TIMOTHY C GJENVICK (M.D.) – Internal Medicine Physician, NPI 1003905498
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for TIMOTHY C GJENVICK (M.D.)
419, North Harrison Street, North Princeton, Princeton, Mercer County, New Jersey, 08540, United States
PRINCETON, NJ 085403521
Phone: (609) 924-9300
Fax: (609) 430-9481
Type: Mailing
Stop & Shop, 1600, Perrineville Road, Concordia, Monroe Township, Middlesex County, New Jersey, 08831, United States
MONROE TWP, NJ 088314923
Phone: (609) 924-9300
Fax: (609) 430-9451
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2005-10-19
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20051019000473 | I | Internal Medicine | NJ | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 08540)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | NJ | 85610 | Blood test, clotting time | 440 | 41 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Cardiovascular Disease (Cardiology), Nuclear Medicine | NJ | |
| Internal Medicine | NJ | |
| Cardiovascular Disease (Cardiology) | NJ | |
| Internal Medicine | NJ | |
| - | NJ | |
| R H E U M A T O L O G Y | NJ | |
| Internal Medicine | NJ | |
| Sleep Medicine, Pulmonary Disease | NJ | |
| Internal Medicine | NY | |
| Internal Medicine, Rheumatology | NJ |
Reviews
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