Dr. Michael S. Korenfeld, MD

  • Washington, MO
  • Ophthalmologist
NPI1174515613PAC ID7113035072
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Comprehensive Eye Care, Ltd.

Washington, Missouri

See all 6 affiliations

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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 and contact details
Medicare PAC ID
7113035072
NPI enumeration date
August 19, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(636) 390-3999
Professional email
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Personal email
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Mobile number
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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.

See all 6 affiliations for Dr. Korenfeld

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.

EHR by site
SiteEHR vendor and product
Comprehensive Eye Care, Ltd.Available with a free account
+3 more sites and 2 medical groupsAvailable 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, MissouriPrimaryLicense R1P88 · taxonomy 207W00000X

Ophthalmologists near Dr. Korenfeld

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

270ophthalmologists in Missouri
8ophthalmologists in Washington

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.

Medicare services, 20241,028
Medicare patients478
Paid by Medicare$91,340
Procedure codes14

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.

See all procedures by Dr. Korenfeld

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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.

Medicare patients, 2024478
Average age75
Average risk score1.26
Also on Medicaid8%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis47%
  4. Chronic kidney disease36%
  5. Diabetes29%
  6. Ischemic heart disease28%
  7. Mood disorders26%
  8. 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.

Part D claims, 20241,935
Drugs named by CMS26
Total drug cost$177,512
Part D patients635

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.

See all prescribing by Dr. Korenfeld

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.

Papers13
Years published2011 to 2023

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

Recent publications by Dr. Korenfeld

See all 13 publications and co-authors

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.

How network discovery works

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

  1. NonePhase 1: no trials
  2. 1Phase 2: 1 trial
  3. 3Phase 3: 3 trials
  4. 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

Recent clinical trials with Dr. Korenfeld

See all 6 clinical trials and co-investigators

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

$38.9Kin total
  • 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.

See all payments to Dr. Korenfeld

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.

  1. Medical schoolWashington University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Michael S. Korenfeld'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
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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. 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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