Michael Koren, M.D.
Infectious Disease Physician · Silver Spring, MD
Michael Koren, M.D. is an infectious disease physician with a practice address in Silver Spring, Maryland, and NPI 1881914802, issued on Jun 2, 2010. Check the license on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Michael Koren
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 0101250400 VA
Self-reported in NPPES; status is on the state search - Practice location
- 503 Robert Grant Ave, Silver Spring, MD 20910
- Phone
- (301) 319-9904
- Enumerated
- Jun 2, 2010
- Record last updated
- Aug 12, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20230615000852); accepts Medicare assignment
- Medical or professional school
- Uniformed Services Uhs Fe Hebert School Of Med, 2010
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 410 in Maryland → Look up another NPI →
Also registered at 503 Robert Grant Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kristen Bauer, MDInfectious Disease Physician1861558546
- William Culp, DVMVeterinarian1154698462
- Ralph Erickson, M.D.Public Health & General Preventive Medicine Physician1578756649
- Robert Kuschner, M.D.Military Health Care Provider1699839001
- Joyce Lapa, M.D., M.P.H.Public Health & General Preventive Medicine Physician1881681849
Verify Michael Koren in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average infectious disease physician in 2024
80 Medicare Part D claims for 23 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% 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.
Bills Medicare through one group practice
- Alegent Creighton ClinicOmaha, NE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Koren among 410 infectious disease physician records in Maryland
Michael Koren, M.D. is one of 410 infectious disease physician records with a practice address in Maryland. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 69% of them.
- NPI issued2010 · 69% of these records are older, 26% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2010 · median 2002 among the 202 with a school on file
- Record last updated2016 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Maryland
There are 410 infectious disease physician records in Maryland.
All 410 in Maryland → Every provider in Silver Spring → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Kristen Bauer, MDSilver Spring, MD 209101861558546
- Sameer Ismailjee, M.D.Silver Spring, MD 209101669403341
- Lynette Posorske, MDSilver Spring, MD 209101598728305
- Vasilios Pyrgos, MDSilver Spring, MD 209101932353786
- Marlon Rampaul, M.D.Silver Spring, MD 209101528355484
- Shukdeo Sankar, M.D.Silver Spring, MD 209101871823468
- Rebecca Shaffer, MDSilver Spring, MD 209101104932805
- Marvin Sklar, M.D.Silver Spring, MD 209101083777262
Common questions
What is Michael Koren, M.D.'s NPI number?
Michael Koren, M.D.'s National Provider Identifier (NPI) is 1881914802, issued on Jun 2, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Michael Koren, M.D. located?
The NPPES record lists a practice address at 503 Robert Grant Ave, Silver Spring, MD, 20910. Phone: (301) 319-9904. Providers update this record themselves, so call before visiting.
How can I verify Michael Koren, M.D.'s license?
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 Koren, M.D. prescribe under Medicare Part D?
In 2024, Michael Koren, M.D. had 80 Medicare Part D claims for 23 beneficiaries; the average among infectious disease physician prescribers was 689. 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.