Barbara Knowles-Fenning, D.D.S.
Periodontics · Waldwick, NJ
Barbara Knowles-Fenning, D.D.S. is a periodontics with a practice address in Waldwick, New Jersey, and NPI 1225119902, issued on Oct 18, 2006. Check the license (New Jersey DI14585, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Barbara Knowles-Fenning
- Credential
- D.D.S.
- Primary taxonomy
- Periodontics 1223P0300X
- License number
- DI14585 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 61 Crescent Ave, Waldwick, NJ 07463
- Phone
- (201) 445-0340
- Enumerated
- Oct 18, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 61 Crescent Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jonathan Mangot, DMDGeneral Practice Dentistry1093871295
- Keith Oconnell, D.C.Chiropractor1699771667
Verify Barbara Knowles-Fenning 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 DI14585Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average periodontics in 2024
78 Medicare Part D claims for 44 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin33 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.
Periodontics providers in New Jersey
There are 291 periodontics records in New Jersey.
Other periodontics records in New Jersey
- Keith Abrams, D.M.D.Clifton, NJ1295950863
- Amir Ahmadi, DDSTeaneck, NJ1912086372
- James Albani, DMDColonia, NJ1831250521
- Wayne Aldredge, DMDNutley, NJ1982615647
- Unnati Amin, D.D.S.Morristown, NJ1952564429
- Andrew Andrawis, DMDEast Brunswick, NJ1043678659
- Wayne Arndt, DMDMorristown, NJ1952439168
- Jean Pierre Arnoux, D.D.S.Lawrenceville, NJ1912126384
- Robert Ashmen, D.M.D.North Brunswick, NJ1306966312
- Annemarie Athansios, DMDCedar Grove, NJ1811678063
Common questions
What is Barbara Knowles-Fenning, D.D.S.'s NPI number?
Barbara Knowles-Fenning, D.D.S.'s National Provider Identifier (NPI) is 1225119902, issued on Oct 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Barbara Knowles-Fenning, D.D.S. located?
The NPPES record lists a practice address at 61 Crescent Ave, Waldwick, NJ, 07463. Phone: (201) 445-0340. Providers update this record themselves, so call before visiting.
How can I verify Barbara Knowles-Fenning, D.D.S.'s license?
NPPES lists New Jersey license number DI14585, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.
How much does Barbara Knowles-Fenning, D.D.S. prescribe under Medicare Part D?
In 2024, Barbara Knowles-Fenning, D.D.S. had 78 Medicare Part D claims for 44 beneficiaries; the average among periodontics prescribers was 277. 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.