Louis Y. Korman, M.D.
Gastroenterology Physician · Chevy Chase, MD
Louis Y. Korman, M.D. is a gastroenterology physician with a practice address in Chevy Chase, Maryland, and NPI 1447229968, issued on Mar 16, 2006. Check the license (Maryland D0022154, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Louis Y. Korman
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- D0022154 MD
Self-reported in NPPES; status is on the state search - Practice location
- 5530 Wisconsin Ave, Chevy Chase, MD 20815
- Phone
- (301) 654-2521
- Enumerated
- Mar 16, 2006
- Record last updated
- Feb 28, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (301) 654-2986
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 505 in Maryland → Look up another NPI →
Also registered at 5530 Wisconsin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Louis Y. Korman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0022154Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average gastroenterology physician in 2024
44 Medicare Part D claims, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of 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.
Industry payments in 2024: $179.12
4 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Louis Y. Korman among 505 gastroenterology physician records in Maryland
Louis Y. Korman, M.D. is one of 505 gastroenterology physician records with a practice address in Maryland. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 46% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2013 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 gastroenterology physician records list a practice address in Chevy Chase
They are 17 of the 1,118 NPPES records with a practice address in Chevy Chase, and 505 gastroenterology physician records in Maryland.
All 505 in Maryland → Every provider in Chevy Chase → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Mohammed Ali, MDChevy Chase, MD 208151962476143
- Matthew Chandler, M.D.Chevy Chase, MD 208151568618940
- Robynne Chutkan, M.D.Chevy Chase, MD 208151437212347
- Kevin Collier, M.D.Chevy Chase, MD 208151730287228
- Ramsey Daher, M.D.Chevy Chase, MD 208151710206115
- Ramin Farboudmanesch, MDChevy Chase, MD 208151669433215
- Robert Hardi, M.D.Chevy Chase, MD 208151285693440
- Michael Keegan, M.D.Chevy Chase, MD 208151992774442
Common questions
What is Louis Y. Korman, M.D.'s NPI number?
Louis Y. Korman, M.D.'s National Provider Identifier (NPI) is 1447229968, issued on Mar 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Louis Y. Korman, M.D. located?
The NPPES record lists a practice address at 5530 Wisconsin Ave, Chevy Chase, MD, 20815. Phone: (301) 654-2521. Providers update this record themselves, so call before visiting.
How can I verify Louis Y. Korman, M.D.'s license?
NPPES lists Maryland license number D0022154, 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 Louis Y. Korman, M.D. prescribe under Medicare Part D?
In 2024, Louis Y. Korman, M.D. had 44 Medicare Part D claims; the average among gastroenterology physician prescribers was 811. 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.