Charles Knapp, DDS
Dentist · Fair Lawn, NJ
Charles Knapp, DDS is a dentist with a practice address in Fair Lawn, New Jersey, and NPI 1437249406, issued on Oct 13, 2006. Check the license (New Jersey DI14251, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Charles Knapp
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- DI14251 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 23-02 Maple Ave, Fair Lawn, NJ 07410
- Phone
- (201) 791-4161
- Enumerated
- Oct 13, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (201) 791-0082
- Entity
- Type 1 · individual
8 nearest dentist records → All 2,742 in New Jersey → Look up another NPI →
Verify Charles Knapp in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
Search for license DI14251Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% fewer Medicare Part D claims than the average dentist in 2024
69 Medicare Part D claims for 37 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin21 claims
- Amoxicillin-Clavulanate Potass21 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Charles Knapp among 2,742 dentist records in New Jersey
Charles Knapp, DDS is one of 2,742 dentist records with a practice address in New Jersey. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 81% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 dentist records list a practice address in Fair Lawn
They are 17 of the 1,041 NPPES records with a practice address in Fair Lawn, and 2,742 dentist records in New Jersey.
All 2,742 in New Jersey → Every provider in Fair Lawn → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Jody Bardash, D.M.D.Fair Lawn, NJ 074101972666121
- Tamara Briskin, DMD DENTISTFair Lawn, NJ 074101205128402
- Jeffrey Buchmann, DMDFair Lawn, NJ 074101073674743
- Helena Devaris, DDSFair Lawn, NJ 074101679723589
- Marina Guelfguat, DDSFair Lawn, NJ 074101902008816
- Allison Jang, DDSFair Lawn, NJ 074101275730186
- Douglas Mahler, DMDFair Lawn, NJ 074101245383744
- Rachel Mandel, D.M.DFair Lawn, NJ 074101750607008
Common questions
What is Charles Knapp, DDS's NPI number?
Charles Knapp, DDS's National Provider Identifier (NPI) is 1437249406, issued on Oct 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles Knapp, DDS located?
The NPPES record lists a practice address at 23-02 Maple Ave, Fair Lawn, NJ, 07410. Phone: (201) 791-4161. Providers update this record themselves, so call before visiting.
How can I verify Charles Knapp, DDS's license?
NPPES lists New Jersey license number DI14251, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.
How much does Charles Knapp, DDS prescribe under Medicare Part D?
In 2024, Charles Knapp, DDS had 69 Medicare Part D claims for 37 beneficiaries; the average among dentist prescribers was 86. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.