Doctor profile · Federal record
Dr. Ellen Ronnen, MD
Hematology & Oncology Physician (CMS: Medical Oncology) · East Brunswick, NJ
- NPI 1003828823
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 27 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
629 Cranbury RD Fl 2
East Brunswick, NJ 088164096
(732) 390-7750
fax (732) 390-7725 - Additional location
-
J2 Brier Hill Court
East Brunswick, NJ 08816
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- May 20, 2023
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- New Jersey #25MA08099000
- Medicaid
- NJ #0122971
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1003828823. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
64,917
Distinct HCPCS
10
Medicare allowed
$541,061
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J1439 |
Injection, ferric carboxymaltose, 1 mg | 37,500 | 37 | $1 | |
J1756 |
Injection, iron sucrose, 1 mg | 8,800 | 20 | $0 | |
J0881 |
Injection, darbepoetin alfa, 1 microgram (non-esrd use) | 7,180 | 16 | $3 | |
J0897 |
Injection, denosumab, 1 mg | 2,520 | 18 | $23 | |
J1569 |
Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg | 1,970 | 12 | $45 | |
36415 |
Insertion of needle into vein for collection of blood sample | 1,134 | 398 | $8 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 872 | 35 | $0 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 762 | 350 | $140 | |
85027 |
Complete blood cell count (red cells, white blood cell, platelets), automated test | 605 | 176 | $6 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 513 | 209 | $8 |
In context: peer comparison
Among 2 peers in East Brunswick Hematology & Oncology Physician, average services per provider: 1,316. This provider delivers 49× the peer median.Open Payments
Industry payments received
All-time total
$239
Transactions
13
Manufacturers
10
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pfizer INC. | 3 | $52.58 | |
| Octapharma USA, INC. | 2 | $32.23 | |
| Daiichi Sankyo INC. | 1 | $24.90 | |
| Mirati Therapeutics, INC. | 1 | $23.21 | |
| GlaxoSmithKline, LLC. | 1 | $19.05 | |
| Stemline Therapeutics INC. | 1 | $18.52 | |
| Exelixis INC. | 1 | $18.34 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $17.06 | |
| Ipsen Biopharmaceuticals, INC | 1 | $16.99 | |
| Celgene Corporation | 1 | $15.73 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
810
Patients
155
Total drug cost
$1,889,571
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Anastrozole | Generic | 256 | 74 | $8,146 |
| Procrit (Epoetin Alfa) | Brand | 118 | 26 | $204,007 |
| Eliquis (Apixaban) | Brand | 94 | 21 | $79,882 |
| Aranesp (Darbepoetin Alfa in Polysorbat) | Brand | 58 | 11 | $198,350 |
| Ibrance (Palbociclib) | Brand | 39 | 0 | $605,593 |
| Hydroxyurea | Generic | 35 | 0 | $969 |
| Neulasta (Pegfilgrastim) | Brand | 33 | 11 | $310,604 |
| Xarelto (Rivaroxaban) | Brand | 29 | 0 | $39,054 |
| Warfarin Sodium | Generic | 28 | 0 | $626 |
| Venclexta (Venetoclax) | Brand | 26 | 0 | $23,125 |
Hospital affiliations
Frequently asked questions
What is Dr. Ellen Ronnen's medical specialty?
Dr. Ellen Ronnen practices Hematology & Oncology Physician in East Brunswick, NJ.
Where does Dr. Ellen Ronnen practice?
Dr. Ellen Ronnen practices at 629 Cranbury RD Fl 2, East Brunswick, NJ 088164096. Office phone: 7323907750.
What is Dr. Ellen Ronnen's NPI?
Dr. Ellen Ronnen's National Provider Identifier (NPI) is 1003828823, issued by NPPES.
Does Dr. Ellen Ronnen accept Medicare assignment?
Yes. Dr. Ellen Ronnen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ellen Ronnen commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Injection, iron sucrose, 1 mg (HCPCS J1756); Injection, darbepoetin alfa, 1 microgram (non-esrd use) (HCPCS J0881). Source: CMS Medicare Physician & Other Practitioners file.