LOUISE G LIGRESTI M.D.
NPI 1215960232
Internal Medicine - Hematology & Oncology in Paramus, NJ

Q: What is Louise Ligresti's NPI number?

The NPI number for Louise Ligresti is 1215960232. It was assigned to this individual provider in the NPPES registry on July 10, 2006.

Q: What is Louise Ligresti's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Louise Ligresti was last updated on April 1, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.

Active since July 10, 2006PECOS EnrolledAccepts Medicare Assignment

1 VALLEY HEALTH PLZ, PARAMUS, NJ 07652(201) 634-5353(201) 634-5343 Get Directions Write a Review

NPPES record last updated: April 1, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Louise G Ligresti M.d. NPPES

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

LOUISE G LIGRESTI M.D. (NPI 1215960232) is an individual hematology & oncology provider in Paramus, New Jersey, licensed in New Jersey (25MA06569700) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Robert Wood Johnson University Hospital, and is a graduate of State University Of Ny Upstate Medical University (1991).

NPPES Registry Identity

NPI1215960232

Entity TypeIndividualFemale

Primary Taxonomy207RH0003X

Provider Legal NameLOUISE G LIGRESTICredential: M.D.

Location Address1 VALLEY HEALTH PLZParamus, NJ 07652-3628

Mailing Address1 Valley Health PlzParamus, NJ 07652-3628 · (201) 634-5353 · Fax (201) 634-5343

Phone(201) 634-5353

Fax(201) 634-5343

Sole ProprietorNo

Medical School CMSState University Of Ny Upstate Medical UniversityGraduated 1991

Enumeration DateJuly 10, 2006

Last NPPES UpdateApril 1, 2016

✔ NPI 1215960232 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 · 25MA06569700

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.

1 VALLEY HEALTH PLZ, Paramus, NJ 07652

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Other Identifiers 4

Other830004825NJ · Railroad Medicare

Medicare UPING52547

Medicare ID-Type Unspecified951552AVF

Medicaid7294701NJ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Louise G Ligresti M.d. 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 ID5395789408

PECOS Enrollment IDI20050620000011

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.

Medicare Billing Reassignments

Medicare enrollment records show Louise Ligresti reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Msk Bergen

6.5 mi

Medical Oncology

225 SUMMIT AVE
Montvale, NJ 07645

Reassigned Medicare billing, New Jersey enrollment
401 clinicians in this Medicare group

NPI 1558814657 (908) 542-3336

Barnabas Health Medical Group PC

22 mi

Specialist

225 WILLIAMSON ST
Elizabeth, NJ 07202

Reassigned Medicare billing, New Jersey enrollment
1,894 clinicians in this Medicare group

NPI 1841557246 (888) 724-7123

Memorial Sloan Kettering Cancer Center At Basking Ridge New Jersey

35 mi

Medical Oncology

136 MOUNTAIN VIEW BLVD
Basking Ridge, NJ 07920

Reassigned Medicare billing, New Jersey enrollment
385 clinicians in this Medicare group

NPI 1184637886 (908) 542-3000

Rutgers Health-Rwj Scleroderma Program

36 mi

Psychiatry

675 HOES LN W
Piscataway, NJ 08854

Reassigned Medicare billing, New Jersey enrollment
641 clinicians in this Medicare group

NPI 1316222664 (732) 235-4402

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

455 services250 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

153 services139 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

23 services23 patients

Hospital Affiliations CMS Care Compare 2

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

Cooperman Barnabas Medical Center

Acute Care Hospitals · Livingston, NJ

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310076

Location94 Old Short Hills RoadLivingston, NJ 07039 · Essex County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07652 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.

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.

DR. FANI JACQUELINE THOMSON D.O.

Physical Medicine & Rehabilitation (Pain Medicine)

1 VALLEY HEALTH PLZ
PARAMUS, NJ 07652

Bergen County (201) 634-5555

VALLEY INSTITUTE FOR PAIN, LLC

Anesthesiology (Pain Medicine)

1 VALLEY HEALTH PLZ, 3RD FLOOR
PARAMUS, NJ 07652

Bergen County (201) 634-5555

DR. SHENGYANG WU MD

Radiology (Radiation Oncology)

1 VALLEY HEALTH PLZ
PARAMUS, NJ 07652

Bergen County (201) 634-5417

BERGEN SURGICAL ONCOLOGY, PA

Surgery (Surgical Oncology)

1 VALLEY HEALTH PLZ
PARAMUS, NJ 07652

Bergen County (201) 634-5438

MRS. STACEY DURAN SHETTY MSN, RN-BC, NP-C

Nurse Practitioner (Family)

1 VALLEY HEALTH PLZ
PARAMUS, NJ 07652

Bergen County (201) 634-5313

MRS. SONG Y CHUNG RPH

Pharmacist

1 VALLEY HEALTH PLZ
PARAMUS, NJ 07652

Bergen County (201) 634-5799

MS. MAUREEN G. FLANNERY MSW, LSW

Social Worker (Clinical)

1 VALLEY HEALTH PLZ
PARAMUS, NJ 07652

Bergen County (201) 634-5787

MR. LOUIS A SPINELLI R.P.

Pharmacist

1 VALLEY HEALTH PLZ
PARAMUS, NJ 07652

Bergen County (201) 634-5799

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 Louise Ligresti's NPI number?

The NPI number for Louise Ligresti is 1215960232. It was assigned to this individual provider in the NPPES registry on July 10, 2006.

Where is Louise Ligresti located?

Louise Ligresti practices at 1 Valley Health Plz, Paramus, NJ 07652. The listed phone number is (201) 634-5353.

What is Louise Ligresti's specialty?

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

Is Louise Ligresti enrolled in Medicare?

Yes. Louise Ligresti 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.

Which organizations bill Medicare for Louise Ligresti's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Louise Ligresti reassigns Medicare benefits to 4 organizations: Msk Bergen (Montvale, NJ), Barnabas Health Medical Group PC (Elizabeth, NJ), Memorial Sloan Kettering Cancer Center At Basking Ridge New Jersey (Basking Ridge, NJ) and Rutgers Health-Rwj Scleroderma Program (Piscataway, NJ). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Louise Ligresti's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Louise Ligresti accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Louise Ligresti as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Louise Ligresti affiliated with any hospitals?

According to CMS data, Louise Ligresti is affiliated with Robert Wood Johnson University Hospital and Cooperman Barnabas Medical Center.

When was this NPI record last updated?

The NPPES record for Louise Ligresti was last updated on April 1, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.