1. Home
  2. Directory
  3. New York
  4. Brooklyn
  5. Emergency Medicine
  6. NPI Profile

DR. JAMES MARTIN WILLIS MD
NPI 1063647022
Emergency Medicine in Brooklyn, NY

Active since May 20, 2009PECOS EnrolledAccepts Medicare Assignment
93.49/100
CMS Quality Rating
451 CLARKSON AVE, BROOKLYN, NY 11203(718) 245-3318 Get Directions Write a Review

NPPES record last updated: June 5, 2013. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. James Martin Willis Md NPPES

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

DR. JAMES MARTIN WILLIS MD (NPI 1063647022) is an individual emergency medicine provider in Brooklyn, New York, licensed in New York (263862) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai South Nassau, and is a graduate of Other (2006).

NPPES Registry Identity

NPI1063647022
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. JAMES MARTIN WILLISCredential: MD
Location Address451 CLARKSON AVEBrooklyn, NY 11203-2054
Mailing Address19 The LochRockville Centre, NY 11570-4522
Phone(718) 245-3318
Sole ProprietorYes
Medical School CMSOtherGraduated 2006
Enumeration DateMay 20, 2009
Last NPPES UpdateJune 5, 2013
✔ NPI 1063647022 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in NY · 263862
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
451 CLARKSON AVE, Brooklyn, NY 11203
Open in Google Maps ↗

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

Dr. James Martin Willis 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 ID9032352547
PECOS Enrollment IDI20131126000322
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 2

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

Mount Sinai South Nassau

Acute Care Hospitals · Oceanside, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330198
LocationOne Healthy WayOceanside, NY 11572 · Nassau County
Emergency services Birthing friendly

Kings County Hospital Center

Acute Care Hospitals · Brooklyn, NY
1/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number330202
Location451 Clarkson AvenueBrooklyn, NY 11203 · Kings County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11203 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
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
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.

93.49/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality72.62
Promoting Interoperability90.58
Improvement Activities40

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.

GEORGETTE JONES LCSW
Social Worker (Clinical)
451 CLARKSON AVE
BROOKLYN, NY 11203
Kings County (718) 245-3131
DR. NINAD DESAI MD
Pediatrics (Pediatric Hematology-Oncology)
451 CLARKSON AVE, KINGS COUNTY HOSPITAL CENTER; B 6202
BROOKLYN, NY 11203
Kings County (718) 245-4105
MS. BARBARA ANGELA HENDERSON RRT
General Acute Care Hospital
451 CLARKSON AVE
BROOKLYN, NY 11203
Kings County (718) 245-4526
VIKTORIYA TKACHENKO M.D.
Internal Medicine
451 CLARKSON AVE, BOX 22
BROOKLYN, NY 11203
Kings County (718) 245-2237
LANCE WINSLOW PSYD
Psychologist
451 CLARKSON AVE
BROOKLYN, NY 11203
Kings County (718) 245-1162
LYDIE KOHLER MCKENZIE MD
Emergency Medicine
451 CLARKSON AVE
BROOKLYN, NY 11203
Kings County (718) 245-4616
LEELA VENKAT MD
Anesthesiology
451 CLARKSON AVE
BROOKLYN, NY 11203
Kings County (718) 245-4408
KINGS COUNTY HOSPITAL
General Acute Care Hospital
451 CLARKSON AVE
BROOKLYN, NY 11203
Kings County (718) 245-2891

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 James Willis's NPI number?

The NPI number for James Willis is 1063647022. It was assigned to this individual provider in the NPPES registry on May 20, 2009.

Where is James Willis located?

James Willis practices at 451 Clarkson Ave, Brooklyn, NY 11203. The listed phone number is (718) 245-3318.

What is James Willis's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is James Willis enrolled in Medicare?

Yes. James Willis 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 James Willis affiliated with any hospitals?

According to CMS data, James Willis is affiliated with Mount Sinai South Nassau and Kings County Hospital Center.

When was this NPI record last updated?

The NPPES record for James Willis was last updated on June 5, 2013. NPI Profile syncs with the weekly NPPES data releases published by CMS.