John Robert Marler, M.D.
Neurology Physician · Silver Spring, MD
John Robert Marler, M.D. is a neurology physician with a practice address in Silver Spring, Maryland, and NPI 1134424666, issued on Jan 13, 2011. Check the license (Maryland D0031513, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Robert Marler
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- D0031513 MD
Self-reported in NPPES; status is on the state search - Practice location
- 10903 New Hampshire, Silver Spring, MD 20993
- Phone
- (301) 796-4221
- Enumerated
- Jan 13, 2011
- Record last updated
- Sep 26, 2011 (not updated in 15 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 526 in Maryland → Look up another NPI →
Also registered at 10903 New Hampshire
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Robert Marler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0031513Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Robert Marler among 526 neurology physician records in Maryland
John Robert Marler, M.D. is one of 526 neurology physician records with a practice address in Maryland. 74% 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 2011, is newer than 70% of them.
- NPI issued2011 · 70% of these records are older, 27% newer
- In a Medicare fileNo · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2011 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Maryland
There are 526 neurology physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 526 in Maryland → Every provider in Silver Spring → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Michael Dimyan, M.D.Silver Spring, MD 209931083652390
- Youngsin Jung, MDSilver Spring, MD 209931528329570
- Brian Trummer, M.D. / PH.D.Silver Spring, MD 209931871937367
- Dong Chul Park, MDBel Air, MD 210141174794788
- Syed Imran ShaukatBel Air, MD 210141316069883
- Adonis Amparo, M.D.Bel Air, MD 210151366558009
- Neda Najimi, M.D.Cockeysville, MD 210301952835894
- Earl Henry, M.D.Hunt Valley, MD 210311811012628
Common questions
What is John Robert Marler, M.D.'s NPI number?
John Robert Marler, M.D.'s National Provider Identifier (NPI) is 1134424666, issued on Jan 13, 2011. An NPI identifies a provider in billing; it is not a license.
Where is John Robert Marler, M.D. located?
The NPPES record lists a practice address at 10903 New Hampshire, Silver Spring, MD, 20993. Phone: (301) 796-4221. Providers update this record themselves, so call before visiting.
How can I verify John Robert Marler, M.D.'s license?
NPPES lists Maryland license number D0031513, 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.