Doctor profile · Federal record
Dr. Jennifer Twardzik, DO
Internal Medicine Physician (CMS: Internal Medicine) · Marmora, NJ
- NPI 1619065075
- Accepts Medicare
- 29 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4 W Roosevelt Blvd Ste 11
Marmora, NJ 082231441
(609) 814-9550
fax (609) 814-9554
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- March 5, 2026
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- New Jersey #25MB07015800
- Medicaid
- NJ #8205507
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1619065075. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,506
Distinct HCPCS
10
Medicare allowed
$113,327
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 476 | 282 | $96 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 387 | 235 | $77 | |
G0008 |
Administration of influenza virus vaccine | 139 | 138 | $33 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 124 | 124 | $76 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 108 | 105 | $15 | |
96372 |
Injection of drug or substance under skin or into muscle | 39 | 15 | $15 | |
J3420 |
Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | 39 | 15 | $2 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 34 | 34 | $61 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 32 | 32 | $281 | |
G0009 |
Administration of pneumococcal vaccine | 31 | 31 | $33 |
In context: peer comparison
Among 1 peers in Marmora Internal Medicine Physician, average services per provider: 100. This provider delivers 15× the peer median.Open Payments
Industry payments received
All-time total
$40
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Exact Sciences Corporation | 1 | $23.14 | |
| Pfizer INC. | 1 | $16.88 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,808
Patients
920
Total drug cost
$41,623
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 456 | 148 | $6,670 |
| Levothyroxine Sodium | Generic | 354 | 111 | $5,576 |
| Amlodipine Besylate | Generic | 318 | 100 | $2,492 |
| Rosuvastatin Calcium | Generic | 274 | 89 | $6,958 |
| Losartan Potassium | Generic | 196 | 60 | $2,800 |
| Omeprazole | Generic | 189 | 65 | $2,517 |
| Metoprolol Succinate | Generic | 149 | 45 | $3,446 |
| Lisinopril | Generic | 148 | 47 | $1,636 |
| Sertraline Hcl | Generic | 119 | 39 | $1,463 |
| Fluticasone Propionate | Generic | 112 | 76 | $1,888 |
Hospital affiliations
Frequently asked questions
What is Dr. Jennifer Twardzik's medical specialty?
Dr. Jennifer Twardzik practices Internal Medicine Physician in Marmora, NJ.
Where does Dr. Jennifer Twardzik practice?
Dr. Jennifer Twardzik practices at 4 W Roosevelt Blvd Ste 11, Marmora, NJ 082231441. Office phone: 6098149550.
What is Dr. Jennifer Twardzik's NPI?
Dr. Jennifer Twardzik's National Provider Identifier (NPI) is 1619065075, issued by NPPES.
Does Dr. Jennifer Twardzik accept Medicare assignment?
Yes. Dr. Jennifer Twardzik accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennifer Twardzik commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.