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John Marler, M.D.
NPI 1134424666 · Neurology Physician · Silver Spring, MD
John Marler, M.D. is a Neurology Physician provider in Silver Spring, MD (NPI 1134424666).
Provider details
- NPI number
- 1134424666
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0031513 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(82/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
10903 New Hampshire
Silver Spring, MD 20993-0002
Phone: (301) 796-4221
Street-level locationGet directions
Mailing address
10903 New Hampshire
Silver Spring, MD 20993-0002
Registry dates
- Enumerated
- 2011-01-13
- Last updated
- 2011-09-26
Frequently asked questions
- What is John Marler's NPI number?
- John Marler's National Provider Identifier (NPI) is 1134424666, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Marler's specialty?
- John Marler is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is John Marler located?
- John Marler's practice location on file with NPPES is 10903 New Hampshire, Silver Spring, MD 20993-0002.
- What is John Marler's phone number?
- The practice phone number listed in the NPPES registry for John Marler is (301) 796-4221.
- Is John Marler's NPI active?
- Yes — John Marler's NPI (1134424666) is active in the NPPES registry as of the last update on 2011-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.