Dr. Michael S. Korenfeld, MD
- Medicare services, 2024
- 1,028
- Medicare patients, 2024
- 478
- Part D claims, 2024
- 1,935
- Publications
- 13
- Clinical trials
- 6
- Practice address
- 901 E 3rd St, Washington, MO 63090
- Practice phone
- Call (636) 390-3999
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Comprehensive Eye Care, Ltd.
Washington, Missouri
Find Dr. Korenfeld'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. Michael S. Korenfeld is an ophthalmologist in Washington, Missouri
Dr. Korenfeld practices at Comprehensive Eye Care, Ltd. in Washington, Missouri.
Dr. Korenfeld's NPI, 1174515613, was assigned on August 19, 2005. Dr. Korenfeld graduated from Washington University School of Medicine in 1986. Dr. Korenfeld holds Missouri license R1P88.
- NPI
- 1174515613NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7113035072
- NPI enumeration date
- August 19, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (636) 390-3999
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael S. Korenfeld practices at Comprehensive Eye Care, Ltd. in Washington, Missouri
Dr. Korenfeld's primary practice is Comprehensive Eye Care, Ltd., at 901 E 3rd St, Washington, MO 63090 in Franklin County. The practice phone is (636) 390-3999.
- Comprehensive Eye Care, Ltd.901 E 3rd St, Washington, MO 63090 · Franklin CountyPhone(636) 390-3999
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michael S. Korenfeld is affiliated with 4 sites of care and 2 medical groups
Dr. Korenfeld's primary practice is Comprehensive Eye Care, Ltd. in Washington, Missouri. Dr. Korenfeld is also affiliated with Mercy Hospital Washington. Dmand AI also links Dr. Korenfeld to 2 more group practices and clinics and 2 medical groups, 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. Michael S. Korenfeld's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Korenfeld practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Comprehensive Eye Care, Ltd. | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael S. Korenfeld is one of 270 ophthalmologists in Missouri
Ophthalmology is Dr. Korenfeld's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Korenfeld is licensed in Missouri.
Specialties and state licenses
- Ophthalmology, MissouriPrimary
Ophthalmologists near Dr. Korenfeld
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. Michael S. Korenfeld billed Medicare for 1,028 services in 2024
CMS data shows 1,028 Medicare services from Dr. Korenfeld across 14 procedure codes in 2024, for 478 Medicare patients. Medicare paid $91,340 for them.
Dr. Korenfeld's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 8412024: 8754%
- Surgery
- 2023: 1912024: 15320%
Where Dr. Korenfeld's Medicare services took place, 2024
- In an office95193%
- In a facility777%
Dr. Korenfeld compared with the Missouri median for ophthalmologists, 2024
- Dr. Korenfeld
- Missouri median
- Medicare services
- 1,028vs 1,58235% below
- Medicare patients
- 478vs 63024% below
- Part D claims
- 1,786vs 7032.5 times
Medians across 286 ophthalmologists in Missouri with Dmand AI profiles that report each measure.
Dr. Korenfeld'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Korenfeld and other ophthalmologists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael S. Korenfeld treated 478 Medicare patients in 2024, average age 75
CMS counts 478 Medicare patients who saw Dr. Korenfeld in 2024. The largest group is 65 to 74, with 190 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.26, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Korenfeld's median patient age at 69, with 57% women.
Dr. Korenfeld's Medicare patients by age, 2024
Dr. Korenfeld's Medicare patients by sex, 2024
- Women28159%
- Men19741%
Chronic conditions among Dr. Korenfeld's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis47%
- Chronic kidney disease36%
- Diabetes29%
- Ischemic heart disease28%
- Mood disorders26%
- Anxiety23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Korenfeld's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael S. Korenfeld wrote 1,935 Medicare Part D claims in 2024
In 2024, Dr. Korenfeld wrote 1,935 Medicare Part D claims for 635 patients. 53% of them were for generic drugs. CMS names the drug for 1,786 of them, across 26 drugs with 11 or more claims each, at $177,512 in total drug cost. In 2023, CMS named 1,707 claims across 25 drugs.
Dr. Korenfeld's Part D claims by kind of drug, 2024
- Generic1,020 claims53%
- Brand-name and other915 claims47%
Dr. Korenfeld'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.
Drug classes CMS tracks in Dr. Korenfeld's Part D claims, 2024
- Antibiotics1%12 of 1,935 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,7072024: 1,7865%
Drugs named by CMS: 26 in 2024, 25 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. Michael S. Korenfeld 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. Korenfeld for performance year 2024, reported as part of a group. Dr. Korenfeld accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 182 procedures of cataract surgery by Dr. Korenfeld, more than 82% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Korenfeld's MIPS scores, performance year 2024
- 88of 100Final score
- 92of 100Quality
- 40of 100Improvement Activities
- 72of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Korenfeld ranks in Medicare procedure volume
- Cataract surgery
- 82nd percentile182 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. Michael S. Korenfeld has 13 publications on record
Dmand AI links 13 papers to Dr. Korenfeld, published from 2011 to 2023. 2016 was the busiest year, with 3. The most frequent topics are Ophthalmic Solutions, Double-Blind Method and Dexamethasone. Dr. Korenfeld has published most often in Clin Ophthalmol. Dr. Korenfeld's most frequent co-authors are Jason Bacharach, MD, Damien Forrest Goldberg, MD and Joseph R. Martel, MD.
Dr. Korenfeld's papers by year, 2011 to 2023
Topics Dr. Korenfeld writes about most
- Ophthalmic Solutions
- Double-Blind Method
- Dexamethasone
- Drug Delivery Systems
- Dry Eye Syndromes
- Intraocular Pressure
- Iontophoresis
- Uveitis, Anterior
Dr. Korenfeld's most frequent co-authors
- Jason Bacharach, MD3 shared papers
- Damien Forrest Goldberg, MD2 shared papers
- Joseph R. Martel, MD2 shared papers
Recent publications by Dr. Korenfeld
See who Dr. Korenfeld researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Korenfeld 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. Michael S. Korenfeld has worked on 6 clinical trials
Dmand AI links Dr. Korenfeld to 6 clinical trials, 3 of them phase 3 studies. 1 is still active or recruiting. Conditions studied include Cataract, Lens Diseases and Dry Eye Syndromes. Kala Pharmaceuticals, Inc. sponsors the most, 2. Open Payments lists research payments to Dr. Korenfeld that name 1 trial.
Clinical trials with Dr. Korenfeld by phase
- NonePhase 1: no trials
- 1Phase 2: 1 trial
- 3Phase 3: 3 trials
- NonePhase 4: no trials
Trials with no phase (devices, behavioral studies) are left out.
Conditions in Dr. Korenfeld's trials
- Cataract
- Lens Diseases
- Dry Eye Syndromes
- Glaucoma
- Hyperemia
Investigators on the most trials with Dr. Korenfeld
- Kenneth Neil Sall, MD4 shared trials
- James Daniel Boyce, MD3 shared trials
- John F. Kozlovsky, MD, PA3 shared trials
Recent clinical trials with Dr. Korenfeld
Study of OT-101 in Treating Myopia (opens in a new tab)
Safety and Efficacy of KPI-121 Compared to Placebo in Subjects With Dry Eye Disease (opens in a new tab)
Safety and Efficacy of KPI-121 in Subjects With Postsurgical Inflammation and Pain (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Michael S. Korenfeld received $38,886 in industry payments from 2016 to 2025
CMS Open Payments shows 61 general payments to Dr. Korenfeld from 20 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 90% of the total. EyePoint Pharmaceuticals US, Inc. paid the most, $27,380. It also lists 5 research payments totaling $40,970 from 2018 to 2019, naming 1 clinical trial.
General payments to Dr. Korenfeld by program year, 2016 to 2025
General payments to Dr. Korenfeld by kind, 2016 to 2025
- Consulting fees$35,01590%
- Food and beverage$2,4016%
- Travel and lodging$6562%
- Education speaker fees$5001%
- Other$3131%
Companies that paid Dr. Korenfeld 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. Michael S. Korenfeld graduated from Washington University School of Medicine
Dr. Korenfeld graduated from Washington University School of Medicine in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael S. Korenfeld's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Michael S. Korenfeld
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. Michael S. Korenfeld's NPI number?
Dr. Michael S. Korenfeld's NPI number is 1174515613. It was assigned on August 19, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael S. Korenfeld?
Dr. Michael S. Korenfeld is an ophthalmologist in Washington, Missouri. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Michael S. Korenfeld practice?
Dr. Korenfeld practices at 901 E 3rd St, Washington, MO 63090. Dr. Korenfeld's primary practice is Comprehensive Eye Care, Ltd. in Washington, Missouri. Dmand AI also links Dr. Korenfeld to 2 group practices and clinics and 2 medical groups.
What is Dr. Michael S. Korenfeld's office phone number?
The practice phone on file for Dr. Korenfeld is (636) 390-3999.
What is Dr. Michael S. Korenfeld's medical license number?
Dr. Korenfeld holds Missouri license R1P88.
Which hospitals is Dr. Michael S. Korenfeld affiliated with?
Dr. Korenfeld is affiliated with Mercy Hospital Washington.
Does Dr. Michael S. Korenfeld accept Medicare?
Yes. CMS data shows Dr. Korenfeld billed Medicare for 1,028 services in 2024, and Dr. Korenfeld accepts Medicare assignment.
What is Dr. Michael S. Korenfeld's MIPS score?
Dr. Korenfeld'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. Michael S. Korenfeld see?
CMS counts 478 Medicare patients who saw Dr. Korenfeld in 2024, with an average age of 75.
What services does Dr. Michael S. Korenfeld bill to Medicare?
In 2024, Dr. Korenfeld's most billed Medicare services were eye exam or test (92014), eye exam or test (92136) and eye exam or test (92133).
Show 6 more questionsShow fewer questions
Where did Dr. Michael S. Korenfeld go to medical school?
Dr. Korenfeld graduated from Washington University School of Medicine in 1986.
What drugs does Dr. Michael S. Korenfeld prescribe most?
In 2024 Medicare Part D data, Dr. Korenfeld's most prescribed drugs by claims were Latanoprost, Prednisolone Acetate and Timolol Maleate.
Has Dr. Michael S. Korenfeld received payments from drug or device companies?
CMS Open Payments shows $38,886 in general payments to Dr. Korenfeld from 20 companies from 2016 to 2025. The largest total came from EyePoint Pharmaceuticals US, Inc.
How long has Dr. Michael S. Korenfeld been practicing?
Dr. Korenfeld graduated from medical school in 1986, 40 years ago.
Does Dr. Michael S. Korenfeld do research?
Dmand AI links 13 publications to Dr. Korenfeld, published from 2011 to 2023. Dr. Korenfeld has worked on 6 clinical trials.
Who does Dr. Michael S. Korenfeld publish with?
Dr. Korenfeld's most frequent co-authors are Jason Bacharach, MD (3 shared papers), Damien Forrest Goldberg, MD (2 shared papers) and Joseph R. Martel, MD (2 shared papers).
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