Dr. Louis B. Cantor, MD
- Medicare services, 2024
- 395
- Medicare patients, 2024
- 186
- Part D claims, 2024
- 1,544
- Publications
- 22
- Clinical trials
- 1
- Practice address
- 2001 W 86th St, Indianapolis, IN 46260
- Practice phone
- Call (317) 338-2172
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ascension St Vincent Hospital- Indianapolis
Indianapolis, Indiana
Find Dr. Cantor'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.
Dr. Louis B. Cantor is a glaucoma specialist (ophthalmology) physician in Indianapolis, Indiana
Dr. Cantor practices at Ascension St Vincent Hospital- Indianapolis in Indianapolis, Indiana.
Dr. Cantor's NPI, 1487655783, was assigned on August 9, 2005. Dr. Cantor graduated from Indiana University School of Medicine in 1980. Dr. Cantor holds Indiana license 01029807A.
- NPI
- 1487655783NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618075813
- NPI enumeration date
- August 9, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (317) 338-2172
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Louis B. Cantor practices at Ascension St Vincent Hospital- Indianapolis in Indianapolis, Indiana
Dr. Cantor's primary practice is Ascension St Vincent Hospital- Indianapolis, at 2001 W 86th St, Indianapolis, IN 46260 in Marion County. The practice phone is (317) 338-2172.
- Ascension St Vincent Hospital- Indianapolis2001 W 86th St, Indianapolis, IN 46260 · Marion CountyPhone(317) 338-2172
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Louis B. Cantor is affiliated with 4 sites of care and 2 medical groups
Dr. Cantor's primary practice is Ascension St Vincent Hospital- Indianapolis in Indianapolis, Indiana. Dr. Cantor is also affiliated with IU Health Methodist Hospital. The medical group on file is IU Health Medical Group. Dmand AI also links Dr. Cantor to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Louis B. Cantor's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cantor practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension St Vincent Hospital- Indianapolis | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Louis B. Cantor is one of 6 glaucoma specialist (ophthalmology) physicians in Indiana
Glaucoma specialist is Dr. Cantor's primary specialty in the NPI Registry, under taxonomy code 207WX0009X. Dr. Cantor is licensed in Indiana.
Specialties and state licenses
- Glaucoma specialist (ophthalmology), IndianaPrimary
Glaucoma specialist (ophthalmology) physicians near Dr. Cantor
Counts of glaucoma specialist (ophthalmology) physicians 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. Louis B. Cantor billed Medicare for 395 services in 2024
CMS data shows 395 Medicare services from Dr. Cantor across 4 procedure codes in 2024, for 186 Medicare patients. Medicare paid $21,862 for them. Every service was in an office.
Dr. Cantor's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4512024: 26741%
- Tests and treatments
- 2023: 2262024: 12843%
Dr. Cantor'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.
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Source: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data
Dr. Louis B. Cantor treated 186 Medicare patients in 2024, average age 78
CMS counts 186 Medicare patients who saw Dr. Cantor in 2024. The largest group is 75 to 84, with 83 patients. 73% of them have high blood pressure, and 67% have high cholesterol. 6% are also on Medicaid. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Cantor's median patient age at 75, with 49% women.
Dr. Cantor's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Cantor's Medicare patients by sex, 2024
- Women11562%
- Men7138%
Chronic conditions among Dr. Cantor's Medicare patients, 2024
- High blood pressure73%
- High cholesterol67%
- Arthritis42%
- Diabetes28%
- Ischemic heart disease22%
- Anxiety20%
- Chronic kidney disease19%
- Atrial fibrillation18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Cantor'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
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Louis B. Cantor wrote 1,544 Medicare Part D claims in 2024
In 2024, Dr. Cantor wrote 1,544 Medicare Part D claims for 248 patients. 57% of them were for generic drugs. CMS names the drug for 1,456 of them, across 20 drugs with 11 or more claims each, at $216,855 in total drug cost. In 2023, CMS named 1,457 claims across 21 drugs.
Dr. Cantor's Part D claims by kind of drug, 2024
- Generic882 claims57%
- Brand-name662 claims43%
Dr. Cantor'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: 1,4572024: 1,456No change
Drugs named by CMS: 20 in 2024, 21 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
How Dr. Louis B. Cantor takes part in Medicare
Dr. Cantor accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Louis B. Cantor has 22 publications on record
Dmand AI links 22 papers to Dr. Cantor, published from 2010 to 2023. 2011 was the busiest year, with 2. The most frequent topics are Intraocular Pressure, Glaucoma and Antihypertensive Agents. Dr. Cantor has published most often in Ophthalmology. Dr. Cantor's most frequent co-authors are Darrell Wudunn, MD, Jeffrey Ward Kalenak, MD and Jeffrey A. Kammer, MD.
Dr. Cantor's papers by year, 2011 to 2023
Topics Dr. Cantor writes about most
- Intraocular Pressure
- Glaucoma
- Antihypertensive Agents
- Glaucoma Drainage Implants
- Trabeculectomy
- Visual Acuity
- Glaucoma, Open-Angle
- Phacoemulsification
Dr. Cantor's most frequent co-authors
- Darrell Wudunn, MD5 shared papers
- Jeffrey Ward Kalenak, MD3 shared papers
- Jeffrey A. Kammer, MD2 shared papers
Recent publications by Dr. Cantor
Semin Ophthalmol
Ophthalmol Glaucoma
See who Dr. Cantor researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Cantor works with, so you can find a warm path to the right glaucoma specialist (ophthalmology) physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Louis B. Cantor has worked on 1 clinical trial
Dmand AI links Dr. Cantor to 1 clinical trial. Conditions studied include Glaucoma, Open-Angle and Glaucoma.
Conditions in Dr. Cantor's trials
- Glaucoma, Open-Angle
- Glaucoma
Investigators on the most trials with Dr. Cantor
- Joseph Caprioli, MD1 shared trial
- Robert M. Feldman, MD1 shared trial
- Brian Edward Flowers, MD1 shared trial
Recent clinical trials with Dr. Cantor
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Louis B. Cantor received $709,551 in industry payments from 2016 to 2025
CMS Open Payments shows 122 general payments to Dr. Cantor from 15 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 97% of the total. Carl Zeiss Meditec, Inc. paid the most, $540,160.
General payments to Dr. Cantor by program year, 2016 to 2025
General payments to Dr. Cantor by kind, 2016 to 2025
- Consulting fees$685,43997%
- Travel and lodging$16,5692%
- Food and beverage$5,2701%
- Gifts$1,2370%
- Other$1,0360%
Companies that paid Dr. Cantor 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. Louis B. Cantor graduated from Indiana University School of Medicine
Dr. Cantor graduated from Indiana University School of Medicine in 1980.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Louis B. Cantor'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| 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) |
| 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) |
| 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. Louis B. Cantor
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. Louis B. Cantor's NPI number?
Dr. Louis B. Cantor's NPI number is 1487655783. It was assigned on August 9, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Louis B. Cantor?
Dr. Louis B. Cantor is a glaucoma specialist (ophthalmology) physician in Indianapolis, Indiana. The primary specialty in the NPI Registry is Glaucoma Specialist (Ophthalmology) Physician (taxonomy code 207WX0009X).
Where does Dr. Louis B. Cantor practice?
Dr. Cantor practices at 2001 W 86th St, Indianapolis, IN 46260. Dr. Cantor's primary practice is Ascension St Vincent Hospital- Indianapolis in Indianapolis, Indiana. Dmand AI also links Dr. Cantor to 2 group practices and clinics and 1 medical group.
What is Dr. Louis B. Cantor's office phone number?
The practice phone on file for Dr. Cantor is (317) 338-2172.
What is Dr. Louis B. Cantor's medical license number?
Dr. Cantor holds Indiana license 01029807A.
Which hospitals is Dr. Louis B. Cantor affiliated with?
Dr. Cantor is affiliated with IU Health Methodist Hospital.
What medical group is Dr. Louis B. Cantor part of?
Dr. Cantor is linked to IU Health Medical Group. Dmand AI links Dr. Cantor to 1 more medical group.
Does Dr. Louis B. Cantor accept Medicare?
Yes. CMS data shows Dr. Cantor billed Medicare for 395 services in 2024, and Dr. Cantor accepts Medicare assignment.
How many Medicare patients does Dr. Louis B. Cantor see?
CMS counts 186 Medicare patients who saw Dr. Cantor in 2024, with an average age of 78.
What services does Dr. Louis B. Cantor bill to Medicare?
In 2024, Dr. Cantor's most billed Medicare services were office visit, established patient (99214), eye exam or test (92083) and eye exam or test (92133).
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Where did Dr. Louis B. Cantor go to medical school?
Dr. Cantor graduated from Indiana University School of Medicine in 1980.
What drugs does Dr. Louis B. Cantor prescribe most?
In 2024 Medicare Part D data, Dr. Cantor's most prescribed drugs by claims were Latanoprost, Timolol Maleate and Dorzolamide-Timolol.
Has Dr. Louis B. Cantor received payments from drug or device companies?
CMS Open Payments shows $709,551 in general payments to Dr. Cantor from 15 companies from 2016 to 2025. The largest total came from Carl Zeiss Meditec, Inc.
How long has Dr. Louis B. Cantor been practicing?
Dr. Cantor graduated from medical school in 1980, 46 years ago.
Does Dr. Louis B. Cantor do research?
Dmand AI links 22 publications to Dr. Cantor, published from 2010 to 2023. Dr. Cantor has worked on 1 clinical trial.
Who does Dr. Louis B. Cantor publish with?
Dr. Cantor's most frequent co-authors are Darrell Wudunn, MD (5 shared papers), Jeffrey Ward Kalenak, MD (3 shared papers) and Jeffrey A. Kammer, MD (2 shared papers).
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