DR. THOMAS S. ZIERING (M.D.) – Family Medicine Physician, NPI 1902854870
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,515 FAMILY PRACTICE in NJ
Provider Addresses for DR. THOMAS S. ZIERING (M.D.)
1201 MOUNT KEMBLE AVE STE 2D
MORRISTOWN, NJ 079606667
Phone: (973) 584-4251
Fax: (973) 584-4251
Type: Mailing
39, Olcott Square, Bernardsville, Somerset County, New Jersey, 07924, United States
BERNARDSVILLE, NJ 079242317
Phone: (908) 221-1919
Fax: (908) 221-1005
Type: Location
55, Ridgewood Drive, Mount Freedom, Randolph Township, Morris County, New Jersey, 07869, United States
RANDOLPH, NJ 078693752
Phone: (973) 584-4251
Fax: (973) 584-4251
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 12 Open Payments records for all available years, with a total value of $223.
Total Amount is formed as General ($223) + Research ($0) + Ownership ($0) = $223.
Last reported payment date: 2024-11-04 • Largest payer in this snapshot: iRhythm Technologies, Inc. ($57).
Total Amount
$223
General + Research + Ownership
Payments
12
Total payment records
General Amount
$223
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-04
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| iRhythm Technologies, Inc. | $57 |
| ViiV Healthcare Company | $36 |
| Lilly USA, LLC | $32 |
| Exact Sciences Corporation | $24 |
| Novo Nordisk Inc | $16 |
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: 2006-03-27
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 |
|---|---|---|---|---|
| I20060327000048 | I | Family Practice | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 45 | 28 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 43 | 35 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 40 | 33 | $0 |
| 81002 | Urinalysis, manual test | 23 | 22 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 20 | 20 | $0 |
Insurance plans in this area (ZIP 07960)
Loading plans...
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.