Jennifer Twardzik, DO
NPI 1619065075 · Internal Medicine Physician · Marmora, NJ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Twardzik, DO is a Internal Medicine Physician provider in Marmora, NJ (NPI 1619065075).
Provider details
- NPI number
- 1619065075
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 25MB07015800 (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
19 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
1,116 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 | 515 | $96 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 316 | $79 |
| Administration of Influenza Virus VaccineG0008 | 106 | $34 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 90 | $15 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 21 | $109 |
| Transitional Care Management Services for Problem of High Complexity |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 102 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 476 | 147 |
| Levothyroxine Sodium | 392 | 109 |
| Amlodipine Besylate | 328 | 102 |
| Rosuvastatin Calcium | 310 | 104 |
| Losartan Potassium | 216 | 66 |
| Omeprazole | 215 | 69 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$40 across 2 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
- 2006-10-11
- Last updated
- 2026-03-05
- Certified
- 2026-03-05
Frequently asked questions
- What is Jennifer Twardzik's NPI number?
- Jennifer Twardzik's National Provider Identifier (NPI) is 1619065075, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Twardzik's specialty?
- Jennifer Twardzik is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Twardzik located?
- Jennifer Twardzik's practice location on file with NPPES is 4 W Roosevelt Blvd Ste 11, Marmora, NJ 08223-1441.
- What is Jennifer Twardzik's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Twardzik is (609) 814-9550.
- Does Jennifer Twardzik accept Medicare?
- Jennifer Twardzik is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Twardzik's NPI active?
- Yes — Jennifer Twardzik's NPI (1619065075) is active in the NPPES registry as of the last update on 2026-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.