Doctor profile · Federal record

Dr. Michael Korchak, M.D.

Cornea and External Diseases Specialist Physician (CMS: Ophthalmology) · Ophthalmology Physician · Upper Marlboro, MD

  • NPI 1750647186
  • Accepts Medicare
  • 14 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1221 Mercantile Ln
Upper Marlboro, MD 207745374
(301) 618-5500
Additional location
1305 York Ave, Floor 11
New York, NY 100215663
(646) 962-5458
fax (646) 962-0609
Mailing address
1035 N Kensington St
Arlington, VA 222052337

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
June 23, 2021
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207WX0120X — NUCC code
State licenses (2)
Maryland #D83188 · New York #283240

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750647186. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
70
Distinct HCPCS
4
Medicare allowed
$7,711
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 26 25 $122
92012 Established patient problem focused exam of visual system 20 11 $99
92004 New patient complete exam of visual system 12 12 $160
92136 Measurement of corneal curvature and depth of eye 12 12 $54

In context: peer comparison

Among 1 peers in Upper Marlboro Cornea and External Diseases Specialist Physician, average services per provider: 17. This provider delivers 4.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,636
Patients
1,187
Total drug cost
$98,921
Drug Type Claims Patients Total cost
Latanoprost Generic 812 312 $12,121
Prednisolone Acetate Generic 375 218 $19,662
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 280 100 $7,138
Timolol Maleate Generic 226 87 $3,836
Ketorolac Tromethamine Generic 190 117 $3,495
Brimonidine Tartrate Generic 184 79 $4,689
Cyclosporine Generic 174 62 $23,792
Moxifloxacin (Moxifloxacin Hcl) Brand 133 108 $1,406
Fluorometholone Generic 80 30 $11,892
Dorzolamide Hcl Generic 55 19 $1,379

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Korchak's medical specialty?
Dr. Michael Korchak practices Cornea and External Diseases Specialist Physician in Upper Marlboro, MD.
Where does Dr. Michael Korchak practice?
Dr. Michael Korchak practices at 1221 Mercantile Ln, Upper Marlboro, MD 207745374. Office phone: 3016185500.
What is Dr. Michael Korchak's NPI?
Dr. Michael Korchak's National Provider Identifier (NPI) is 1750647186, issued by NPPES.
Does Dr. Michael Korchak accept Medicare assignment?
Yes. Dr. Michael Korchak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Korchak commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient problem focused exam of visual system (HCPCS 92012); New patient complete exam of visual system (HCPCS 92004). Source: CMS Medicare Physician & Other Practitioners file.