Michael Ernest Korchak, M.D.
Cornea and External Diseases Specialist Physician · Upper Marlboro, MD
Michael Ernest Korchak, M.D. is a cornea and external diseases specialist physician with a practice address in Upper Marlboro, Maryland, and NPI 1750647186, issued on Apr 10, 2012. Check the license (Maryland D83188, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Michael Ernest Korchak
- Credential
- M.D.
- Primary taxonomy
- Cornea and External Diseases Specialist Physician 207WX0120X
- License numbers
- D83188 MD
283240 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1221 Mercantile LN, Upper Marlboro, MD 20774
- Phone
- (301) 618-5500
- Enumerated
- Apr 10, 2012
- Record last updated
- Jun 23, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170912000876); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 2012
- Entity
- Type 1 · individual
Also registered at 1221 Mercantile LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Isabella Ahanogbe, M.D.Family Medicine Physician1821381849
- Folabomi Ajanaku, M.D.Gastroenterology Physician1851719777
- Jacqueline Arthur-Baidoo, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1235810276
- David Auh, MDFamily Medicine Physician1356752588
- Olufemi Balogun, MDFamily Medicine Physician1194010678
- Folasade Bangali, DPTPhysical Therapist1811394091
Verify Michael Ernest Korchak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D83188Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% more Medicare Part D claims than the average cornea and external diseases specialist physician in 2024
2,368 Medicare Part D claims for 668 beneficiaries, against an average of 1,263 among the 330 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Latanoprost690 claims
- Prednisolone Acetate359 claims
- Dorzolamide-Timolol210 claims
- Cyclosporine199 claims
- Timolol Maleate183 claims
- Moxifloxacin161 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF The Mid Atlantic States, IncLargo, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cornea and External Diseases Specialist Physician providers in Maryland
There are 8 cornea and external diseases specialist physician records in Maryland.
Other cornea and external diseases specialist physician records in Maryland
- Shruti Aggarwal, M.B.B.SFulton, MD1518372853
- Lawrence Flanders, M.DChevy Chase, MD1811382120
- Okezie Igboeli, M.D.Bethesda, MD1427340215
- Joseph Mekhail, M.D.Greenbelt, MD1023540846
- Farhan Merali, M.D., M.B.A.Baltimore, MD1821383738
- Imane Tarib, MDFrederick, MD1699460956
- Christine Wang, MDBaltimore, MD1083238257
Common questions
What is Michael Ernest Korchak, M.D.'s NPI number?
Michael Ernest Korchak, M.D.'s National Provider Identifier (NPI) is 1750647186, issued on Apr 10, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Michael Ernest Korchak, M.D. located?
The NPPES record lists a practice address at 1221 Mercantile LN, Upper Marlboro, MD, 20774. Phone: (301) 618-5500. Providers update this record themselves, so call before visiting.
How can I verify Michael Ernest Korchak, M.D.'s license?
NPPES lists Maryland license number D83188, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael Ernest Korchak, M.D. prescribe under Medicare Part D?
In 2024, Michael Ernest Korchak, M.D. had 2,368 Medicare Part D claims for 668 beneficiaries; the average among cornea and external diseases specialist physician prescribers was 1,263. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.