Timothy C. Gjenvick, M.D.
Internal Medicine Physician · Monroe Twp, NJ
Timothy C. Gjenvick, M.D. is an internal medicine physician with a practice address in Monroe Twp, New Jersey, and NPI 1003905498, issued on Oct 12, 2006. Check the license (New Jersey 25MA03470600, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Timothy C. Gjenvick
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25MA03470600 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 1600 Perrineville RD, Monroe Twp, NJ 08831
- Phone
- (609) 924-9300
- Enumerated
- Oct 12, 2006
- Record last updated
- Mar 12, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (609) 430-9451
- Medicaid ID
- 3150305 NJ
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Also registered at 1600 Perrineville RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Timothy C. Gjenvick 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 25MA03470600Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
41 Medicare Part D claims for 14 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Timothy C. Gjenvick among 4,632 internal medicine physician records in New Jersey
Timothy C. Gjenvick, M.D. 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 updated2008 · 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).
6 internal medicine physician records list a practice address in Monroe Twp
They are 6 of the 73 NPPES records with a practice address in Monroe Twp, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Monroe Twp → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Osama Ghanem, M.DMonroe Township, NJ 088311689679565
- Richa Gopal, MDMonroe, NJ 088311235266867
- Linda Korman, MDMonroe Township, NJ 088311437290079
- Phyllis Kushins, M.D.Monroe Township, NJ 088311568400927
- Kaushal Nanavati, MDMonroe Twp, NJ 088311427074459
- Vineet Prasad, M.DMonroe Twp, NJ 088311609902493
- Tariq Rizvi, MDMonroe Township, NJ 088311447277918
- Aysha Seeni, MDMonroe, NJ 088311942333885
Common questions
What is Timothy C. Gjenvick, M.D.'s NPI number?
Timothy C. Gjenvick, M.D.'s National Provider Identifier (NPI) is 1003905498, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Timothy C. Gjenvick, M.D. located?
The NPPES record lists a practice address at 1600 Perrineville RD, Monroe Twp, NJ, 08831. Phone: (609) 924-9300. Providers update this record themselves, so call before visiting.
How can I verify Timothy C. Gjenvick, M.D.'s license?
NPPES lists New Jersey license number 25MA03470600, 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 Timothy C. Gjenvick, M.D. prescribe under Medicare Part D?
In 2024, Timothy C. Gjenvick, M.D. had 41 Medicare Part D claims for 14 beneficiaries; 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.