Doctor profile · Federal record

Dr. Michael Korenfeld, MD

Ophthalmology Physician (CMS: Ophthalmology) · Washington, MO

  • NPI 1174515613
  • Accepts Medicare
  • MIPS 73.9 / 100 · 2023
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
901 E 3Rd St
Washington, MO 630903010
(636) 390-3999
fax (636) 390-3959

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
September 28, 2022
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Missouri #R1P88

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174515613. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,032
Distinct HCPCS
10
Medicare allowed
$141,608
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 396 341 $109
92136 Measurement of corneal curvature and depth of eye 111 83 $36
92004 New patient complete exam of visual system 93 93 $129
66821 Removal of recurring cataract in lens capsule using a laser 89 57 $286
66984 Removal of cataract with insertion of prosthetic lens 83 57 $428
92133 Imaging of optic nerve 66 63 $31
92083 Exam of visual field with extended testing 54 52 $53
92012 Established patient problem focused exam of visual system 26 13 $78
92134 Imaging of retina 25 24 $34
92020 Exam of the internal drainage system of eye 21 20 $24

In context: peer comparison

Among 2 peers in Washington Ophthalmology Physician, average services per provider: 96. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$462
Transactions
11
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Thea Pharma INC. 4 $133.92
Tarsus Pharmaceuticals, INC. 1 $131.82
New World Medical,INC. 1 $109.97
Glaukos Corporation 3 $48.73
Bausch & Lomb Americas INC. 1 $21.95
Alcon Vision LLC 1 $15.94

By nature of payment

Food and Beverage
$462

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,545
Patients
614
Total drug cost
$116,047
Drug Type Claims Patients Total cost
Latanoprost Generic 453 121 $15,201
Prednisolone Acetate Generic 358 261 $10,602
Timolol Maleate Generic 192 58 $4,093
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 124 70 $1,890
Lumigan (Bimatoprost) Brand 80 16 $37,233
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 78 26 $2,862
Ketorolac Tromethamine Generic 43 22 $1,302
Rocklatan (Netarsudil Mesylat/Latanoprost) Brand 40 11 $22,120
Valacyclovir (Valacyclovir Hcl) Brand 32 12 $2,077
Famciclovir Generic 29 0 $1,438

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Korenfeld's medical specialty?
Dr. Michael Korenfeld practices Ophthalmology Physician in Washington, MO.
Where does Dr. Michael Korenfeld practice?
Dr. Michael Korenfeld practices at 901 E 3Rd St, Washington, MO 630903010. Office phone: 6363903999.
What is Dr. Michael Korenfeld's NPI?
Dr. Michael Korenfeld's National Provider Identifier (NPI) is 1174515613, issued by NPPES.
Does Dr. Michael Korenfeld accept Medicare assignment?
Yes. Dr. Michael Korenfeld accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Korenfeld commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Measurement of corneal curvature and depth of eye (HCPCS 92136); New patient complete exam of visual system (HCPCS 92004). Source: CMS Medicare Physician & Other Practitioners file.