Safety and Efficacy of KPI-121 Compared to Placebo in Subjects With Dry Eye Disease (opens in a new tab)
CompletedPhase 3
HyperemiaKeratoconjunctivitis SiccaKPI-121 0.25% Ophthalmic SuspensionVehicle of KPI-121 0.25% Ophthalmic Suspension
Dr. James Daniel Boyce, MD
NPI1457351652
- Medicare services, 2020
- 726
- Part D claims, 2022
- 242
- Clinical trials
- 3
- Hospital affiliations
- 1
- Industry payments
- $4,769
- Practice address
- 825 Delbon Ave, Turlock, CA 95382
- Practice phone
- Call (209) 667-4200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Boyce's professional email, personal email and mobile number
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Dr. James Daniel Boyce is an ophthalmologist in Turlock, California
Dr. Boyce practices at Emanuel Medical Center in Turlock, California, part of Tenet Healthcare.
Dr. Boyce's NPI, 1457351652, was assigned on July 28, 2005. Dr. Boyce graduated from Vagelos College of Physicians and Surgeons in 1973. Dr. Boyce holds California license G34050.
NPI and contact details
- NPI
- 1457351652NPI Registry (opens in a new tab)
- NPI enumeration date
- July 28, 2005
- NPI status
- Active
- Practice phone
- (209) 667-4200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. James Daniel Boyce practices at Emanuel Medical Center in Turlock, California
Dr. Boyce's primary practice is Emanuel Medical Center, at 825 Delbon Ave, Turlock, CA 95382 in Stanislaus County. The practice phone is (209) 667-4200.
- Emanuel Medical Center825 Delbon Ave, Turlock, CA 95382 · Stanislaus CountyPhone(209) 667-4200
Source: Dmand AI Affiliation Data
Dr. James Daniel Boyce is affiliated with 1 site of care
Dr. Boyce's primary practice is Emanuel Medical Center in Turlock, California, part of Tenet Healthcare.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James Daniel Boyce's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Boyce practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Emanuel Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James Daniel Boyce is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Boyce's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Boyce is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Boyce is licensed in California.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
Ophthalmologists near Dr. Boyce
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
2,621ophthalmologists in California
2ophthalmologists in Turlock
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. James Daniel Boyce billed Medicare for 726 services in 2020
CMS data shows 726 Medicare services from Dr. Boyce across 5 procedure codes in 2020. Medicare paid $59,043 for them. Every service was in an office.
Medicare services, 2020726
Paid by Medicare$59,043
Procedure codes5
Dr. Boyce's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Tests and treatments
- 2019: 1,0442020: 72630%
- Surgery
- 2019: 132020: 0100%
Dr. Boyce compared with the California median for ophthalmologists, 2020
- Dr. Boyce
- California median
- Medicare services
- 726vs 1,07933% below
- Part D claims
- 242vs 61861% below
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Boyce'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.
Need commercial claims for Dr. Boyce?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Boyce and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James Daniel Boyce's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts Dr. Boyce's median patient age at 74, with 62% women.
Dr. Boyce's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women62%
- Men38%
Source: Dmand AI Patient Panel Data
Dr. James Daniel Boyce wrote 242 Medicare Part D claims in 2022
In 2022, Dr. Boyce wrote 242 Medicare Part D claims. They cover 7 drugs, with $22,344 in total drug cost. In 2021, CMS named 914 claims across 19 drugs.
Part D claims, 2022242
Drugs named by CMS7
Total drug cost$22,344
Dr. Boyce's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 9142022: 24274%
Drugs named by CMS: 7 in 2022, 19 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. James Daniel Boyce has worked on 3 clinical trials
Dmand AI links Dr. Boyce to 3 clinical trials, 2 of them phase 3 studies. Conditions studied include Cataract, Glaucoma and Hyperemia. Kala Pharmaceuticals, Inc. sponsors the most, 2. Open Payments lists research payments to Dr. Boyce that name 1 trial.
Conditions in Dr. Boyce's trials
- Cataract
- Glaucoma
- Hyperemia
- Keratoconjunctivitis Sicca
- Lens Diseases
Investigators on the most trials with Dr. Boyce
- Michael S. Korenfeld, MD3 shared trials
- John F. Kozlovsky, MD, PA3 shared trials
- Kenneth Neil Sall, MD3 shared trials
Recent clinical trials with Dr. Boyce
Safety and Efficacy of KPI-121 in Subjects With Postsurgical Inflammation and Pain (opens in a new tab)
CompletedPhase 3
CataractLens DiseasesKPI-121 1% Ophthalmic Suspension dosed BIDVehicle of KPI-121 Ophthalmic Suspension dosed BID
$7,250 in research paymentsGlaucomaOcular HypertensionAzopt 1%Brinzolamide 1% ophthalmic suspension
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. James Daniel Boyce received $4,769 in industry payments from 2016 to 2021
CMS Open Payments shows 139 general payments to Dr. Boyce from 14 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 75% of the total. Allergan Inc. paid the most, $1,978. It also lists 6 research payments totaling $110,250 from 2018 to 2019, naming 1 clinical trial.
General payments to Dr. Boyce by program year, 2016 to 2021
General payments to Dr. Boyce by kind, 2016 to 2021
$4.8Kin total
- Food and beverage$3,59675%
- Travel and lodging$94020%
- Speaker and faculty fees$1503%
- Education$752%
- Honoraria$80%
Companies that paid Dr. Boyce the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James Daniel Boyce has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Boyce, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Boyce
- 2013
- CMS Stage 1 EHR
- Undated
- AAO Fellow
Source: Dmand AI Professional Profile Data
Dr. James Daniel Boyce graduated from Vagelos College of Physicians and Surgeons
Dr. Boyce graduated from Vagelos College of Physicians and Surgeons in 1973. Dr. Boyce is a member of AAO.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. James Daniel Boyce accepts plans from 1 insurance carrier
Dr. Boyce is in network with 1 carrier, including Humana. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Humana
Plan types Dr. Boyce accepts, by number of carriers
- HMO1
- Medicare1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. James Daniel Boyce'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) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. James Daniel Boyce
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. James Daniel Boyce's NPI number?
Dr. James Daniel Boyce's NPI number is 1457351652. It was assigned on July 28, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. James Daniel Boyce?
Dr. James Daniel Boyce is an ophthalmologist in Turlock, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. James Daniel Boyce practice?
Dr. Boyce practices at 825 Delbon Ave, Turlock, CA 95382. Dr. Boyce's primary practice is Emanuel Medical Center in Turlock, California, part of Tenet Healthcare.
What is Dr. James Daniel Boyce's office phone number?
The practice phone on file for Dr. Boyce is (209) 667-4200.
What is Dr. James Daniel Boyce's medical license number?
Dr. Boyce holds California license G34050.
Which hospitals is Dr. James Daniel Boyce affiliated with?
Dr. Boyce practices at Emanuel Medical Center in Turlock, California.
Does Dr. James Daniel Boyce accept Medicare?
Yes. CMS data shows Dr. Boyce billed Medicare for 726 services in 2020.
Is Dr. James Daniel Boyce board certified?
Yes. Dr. Boyce is board certified in ophthalmology by the American Board of Ophthalmology.
What services does Dr. James Daniel Boyce bill to Medicare?
In 2020, Dr. Boyce's most billed Medicare services were eye exam or test (92014), eye exam or test (92012) and eye exam or test (92083).
Where did Dr. James Daniel Boyce go to medical school?
Dr. Boyce graduated from Vagelos College of Physicians and Surgeons in 1973.
Show 5 more questionsShow fewer questions
What drugs does Dr. James Daniel Boyce prescribe most?
In 2022 Medicare Part D data, Dr. Boyce's most prescribed drugs by claims were Gatifloxacin, Prednisolone Acetate and Difluprednate.
Has Dr. James Daniel Boyce received payments from drug or device companies?
CMS Open Payments shows $4,769 in general payments to Dr. Boyce from 14 companies from 2016 to 2021. The largest total came from Allergan Inc.
How long has Dr. James Daniel Boyce been practicing?
Dr. Boyce graduated from medical school in 1973, 53 years ago.
Does Dr. James Daniel Boyce do research?
Dr. Boyce has worked on 3 clinical trials.
What insurance does Dr. James Daniel Boyce accept?
Dr. Boyce is in network with 1 carrier, including Humana. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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