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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. REN Y LIU M.D.
NPI 1154437267
Anesthesiology in Paramus, NJ

Active since August 22, 2006PECOS Enrolled
230 E RIDGEWOOD AVE, PARAMUS, NJ 07652(973) 517-2000 Get Directions Write a Review

NPPES record last updated: September 20, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Ren Y Liu M.d. NPPES

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

DR. REN Y LIU M.D. (NPI 1154437267) is an individual anesthesiology provider in Paramus, New Jersey, licensed in New Jersey (25MA08030800) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Bergen New Bridge Medical Center, and is a graduate of State University Of New York At Stony Brook, School Of Medicine (2002).

NPPES Registry Identity

NPI1154437267
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. REN Y LIUCredential: M.D.
Location Address230 E RIDGEWOOD AVEParamus, NJ 07652-4142
Mailing Address5 University PlGreat Neck, NY 11020-1438 · (973) 517-2000
Phone(973) 517-2000
Sole ProprietorYes
Medical School CMSState University Of New York At Stony Brook, School Of MedicineGraduated 2002
Enumeration DateAugust 22, 2006
Last NPPES UpdateSeptember 20, 2026
NPPES CertifiedSeptember 20, 2026
✔ NPI 1154437267 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in NJ · 25MA08030800✔ Licensed in NY · 243234
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
230 E RIDGEWOOD AVE, Paramus, NJ 07652
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ren Y Liu M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID244232361
PECOS Enrollment IDI20070202000187, I20090209000002
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

8

Medicare enrollment records show Ren Liu reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

New Jersey Healthcare Specialists PC
5.1 mi
Anesthesiology
30 PROSPECT AVENUE
Hackensack, NJ 07601
  • Reassigned Medicare billing, New Jersey enrollment
  • 781 clinicians in this Medicare group
NPI 1174585780 (954) 939-5000
Prime Healthcare Services - St. Mary's Passaic, LLC
7.8 mi
General Acute Care Hospital
350 BOULEVARD
Passaic, NJ 07055
  • Reassigned Medicare billing, New Jersey enrollment
  • 74 clinicians in this Medicare group
NPI 1730508250 (973) 365-4300
Montefiore New Rochelle Hospital
9.6 mi
General Acute Care Hospital
100 CORPORATE DR, PROVIDER INFORMATION
Yonkers, NY 10701
  • Reassigned Medicare billing, New York enrollment
  • 211 clinicians in this Medicare group
NPI 1295163244 (914) 377-4722
Montefiore Medical Center
11 mi
Anesthesiology
111 E 210TH ST
Bronx, NY 10467
  • Reassigned Medicare billing, New York enrollment
  • 5,251 clinicians in this Medicare group
NPI 1063525152 (914) 378-6021
Harlem Medical Associates PC
12 mi
General Practice
506 MALCOLM X BLVD (LENOX AVE)
New York, NY 10037
  • Reassigned Medicare billing, New York enrollment
  • 676 clinicians in this Medicare group
NPI 1487957692 (631) 675-9300
Parkway Anesthesia Associates LLC
12 mi
Anesthesiology
7600 RIVER RD
North Bergen, NJ 07047
  • Reassigned Medicare billing, New Jersey enrollment
  • 464 clinicians in this Medicare group
NPI 1518319755 (732) 212-0060
Rwjbh Observation Associates LLC
18 mi
Emergency Medicine
94 OLD SHORT HILLS RD
Livingston, NJ 07039
  • Reassigned Medicare billing, New Jersey enrollment
  • 1,913 clinicians in this Medicare group
NPI 1760095806 (888) 724-7123
Rutgers Health-Rwj Pediatric Critical Care
38 mi
Anesthesiology
125 PATERSON ST STE 5123
New Brunswick, NJ 08901
  • Reassigned Medicare billing, New Jersey enrollment
  • 492 clinicians in this Medicare group
NPI 1063420776 (732) 235-7246

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 5

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.

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
38 services36 patients
Anesthesia for x-ray or radiation therapy 01922
Anesthesia for x-ray or radiation therapy involves administering medication to help you relax or sleep during the procedure. It's used to ensure comfort, minimize movement, and reduce anxiety. The type of anesthesia used depends on the procedure and patient's health.
29 services29 patients
Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
14 services14 patients
Anesthesia for other procedure on urinary system through urethra 00910
Anesthesia for a procedure on the urinary system through the urethra involves using medicine to numb sensation in the area. This is done to ensure you feel no pain or discomfort during the procedure. The medicine can be given locally, regionally, or generally, depending on the specifics of your procedure.
12 services12 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Bergen New Bridge Medical Center

Acute Care Hospitals · Paramus, NJ
OwnershipVoluntary non-profit - Private
CMS Certification Number310058
Location230 East Ridgewood AveParamus, NJ 07652 · Bergen County
Emergency services

Jfk Medical Center

Acute Care Hospitals · Edison, NJ
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310108
Location65 James StreetEdison, NJ 08820 · Middlesex County
Emergency services Birthing friendly

Montefiore New Rochelle Hospital

Acute Care Hospitals · New Rochelle, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330184
Location16 Guion PlaceNew Rochelle, NY 10802 · Westchester County
Emergency services Birthing friendly

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.

SUKAINA RIZVI MD
Psychiatry & Neurology (Behavioral Neurology & Neuropsychiatry)
230 E RIDGEWOOD AVE
PARAMUS, NJ 07652
Bergen County (201) 967-4132
BERGEN COUNTY IMPROVEMENT AUTHORITY
Skilled Nursing Facility
230 E RIDGEWOOD AVE
PARAMUS, NJ 07652
Bergen County (201) 967-4000
DR. ERICA RAE SCHIFFMAN M.D.
Psychiatry & Neurology (Forensic Psychiatry)
230 E RIDGEWOOD AVE
PARAMUS, NJ 07652
Bergen County (201) 967-4229
VERONICA BEHMAN DO
Student in an Organized Health Care Education/Training Program
230 E RIDGEWOOD AVE
PARAMUS, NJ 07652
Bergen County (201) 967-4000
CHRISTINE VIVOLO PA
Physician Assistant (Surgical)
230 E RIDGEWOOD AVE
PARAMUS, NJ 07652
Bergen County (201) 597-4130
CRISTINA LAURA BLASONI DSW, LCSW, CH.T.
Social Worker (Clinical)
230 E RIDGEWOOD AVE
PARAMUS, NJ 07652
Bergen County (201) 967-4000
JUDAH STIEFEL DO
Student in an Organized Health Care Education/Training Program
230 E RIDGEWOOD AVE
PARAMUS, NJ 07652
Bergen County (201) 597-4130
OGECHUKWU ADINDE NP
Nurse Practitioner (Psychiatric/Mental Health)
230 E RIDGEWOOD AVE
PARAMUS, NJ 07652
Bergen County (201) 952-3520

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 Ren Liu's NPI number?

The NPI number for Ren Liu is 1154437267. It was assigned to this individual provider in the NPPES registry on August 22, 2006.

Where is Ren Liu located?

Ren Liu practices at 230 E Ridgewood Ave, Paramus, NJ 07652. The listed phone number is (973) 517-2000.

What is Ren Liu's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Ren Liu enrolled in Medicare?

Yes. Ren Liu is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ren Liu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ren Liu reassigns Medicare benefits to 8 organizations: New Jersey Healthcare Specialists PC (Hackensack, NJ), Prime Healthcare Services - St. Mary's Passaic, LLC (Passaic, NJ), Montefiore New Rochelle Hospital (Yonkers, NY), Montefiore Medical Center (Bronx, NY), Harlem Medical Associates PC (New York, NY) and 3 more organizations, listed in the Medicare section above. 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 Ren Liu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Ren Liu affiliated with any hospitals?

According to CMS data, Ren Liu is affiliated with Bergen New Bridge Medical Center, Jfk Medical Center and Montefiore New Rochelle Hospital.

When was this NPI record last updated?

The NPPES record for Ren Liu was last updated on September 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 45 days 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.