Thomas Ziering, M.D.
NPI 1902854870 · Family Medicine Physician · Morristown, NJ
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Ziering, M.D. is a Family Medicine Physician provider in Morristown, NJ (NPI 1902854870).
Provider details
- NPI number
- 1902854870
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA05217000 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
495 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 106 | $133 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 100 | $187 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 86 | $9 |
| Urinalysis, Manual Test81002 | 61 | $3 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 44 | $15 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 36 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 90 | 27 |
| Levothyroxine Sodium | 54 | 12 |
| Semaglutidebrand: Ozempic | 37 | — |
| Atorvastatin Calcium | 32 | — |
| Amlodipine Besylate | 32 | — |
| Metoprolol Succinate | 26 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$88 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-04
- Last updated
- 2025-05-27
- Certified
- 2025-05-27
Frequently asked questions
- What is Thomas Ziering's NPI number?
- Thomas Ziering's National Provider Identifier (NPI) is 1902854870, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Ziering's specialty?
- Thomas Ziering is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Ziering located?
- Thomas Ziering's practice location on file with NPPES is 1201 Mount Kemble Ave Ste 2d, Morristown, NJ 07960-6667.
- What is Thomas Ziering's phone number?
- The practice phone number listed in the NPPES registry for Thomas Ziering is (908) 221-1919.
- Does Thomas Ziering accept Medicare?
- Thomas Ziering is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Ziering's NPI active?
- Yes — Thomas Ziering's NPI (1902854870) is active in the NPPES registry as of the last update on 2025-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.