$15,850 in research paymentsGlaucomaOcular HypertensionAzopt 1%Brinzolamide 1% ophthalmic suspension
Dr. Brennan P. Greene, MD
NPI1013003136PAC ID8325044480
- Medicare services, 2024
- 6,220
- Medicare patients, 2024
- 1,274
- Part D claims, 2024
- 1,859
- Clinical trials
- 1
- MIPS score, 2024
- 88
- Practice address
- 1536 Story Ave, Louisville, KY 40206
- Practice phone
- Call (502) 589-1500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Retina Associates, PSC
Louisville, Kentucky
Find Dr. Greene's professional email, personal email and mobile number
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Dr. Brennan P. Greene is an ophthalmologist in Louisville, Kentucky
Dr. Greene practices at Retina Associates, PSC in Louisville, Kentucky.
Dr. Greene's NPI, 1013003136, was assigned on October 5, 2006. Dr. Greene graduated from University of Louisville School of Medicine in 1991. Dr. Greene holds Kentucky license 28804.
NPI and contact details
- NPI
- 1013003136NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325044480
- NPI enumeration date
- October 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (502) 589-1500
- 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 Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brennan P. Greene practices at Retina Associates, PSC in Louisville, Kentucky
Dr. Greene's primary practice is Retina Associates, PSC, at 1536 Story Ave, Louisville, KY 40206 in Jefferson County. The practice phone is (502) 589-1500.
- Retina Associates, PSC1536 Story Ave, Louisville, KY 40206 · Jefferson CountyPhone(502) 589-1500
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Brennan P. Greene is affiliated with 3 sites of care and 2 medical groups
Dr. Greene's primary practice is Retina Associates, PSC in Louisville, Kentucky. The medical group on file is UofL Physicians, Radiology. Dmand AI also links Dr. Greene to 2 more group practices and clinics and 1 medical group, each named with a free account.
Retina Associates, PSCPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Brennan P. Greene's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Greene practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Retina Associates, PSC | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Brennan P. Greene is one of 186 ophthalmologists in Kentucky
Ophthalmology is Dr. Greene's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Greene is licensed in Kentucky.
Specialties and state licenses
- Ophthalmology, KentuckyPrimary
Ophthalmologists near Dr. Greene
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. Brennan P. Greene billed Medicare for 6,220 services in 2024
CMS data shows 6,220 Medicare services from Dr. Greene across 15 procedure codes in 2024, for 1,274 Medicare patients. Medicare paid $353,995 for them.
Medicare services, 20246,220
Medicare patients1,274
Paid by Medicare$353,995
Procedure codes15
Dr. Greene's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 3,1122024: 2,9784%
- Drugs given in the office
- 2023: 902024: 2,7392943%
- Surgery
- 2023: 4702024: 4299%
- Office and hospital visits
- 2023: 392024: 7490%
Where Dr. Greene's Medicare services took place, 2024
- In an office6,01897%
- In a facility2023%
Dr. Greene compared with the Kentucky median for ophthalmologists, 2024
- Dr. Greene
- Kentucky median
- Medicare services
- 6,220vs 1,6663.7 times
- Medicare patients
- 1,274vs 5902.2 times
- Part D claims
- 1,744vs 5123.4 times
Medians across 185 ophthalmologists in Kentucky with Dmand AI profiles that report each measure.
Dr. Greene'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Brennan P. Greene treated 1,274 Medicare patients in 2024, average age 77
CMS counts 1,274 Medicare patients who saw Dr. Greene in 2024. The largest group is 75 to 84, with 561 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 2% are also on Medicaid. Their average risk score is 1.08, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Greene's median patient age at 77, with 58% women.
Medicare patients, 20241,274
Average age77
Average risk score1.08
Also on Medicaid2%
Dr. Greene's Medicare patients by age, 2024
Dr. Greene's Medicare patients by sex, 2024
- Women74759%
- Men52741%
Chronic conditions among Dr. Greene's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Diabetes37%
- Ischemic heart disease26%
- Chronic kidney disease24%
- Anxiety20%
- Atrial fibrillation17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Greene's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Brennan P. Greene wrote 1,859 Medicare Part D claims in 2024
In 2024, Dr. Greene wrote 1,859 Medicare Part D claims for 516 patients. 56% of them were for generic drugs. CMS names the drug for 1,744 of them, across 20 drugs with 11 or more claims each, at $302,652 in total drug cost. In 2023, CMS named 1,686 claims across 20 drugs.
Part D claims, 20241,859
Drugs named by CMS20
Total drug cost$302,652
Part D patients516
Dr. Greene's Part D claims by kind of drug, 2024
- Generic1,034 claims56%
- Brand-name825 claims44%
Dr. Greene'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: 1,6862024: 1,7443%
Drugs named by CMS: 20 in 2024, 20 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. Brennan P. Greene scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Greene for performance year 2024, reported as part of a group. Dr. Greene accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 13 procedures of cataract surgery by Dr. Greene, more than 36% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Greene's MIPS scores, performance year 2024
- 88of 100Final score
- 100of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 60of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Greene ranks in Medicare procedure volume
- Cataract surgery
- 36th percentile13 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Brennan P. Greene has worked on 1 clinical trial
Dmand AI links Dr. Greene to 1 clinical trial. Conditions studied include Glaucoma and Ocular Hypertension. Open Payments lists research payments to Dr. Greene that name 1 trial.
Conditions in Dr. Greene's trials
- Glaucoma
- Ocular Hypertension
Investigators on the most trials with Dr. Greene
- Jason Bacharach, MD1 shared trial
- James Daniel Boyce, MD1 shared trial
- William Clark Christie, MD1 shared trial
Recent clinical trials with Dr. Greene
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Brennan P. Greene received $3,978 in industry payments from 2016 to 2025
CMS Open Payments shows 168 general payments to Dr. Greene from 27 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 91% of the total. Allergan Inc. paid the most, $627. It also lists 48 research payments totaling $184,523 from 2018 to 2025, naming 1 clinical trial.
General payments to Dr. Greene by program year, 2016 to 2025
General payments to Dr. Greene by kind, 2016 to 2025
$4Kin total
- Food and beverage$3,62291%
- Speaker and faculty fees$1504%
- Education$1424%
- Gifts$642%
Companies that paid Dr. Greene 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. Brennan P. Greene graduated from University of Louisville School of Medicine
Dr. Greene graduated from University of Louisville School of Medicine in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Brennan P. Greene's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Brennan P. Greene
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. Brennan P. Greene's NPI number?
Dr. Brennan P. Greene's NPI number is 1013003136. It was assigned on October 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Brennan P. Greene?
Dr. Brennan P. Greene is an ophthalmologist in Louisville, Kentucky. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Brennan P. Greene practice?
Dr. Greene practices at 1536 Story Ave, Louisville, KY 40206. Dr. Greene's primary practice is Retina Associates, PSC in Louisville, Kentucky. Dmand AI also links Dr. Greene to 2 group practices and clinics and 1 medical group.
What is Dr. Brennan P. Greene's office phone number?
The practice phone on file for Dr. Greene is (502) 589-1500.
What is Dr. Brennan P. Greene's medical license number?
Dr. Greene holds Kentucky license 28804.
What medical group is Dr. Brennan P. Greene part of?
Dr. Greene is linked to UofL Physicians, Radiology. Dmand AI links Dr. Greene to 1 more medical group.
Does Dr. Brennan P. Greene accept Medicare?
Yes. CMS data shows Dr. Greene billed Medicare for 6,220 services in 2024, and Dr. Greene accepts Medicare assignment.
What is Dr. Brennan P. Greene's MIPS score?
Dr. Greene's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
How many Medicare patients does Dr. Brennan P. Greene see?
CMS counts 1,274 Medicare patients who saw Dr. Greene in 2024, with an average age of 77.
What services does Dr. Brennan P. Greene bill to Medicare?
In 2024, Dr. Greene's most billed Medicare services were injected or infused drug (J2777), eye exam or test (92014) and eye exam or test (92134).
Show 5 more questionsShow fewer questions
Where did Dr. Brennan P. Greene go to medical school?
Dr. Greene graduated from University of Louisville School of Medicine in 1991.
What drugs does Dr. Brennan P. Greene prescribe most?
In 2024 Medicare Part D data, Dr. Greene's most prescribed drugs by claims were Latanoprost, Ketorolac Tromethamine and Prednisolone Acetate.
Has Dr. Brennan P. Greene received payments from drug or device companies?
CMS Open Payments shows $3,978 in general payments to Dr. Greene from 27 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. Brennan P. Greene been practicing?
Dr. Greene graduated from medical school in 1991, 35 years ago.
Does Dr. Brennan P. Greene do research?
Dr. Greene has worked on 1 clinical trial.
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