Karen Knopf Rosen, D.M.D.
General Practice Dentistry · North Brunswick, NJ
Karen Knopf Rosen, D.M.D. is a general practice dentistry with a practice address in North Brunswick, New Jersey, and NPI 1326174517, issued on Feb 24, 2007. Check the license (New Jersey 15440, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Knopf Rosen
- Credential
- D.M.D.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 15440 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 2186 State Route 27, North Brunswick, NJ 08902
- Phone
- (732) 422-7440
- Enumerated
- Feb 24, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 4,085 in New Jersey → Look up another NPI →
Also registered at 2186 State Route 27
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Karen Knopf Rosen 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 15440Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $544.75
3 payments; by number, the most common kind was food and beverage; the largest payer was Ultradent Products Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Karen Knopf Rosen among 4,085 general practice dentistry records in New Jersey
Karen Knopf Rosen, D.M.D. is one of 4,085 general practice dentistry records with a practice address in New Jersey. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 32% of them.
- NPI issued2007 · 32% of these records are older, 34% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 80% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
33 general practice dentistry records list a practice address in North Brunswick
They are 33 of the 544 NPPES records with a practice address in North Brunswick, and 4,085 general practice dentistry records in New Jersey.
All 4,085 in New Jersey → Every provider in North Brunswick → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Kevin DembinskiNorth Brunswick, NJ 089021245304229
- Joseph Fertig, DDSNorth Brunswick, NJ 089021073623187
- Michael Grasso, D.D.S.North Brunswick, NJ 089021215040365
- Harry Grossman, D.M.DNorth Brunswick, NJ 089021023022134
- Madhavi Kaluskar, DDSNorth Brunswick, NJ 089021609880483
- Valeriy Libman, DDSNorth Brunswick, NJ 089021417952714
- John Marr, D.D.S.North Brunswick, NJ 089021942329651
- Martin NagelNorth Brunswick, NJ 089021316052970
Common questions
What is Karen Knopf Rosen, D.M.D.'s NPI number?
Karen Knopf Rosen, D.M.D.'s National Provider Identifier (NPI) is 1326174517, issued on Feb 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Karen Knopf Rosen, D.M.D. located?
The NPPES record lists a practice address at 2186 State Route 27, North Brunswick, NJ, 08902. Phone: (732) 422-7440. Providers update this record themselves, so call before visiting.
How can I verify Karen Knopf Rosen, D.M.D.'s license?
NPPES lists New Jersey license number 15440, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity 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.