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WILLIAM ANTHONY LOIS M.D
NPI 1356453856
Surgery - Vascular Surgery in Brooklyn, NY

Active since August 31, 2006PECOS EnrolledAccepts Medicare Assignment
5723 AVENUE N, BROOKLYN, NY 11234(718) 251-1111(718) 251-2296 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Sep 11, 2025, Jan 4, 2019 (2 updates tracked since 2019).

About William Anthony Lois M.d NPPES

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

WILLIAM ANTHONY LOIS M.D (NPI 1356453856) is an individual vascular surgery provider in Brooklyn, New York, licensed in New York (168499) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Bronxcare Hospital Center, and is a graduate of Other (1982).

NPPES Registry Identity

NPI1356453856
Entity TypeIndividualMale
Primary Taxonomy2086S0129X
Provider Legal NameWILLIAM ANTHONY LOISCredential: M.D
Location Address5723 AVENUE NBrooklyn, NY 11234-4026
Mailing Address5723 Avenue NBrooklyn, NY 11234-4026 · (718) 251-1111 · Fax (718) 251-2496
Phone(718) 251-1111
Fax(718) 251-2296
Sole ProprietorNo
Medical School CMSOtherGraduated 1982
Enumeration DateAugust 31, 2006
Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration
✔ NPI 1356453856 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0129X
License✔ Licensed in NY · 168499
Definition

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

5723 AVENUE N, Brooklyn, NY 11234
Open in Google Maps ↗

Other Identifiers 1

Medicaid01021250NY

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

William Anthony Lois 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 ID3971635491
PECOS Enrollment IDI20110113001036
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.

Hospital Affiliations CMS Care Compare

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

Bronxcare Hospital Center

Acute Care Hospitals · Bronx, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330009
Location1276 Fulton AvenueBronx, NY 10456 · Bronx County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11234 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
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
Most-billed visit code 99213
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 4

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

ELAINE PYTLUK LCSW
Social Worker (Clinical)
5723 AVENUE N
BROOKLYN, NY 11234
Kings County (201) 569-2555
BINA COMES MD
Pediatrics
5723 AVENUE N
BROOKLYN, NY 11234
Kings County (718) 531-4600
DR. EDWARD WILLIAM COVEY MD
Student in an Organized Health Care Education/Training Program
5723 AVENUE N
BROOKLYN, NY 11234
Kings County (718) 531-4600
LAURA PRENDERGAST DO
Pediatrics
5723 AVENUE N
BROOKLYN, NY 11234
Kings County (718) 531-4600

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 William Lois's NPI number?

The NPI number for William Lois is 1356453856. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Where is William Lois located?

William Lois practices at 5723 Avenue N, Brooklyn, NY 11234. The listed phone number is (718) 251-1111.

What is William Lois's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Is William Lois enrolled in Medicare?

Yes. William Lois 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 William Lois affiliated with any hospitals?

According to CMS data, William Lois is affiliated with Bronxcare Hospital Center.

When was this NPI record last updated?

The NPPES record for William Lois was last updated on September 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.