Allan Charles Denenberg, MD
Internal Medicine Physician · Denville, NJ
Allan Charles Denenberg, MD is an internal medicine physician with a practice address in Denville, New Jersey, and NPI 1679501464, issued on Jun 29, 2006. Check the license (New Jersey 21354, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Allan Charles Denenberg
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 21354 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 35 West Main St, Denville, NJ 07834
- Phone
- (973) 625-9596
- Enumerated
- Jun 29, 2006
- Record last updated
- Jan 8, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (973) 625-1713
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Also registered at 35 West Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Darrin McDermott, DC, MBANutrition Chiropractor1487839064
Verify Allan Charles Denenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 21354Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
51 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of 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.
Allan Charles Denenberg among 4,632 internal medicine physician records in New Jersey
Allan Charles Denenberg, MD is one of 4,632 internal medicine physician records with a practice address in New Jersey. 82% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 50% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2010 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 internal medicine physician records list a practice address in Denville
They are 24 of the 807 NPPES records with a practice address in Denville, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Denville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Dana Banu, MDDenville, NJ 078341356366124
- Robert Collum, MDDenville, NJ 078341912941899
- Michael Gironta, DODenville, NJ 078341013985928
- Garine Kalaydjian, MDDenville, NJ 078341184657660
- Seth Levy, MDDenville, NJ 078341316980782
- Jose Lopez, M.D.Denville, NJ 078341427150846
- Sonali Maniar, M.DDenville, NJ 078341649476946
- Bruce Mintz, DODenville, NJ 078341508834169
Common questions
What is Allan Charles Denenberg, MD's NPI number?
Allan Charles Denenberg, MD's National Provider Identifier (NPI) is 1679501464, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Allan Charles Denenberg, MD located?
The NPPES record lists a practice address at 35 West Main St, Denville, NJ, 07834. Phone: (973) 625-9596. Providers update this record themselves, so call before visiting.
How can I verify Allan Charles Denenberg, MD's license?
NPPES lists New Jersey license number 21354, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Allan Charles Denenberg, MD prescribe under Medicare Part D?
In 2024, Allan Charles Denenberg, MD had 51 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.