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Leonard Glassman, M.D.
NPI 1821048109 · Specialist · Chevy Chase, MD
Leonard Glassman, M.D. is a Specialist provider in Chevy Chase, MD (NPI 1821048109).
Provider details
- NPI number
- 1821048109
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0044936 (MD)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
4445 Willard Ave
Ste 200
Chevy Chase, MD 20815-3690
Phone: (301) 654-4242
Fax: (703) 280-5098
Approximate (ZIP-level) locationGet directions
Mailing address
3015 Williams Dr
Fairfax, VA 22031-4623
Registry dates
- Enumerated
- 2006-05-10
- Last updated
- 2009-06-23
Frequently asked questions
- What is Leonard Glassman's NPI number?
- Leonard Glassman's National Provider Identifier (NPI) is 1821048109, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonard Glassman's specialty?
- Leonard Glassman is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Leonard Glassman located?
- Leonard Glassman's practice location on file with NPPES is 4445 Willard Ave, Chevy Chase, MD 20815-3690.
- What is Leonard Glassman's phone number?
- The practice phone number listed in the NPPES registry for Leonard Glassman is (301) 654-4242.
- Is Leonard Glassman's NPI active?
- Yes — Leonard Glassman's NPI (1821048109) is active in the NPPES registry as of the last update on 2009-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.