IndividualActive
Charles Knapp, DDS, MA, MS
NPI 1912046814 · Periodontics · Frederick, MD
Charles Knapp, DDS, MA, MS is a Periodontics provider in Frederick, MD (NPI 1912046814).
Provider details
- NPI number
- 1912046814
- Entity type
- Individual
- Primary specialty
- PeriodonticsDental Providers
- Credential
- DDS, MA, MS
- Sex
- Male
- Sole proprietor
- No
- License
- 10568 (MD)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
174 Thomas Johnson Dr
101
Frederick, MD 21702-4423
Phone: (301) 620-1692
Street-level locationGet directions
Mailing address
8008 Meadowview Dr
Frederick, MD 21702-2932
Registry dates
- Enumerated
- 2007-02-06
- Last updated
- 2007-07-08
Frequently asked questions
- What is Charles Knapp's NPI number?
- Charles Knapp's National Provider Identifier (NPI) is 1912046814, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Knapp's specialty?
- Charles Knapp is listed in the NPPES registry with a primary specialty of Periodontics (Dental Providers).
- Where is Charles Knapp located?
- Charles Knapp's practice location on file with NPPES is 174 Thomas Johnson Dr, Frederick, MD 21702-4423.
- What is Charles Knapp's phone number?
- The practice phone number listed in the NPPES registry for Charles Knapp is (301) 620-1692.
- Is Charles Knapp's NPI active?
- Yes — Charles Knapp's NPI (1912046814) 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.