ELLEN A RONNEN MD
NPI 1003828823
Internal Medicine - Hematology & Oncology in East Brunswick, NJ

Active since August 12, 2006PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
629 CRANBURY RD FL 2, EAST BRUNSWICK, NJ 08816(732) 390-7750(732) 390-7725 Get Directions Write a Review

NPPES record last updated: May 20, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 20, 2023, Apr 19, 2021 (2 updates tracked since 2021).

About Ellen A Ronnen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ELLEN A RONNEN MD (NPI 1003828823) is an individual hematology & oncology provider in East Brunswick, New Jersey, licensed in New Jersey (25MA08099000) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Robert Wood Johnson University Hospital, and maintains a secondary practice location in East Brunswick.

NPPES Registry Identity

NPI1003828823
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameELLEN A RONNENCredential: MD
Location Address629 CRANBURY RD FL 2East Brunswick, NJ 08816-4096
Mailing Address629 Cranbury Rd Fl 2East Brunswick, NJ 08816-4096 · (732) 390-7750 · Fax (732) 390-7725
Fax(732) 390-7725
Sole ProprietorNo
Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 1999
Enumeration DateAugust 12, 2006
Last NPPES UpdateMay 20, 20232 updates tracked since enumeration
NPPES CertifiedMay 20, 2023
NPI 1003828823 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License Licensed in NJ · 25MA08099000
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
629 CRANBURY RD FL 2, East Brunswick, NJ 08816

Secondary Practice Location 1

Location 1J2 Brier Hill CourtEast Brunswick, NJ 08816 · Phone (732) 390-7750 · Fax (732) 390-7725

Other Identifiers 2

Other1790396281NJ · Titan Health Group Npi#
Medicaid0122971NJ

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Ellen A Ronnen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2466451372
PECOS Enrollment IDI20061204000073
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 32

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, ferric carboxymaltose, 1 mg J1439
Ferric carboxymaltose is an iron supplement injection. It's given when your body needs more iron than you can consume through diet, like in anemia. The injection is administered by a healthcare professional into a vein.
45,000 services48 patients
Injection, pembrolizumab, 1 mg J9271
Pembrolizumab is a medication given via injection to help your body's immune system fight certain types of cancer. It's typically administered in a hospital or clinic by a healthcare professional.
4,400 services11 patients
Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg J1569
The Gammagard Liquid injection is a type of immune globulin therapy. It's used to boost your body's immune system, helping it fight off infections. The therapy involves injecting a liquid form of proteins, collected from healthy donors, into your body. This is a 500mg dose.
2,170 services13 patients
Injection, denosumab, 1 mg J0897
Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.
1,380 services14 patients
Injection, dexamethasone sodium phosphate, 1 mg J1100
Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.
1,054 services36 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
813 services353 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Robert Wood Johnson University Hospital

Acute Care Hospitals · New Brunswick, NJ
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310038
LocationOne Robert Wood Johnson PlaceNew Brunswick, NJ 08901 · Middlesex County
Emergency services Birthing friendly

Raritan Bay Medical Center

Acute Care Hospitals · Perth Amboy, NJ
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310039
Location530 New Brunswick AvePerth Amboy, NJ 08861 · Middlesex County
Emergency services Birthing friendly

Saint Peter's University Hospital

Acute Care Hospitals · New Brunswick, NJ
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310070
Location254 Easton AveNew Brunswick, NJ 08901 · Middlesex County
Emergency services Birthing friendly

Robert Wood Johnson University Hospital At Hamilton

Acute Care Hospitals · Hamilton, NJ
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310110
LocationOne Hamilton Health PlaceHamilton, NJ 08690 · Mercer County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 08816 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$190.92 typical visit price
range $63.84 – $190.92
Typical copayment $47.73 (range $15.96 – $47.73)
Most-billed visit code 99205
Established Patient
$111.57 typical visit price
range $20.97 – $155.92
Typical copayment $27.89 (range $5.24 – $38.98)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Capecitabine, oral, 500 mg J8521
Treatment-Treatment - Miscellaneous · category RX029N
2 suppliers25 claims1,363 services$0.66 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
2 suppliers15 claims15 services$17.76 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Hematology & Oncology)
629 CRANBURY RD FL 2
EAST BRUNSWICK, NJ 08816
Social Worker (Clinical)
629 CRANBURY RD FL 2
EAST BRUNSWICK, NJ 08816
Physician Assistant
629 CRANBURY RD FL 2
EAST BRUNSWICK, NJ 08816
Internal Medicine (Hematology & Oncology)
629 CRANBURY RD FL 2
EAST BRUNSWICK, NJ 08816
Physician Assistant (Medical)
629 CRANBURY RD FL 2
EAST BRUNSWICK, NJ 08816
Nurse Practitioner (Adult Health)
629 CRANBURY RD FL 2
EAST BRUNSWICK, NJ 08816
Internal Medicine (Medical Oncology)
629 CRANBURY RD FL 2
EAST BRUNSWICK, NJ 08816
Internal Medicine (Hematology & Oncology)
629 CRANBURY RD FL 2
EAST BRUNSWICK, NJ 08816

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ellen Ronnen's NPI number?

The NPI number for Ellen Ronnen is 1003828823. It was assigned to this individual provider in the NPPES registry on August 12, 2006.

Where is Ellen Ronnen located?

Ellen Ronnen practices at 629 Cranbury Rd Fl 2, East Brunswick, NJ 08816. The listed phone number is (732) 390-7750.

What is Ellen Ronnen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Ellen Ronnen enrolled in Medicare?

Yes. Ellen Ronnen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Ellen Ronnen affiliated with any hospitals?

According to CMS data, Ellen Ronnen is affiliated with Robert Wood Johnson University Hospital, Raritan Bay Medical Center, Saint Peter's University Hospital and Robert Wood Johnson University Hospital At Hamilton.

When was this NPI record last updated?

The NPPES record for Ellen Ronnen was last updated on May 20, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.