Lewis Karl Schrager, M.D.
Infectious Disease Physician · North Bethesda, MD
Lewis Karl Schrager, M.D. is an infectious disease physician with a practice address in North Bethesda, Maryland, and NPI 1922370659, issued on Jan 26, 2012. Check the license (Maryland D0040342, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Lewis Karl Schrager
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- D0040342 MD
Self-reported in NPPES; status is on the state search - Practice location
- 6932 Old Stage RD, North Bethesda, MD 20852
- Phone
- (301) 231-6012
- Enumerated
- Jan 26, 2012
- Record last updated
- Jan 26, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 410 in Maryland → Look up another NPI →
Verify Lewis Karl Schrager in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0040342Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Lewis Karl Schrager among 410 infectious disease physician records in Maryland
Lewis Karl Schrager, 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 not. Its NPI, issued in 2012, is newer than 78% of them.
- NPI issued2012 · 78% of these records are older, 20% newer
- In a Medicare fileNo · 59% of these records are
- In the CMS Doctors and Clinicians fileNo · 49% of these records are
- Record last updated2012 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 410 in Maryland → Every provider in North Bethesda → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Jay Epstein, M.D.Rockville, MD 208521285828574
- Dale Lawrence, M.D.North Bethesda, MD 208521407282262
- Karen Midthun, M.D.Rockville, MD 208521821282385
- Roshan Ramanathan, MD, MPHRockville, MD 208521396180527
- Mark Snyder, MDRockville, MD 208521982766572
- Wellington Sun, M.D.Rockville, MD 208521013161389
- Steven Gitterman, M.D.Rockville, MD 208531598788135
- Gerald Quinnan, MDRockville, MD 208531437428208
Common questions
What is Lewis Karl Schrager, M.D.'s NPI number?
Lewis Karl Schrager, M.D.'s National Provider Identifier (NPI) is 1922370659, issued on Jan 26, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Lewis Karl Schrager, M.D. located?
The NPPES record lists a practice address at 6932 Old Stage RD, North Bethesda, MD, 20852. Phone: (301) 231-6012. Providers update this record themselves, so call before visiting.
How can I verify Lewis Karl Schrager, M.D.'s license?
NPPES lists Maryland license number D0040342, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.