennett Walton IV board certified?
Yes. Dr. Walton is board certified in ophthalmology by the American Board of Ophthalmology.
What services does Dr. Otis Bennett Walton IV bill to Medicare?
In 2024, Dr. Walton's most billed Medicare services were eye exam or test (92134), office visit, new patient (99204) and eye exam or test (92136).
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Where did Dr. Otis Bennett Walton IV go to medical school?
Dr. Walton graduated from Baylor College Of Medicine in 2011.
What drugs does Dr. Otis Bennett Walton IV prescribe most?
In 2024 Medicare Part D data, Dr. Walton's most prescribed drugs by claims were Prednisolone Acetate, Ofloxacin and Bromfenac Sodium.
Has Dr. Otis Bennett Walton IV received payments from drug or device companies?
CMS Open Payments shows $346,857 in general payments to Dr. Walton from 31 companies from 2016 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dr. Otis Bennett Walton IV been practicing?
Dr. Walton graduated from medical school in 2011, 15 years ago.
Does Dr. Otis Bennett Walton IV do research?
Dmand AI links 5 publications to Dr. Walton. Dr. Walton has worked on 1 clinical trial.
Who does Dr. Otis Bennett Walton IV publish with?
Dr. Walton's most frequent co-authors are Kathryn Camero (1 shared paper), Petros Euthymiou Carvounis, MD (1 shared paper) and Yvonne I-Fang Chu, MD (1 shared paper).
What insurance does Dr. Otis Bennett Walton IV accept?
Dr. Walton is in network with 21 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
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