Keith Stephan Appelbaum, D.M.D.
Dentist · Sparta, NJ
Keith Stephan Appelbaum, D.M.D. is a dentist with a practice address in Sparta, New Jersey, and NPI 1649408550, issued on Jun 30, 2009. Check the license (New Jersey 22DI02411400, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Keith Stephan Appelbaum
- Credential
- D.M.D.
- Primary taxonomy
- Dentist 122300000X
- License number
- 22DI02411400 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 1 Professional Quadrangle, Sparta, NJ 07871
- Phone
- (973) 598-3450
- Enumerated
- Jun 30, 2009
- Record last updated
- Jul 24, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (973) 598-3455
- Entity
- Type 1 · individual
8 nearest dentist records → All 2,742 in New Jersey → Look up another NPI →
Also registered at 1 Professional Quadrangle
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dawn Poli, D.M.D.Dentist1306076617
Verify Keith Stephan Appelbaum 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 22DI02411400Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average dentist in 2024
226 Medicare Part D claims for 171 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin108 claims
- Azithromycin88 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.
Keith Stephan Appelbaum among 2,742 dentist records in New Jersey
Keith Stephan Appelbaum, D.M.D. 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 2009, is newer than 53% of them.
- NPI issued2009 · 53% of these records are older, 44% 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 updated2013 · 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).
6 dentist records list a practice address in Sparta
They are 6 of the 494 NPPES records with a practice address in Sparta, and 2,742 dentist records in New Jersey.
All 2,742 in New Jersey → Every provider in Sparta → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Zelia Cannon, DDSSparta, NJ 078711245446087
- George Parker, DMDSparta, NJ 078711952414765
- Dawn Poli, D.M.D.Sparta, NJ 078711306076617
- Lawrence Sullivan, D.D.S.Sparta, NJ 078711043552664
- Michael Ward, D.M.D.Sparta, NJ 078711235233719
- Preetmohinder Bagga, D.M.DRandolph, NJ 078691548588551
- Grigoriy Efros, D.M.D., MSRandolph, NJ 078691265828297
- Erginio Fernandez, D.M.D.Randolph, NJ 078691770809030
Common questions
What is Keith Stephan Appelbaum, D.M.D.'s NPI number?
Keith Stephan Appelbaum, D.M.D.'s National Provider Identifier (NPI) is 1649408550, issued on Jun 30, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Keith Stephan Appelbaum, D.M.D. located?
The NPPES record lists a practice address at 1 Professional Quadrangle, Sparta, NJ, 07871. Phone: (973) 598-3450. Providers update this record themselves, so call before visiting.
How can I verify Keith Stephan Appelbaum, D.M.D.'s license?
NPPES lists New Jersey license number 22DI02411400, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.
How much does Keith Stephan Appelbaum, D.M.D. prescribe under Medicare Part D?
In 2024, Keith Stephan Appelbaum, D.M.D. had 226 Medicare Part D claims for 171 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.