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.

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)

Practice location

174 Thomas Johnson Dr

101

Frederick, MD 21702-4423

Phone: (301) 620-1692

Street-level locationGet directions

More MD providers

Mailing address

8008 Meadowview Dr

Frederick, MD 21702-2932

Specialties & taxonomies

PeriodonticsPrimary1223P0300XLicense 10568 (MD)
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.

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.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions