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Lois Knapp, MD
NPI 1578564514 · Specialist · Bethesda, MD
Lois Knapp, MD is a Specialist provider in Bethesda, MD (NPI 1578564514).
Provider details
- NPI number
- 1578564514
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Female
- License
- 59219 (OH)
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
National Naval Medical Center
8901 Wisconsin Avenue
Bethesda, MD 20889
Phone: (301) 319-4963
Approximate (ZIP-level) locationGet directions
Mailing address
5300 Columbia Pike
Arlington, VA 22204-3120
Registry dates
- Enumerated
- 2005-08-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Lois Knapp's NPI number?
- Lois Knapp's National Provider Identifier (NPI) is 1578564514, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lois Knapp's specialty?
- Lois Knapp is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Lois Knapp located?
- Lois Knapp's practice location on file with NPPES is National Naval Medical Center, Bethesda, MD 20889.
- What is Lois Knapp's phone number?
- The practice phone number listed in the NPPES registry for Lois Knapp is (301) 319-4963.
- Is Lois Knapp's NPI active?
- Yes — Lois Knapp's NPI (1578564514) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.