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CHESTER LI
NPI 1891181988
Anesthesiology in Valhalla, NY

Active since April 15, 2015PECOS EnrolledAccepts Medicare Assignment
100 WOODS RD, WESTCHESTER MEDICAL CENTER, VALHALLA, NY 10595(914) 493-7000(914) 493-7927 Get Directions Write a Review

NPPES record last updated: January 26, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 26, 2021, Dec 4, 2020, Aug 11, 2016 (3 updates tracked since 2016).

About Chester Li NPPES

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

CHESTER LI (NPI 1891181988) is an individual anesthesiology provider in Valhalla, New York, licensed in New York (298127) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with Hackensack Meridian Health Pascack Valley Medical, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1891181988
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameCHESTER LI
Location Address100 WOODS RD, WESTCHESTER MEDICAL CENTERValhalla, NY 10595-1530
Mailing Address19 Bradhurst Ave Ste 3100nHawthorne, NY 10532-2140 · (914) 909-9018 · Fax (914) 909-9028
Phone(914) 493-7000
Fax(914) 493-7927
Sole ProprietorYes
Medical School CMSOtherGraduated 2015
Enumeration DateApril 15, 2015
Last NPPES UpdateJanuary 26, 20213 updates tracked since enumeration
NPPES CertifiedJanuary 26, 2021
✔ NPI 1891181988 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in NY · 298127
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.
100 WOODS RD, Valhalla, NY 10595
Open in Google Maps ↗

Secondary Practice Locations 3

Location 1396 BroadwayKingston, NY 12401-4626 · Phone (845) 331-3131 · Fax (845) 331-2530
Location 2105 Marys AveKingston, NY 12401-5829 · Phone (845) 586-2631 · Fax (845) 586-1638
Location 342084 State Highway 28Margaretville, NY 12455-2820 · Phone (845) 338-2500 · Fax (845) 331-2530

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

Chester Li 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 ID6507190485
PECOS Enrollment IDI20230714000932
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

3

Medicare enrollment records show Chester Li reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Westchester Medical Center Advanced Physician Services PC
Same address
Anesthesiology
100 WOODS RD, TAYLOR PAVILION - ROOM M229
Valhalla, NY 10595
  • Reassigned Medicare billing, New York enrollment
  • 1,663 clinicians in this Medicare group
NPI 1740687458 (914) 493-2844
Northern Valley Anesthesiology, P.A.
15 mi
Anesthesiology
350 ENGLE ST
Englewood, NJ 07631
  • Reassigned Medicare billing, New Jersey enrollment
  • Medicare enrollment name: Northern Valley Anesthesiology PA
  • 138 clinicians in this Medicare group
NPI 1245289487 (201) 871-6073
New Jersey Healthcare Specialists PC
19 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

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

Hospital Affiliations CMS Care Compare

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

Hackensack Meridian Health Pascack Valley Medical

Acute Care Hospitals · Westwood, NJ
4/5 CMS rating
OwnershipProprietary
CMS Certification Number310130
Location250 Old Hook RoadWestwood, NJ 07675 · Bergen 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.

MRS. LISA ANN SAUER N.P.
Nurse Practitioner (Neonatal, Critical Care)
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-7000
KAREN FRANCOIS MD
Anesthesiology
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-7000
KIMBERLY WILSON R.D.
Dietitian, Registered
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-7664
RADHIKA VOLETI M.D
Internal Medicine
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-7000
FAREENA NAWAZ MD
Internal Medicine
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-7000
AUSTIN B CARPENTER
Student in an Organized Health Care Education/Training Program
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-8795
AMRO AGLAN MD
Student in an Organized Health Care Education/Training Program
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-7000
HAO WANG MD, PHD
Student in an Organized Health Care Education/Training Program
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-6613

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 Chester Li's NPI number?

The NPI number for Chester Li is 1891181988. It was assigned to this individual provider in the NPPES registry on April 15, 2015.

Where is Chester Li located?

Chester Li practices at 100 Woods Rd Westchester Medical Center, Valhalla, NY 10595. The listed phone number is (914) 493-7000.

What is Chester Li's specialty?

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

Is Chester Li enrolled in Medicare?

Yes. Chester Li 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 Chester Li's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chester Li reassigns Medicare benefits to 3 organizations: Westchester Medical Center Advanced Physician Services PC (Valhalla, NY), Northern Valley Anesthesiology, P.A. (Englewood, NJ) and New Jersey Healthcare Specialists PC (Hackensack, 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 Chester Li's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Chester Li affiliated with any hospitals?

According to CMS data, Chester Li is affiliated with Hackensack Meridian Health Pascack Valley Medical.

When was this NPI record last updated?

The NPPES record for Chester Li was last updated on January 26, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.