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Dr. James J. Castner, MD

  • CT
  • Ophthalmologist
NPI1124026604
Part D claims, 2017
38
Publications
2
Industry payments
$132
State license
1
Year NPI issued
2005
Practice address
CT
Professional email
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Personal email
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Mobile number
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Social profiles

Find Dr. Castner's professional email, personal email and mobile number

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Dr. James J. Castner is an ophthalmologist in Connecticut

Dr. Castner practices in Connecticut.

Dr. Castner's NPI, 1124026604, was assigned on July 8, 2005. Dr. Castner holds Connecticut license 018022.

NPI and contact details
NPI
1124026604NPI Registry (opens in a new tab)
NPI enumeration date
July 8, 2005
NPI status
Active
Professional email
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Personal email
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Mobile number
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Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data

Dmand AI tracks the EHR system at Dr. James J. Castner's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Castner practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dr. Castner's practiceAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. James J. Castner is one of 259 ophthalmologists in Connecticut

Ophthalmology is Dr. Castner's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Castner is licensed in Connecticut.

Specialties and state licenses

  • Ophthalmology, ConnecticutPrimaryLicense 018022 · taxonomy 207W00000X

Ophthalmologists near Dr. Castner

Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.

259ophthalmologists in Connecticut

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. James J. Castner wrote 38 Medicare Part D claims in 2017

In 2017, Dr. Castner wrote 38 Medicare Part D claims. They cover 2 drugs, with $1,161 in total drug cost. In 2016, CMS named 325 claims across 11 drugs.

Part D claims, 201738
Drugs named by CMS2
Total drug cost$1,161

Dr. Castner's most prescribed drugs by claims, 2017

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, 2016 to 2017

  • 2016
  • 2017
Claims for drugs CMS names
2016: 3252017: 3888%

Drugs named by CMS: 2 in 2017, 11 in 2016.

See all prescribing by Dr. Castner

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. James J. Castner has 2 publications on record

Dmand AI links 2 papers to Dr. Castner in 2016. The most frequent topics are Drug Contamination, Drug Packaging and Plastics. Dr. Castner has published most often in PDA J Pharm Sci Technol.

Papers2

Topics Dr. Castner writes about most

  • Drug Contamination
  • Drug Packaging
  • Plastics

Recent publications by Dr. Castner

See all 2 publications and co-authors

See who Dr. Castner researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Castner works with, so you can find a warm path to the right ophthalmologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. James J. Castner received $132 in industry payments from 2016 to 2017

CMS Open Payments shows 3 general payments to Dr. Castner from 1 drug or device company from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $132.

General payments to Dr. Castner by program year, 2016 to 2017

Companies that paid Dr. Castner the most, 2016 to 2017

Share is of all general payments to this clinician.

See all payments to Dr. Castner

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. James J. Castner's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. James J. Castner

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 J. Castner's NPI number?

Dr. James J. Castner's NPI number is 1124026604. It was assigned on July 8, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. James J. Castner?

Dr. James J. Castner is an ophthalmologist in Connecticut. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

What is Dr. James J. Castner's medical license number?

Dr. Castner holds Connecticut license 018022.

What drugs does Dr. James J. Castner prescribe most?

In 2017 Medicare Part D data, Dr. Castner's most prescribed drugs by claims were Latanoprost and Dorzolamide-Timolol.

Has Dr. James J. Castner received payments from drug or device companies?

CMS Open Payments shows $132 in general payments to Dr. Castner from 1 company from 2016 to 2017. The largest total came from Alcon Laboratories Inc.

How long has Dr. James J. Castner been practicing?

Dr. Castner's NPI was assigned in 2005.

Does Dr. James J. Castner do research?

Dmand AI links 2 publications to Dr. Castner.

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