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

DR. WALFREDO J. LEON M.D.
NPI 1881689313
Internal Medicine - Critical Care Medicine in Brooklyn, NY

Active since September 12, 2005PECOS Enrolled
450 CLARKSON AVE, SUITE A, BROOKLYN, NY 11203(718) 270-1821(718) 270-1733 Get Directions Write a Review

NPPES record last updated: October 9, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 9, 2019, Feb 5, 2019, Mar 15, 2016 (3 updates tracked since 2016).

About Dr. Walfredo J. Leon M.d. NPPES

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

DR. WALFREDO J. LEON M.D. (NPI 1881689313) is an individual critical care medicine provider in Brooklyn, New York, licensed in Indiana (01076586A) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1881689313
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameDR. WALFREDO J. LEONCredential: M.D.
Location Address450 CLARKSON AVE, SUITE ABrooklyn, NY 11203-2056
Mailing Address2600 Greenbush St, Rcs Provider EnrollmentLafayette, IN 47904-2477 · (765) 448-8000 · Fax (765) 448-8085
Phone(718) 270-1821
Fax(718) 270-1733
Sole ProprietorNo
Enumeration DateSeptember 12, 2005
Last NPPES UpdateOctober 9, 20193 updates tracked since enumeration
✔ NPI 1881689313 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
Licenses✔ Licensed in IN · 01076586A✔ Licensed in MI · 4301108970✔ Licensed in GA · 81216
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedInternal MedicineTaxonomy 207R00000X · License 4301108970 (MI)
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License 140366-1 (NY)
450 CLARKSON AVE, Brooklyn, NY 11203
Open in Google Maps ↗

Other Identifiers 1

Medicaid00764705NY

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include First Choice Next, Priority Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Walfredo J. Leon M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

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
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
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.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Nebulizer, with compressor E0570
DME-Other DME · category DE000N
1 supplier19 claims19 services$4.27 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers24 claims24 services$81.42 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
2 suppliers20 claims20 services$29.80 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

SUNY DOWNSTATE MEDICAL CENTER UHB
Obstetrics & Gynecology
450 CLARKSON AVE
BROOKLYN, NY 11203
Kings County (718) 363-2908
UNIVERSITY PHYSICIANS OF BROOKLYN
Internal Medicine (Gastroenterology)
450 CLARKSON AVE, SUITE A
BROOKLYN, NY 11203
Kings County (718) 270-1112
SNEHALATA R TOPGI MD
Emergency Medicine
450 CLARKSON AVE
BROOKLYN, NY 11203
Kings County (718) 270-3295
DR. MARYAM NOORI KOLOORI M.D.
Student in an Organized Health Care Education/Training Program
450 CLARKSON AVE, SUNY DOWNSTATE MEDICAL CENTER
BROOKLYN, NY 11203
Kings County (412) 737-3789
DR. VIVEK YADAV MD
Internal Medicine (Pulmonary Disease)
450 CLARKSON AVE
BROOKLYN, NY 11203
Kings County (718) 270-3302
DR. DANIEL BEEGAN MD
Family Medicine
450 CLARKSON AVE, MSC 67
BROOKLYN, NY 11203
Kings County (718) 270-4096
ELIEZER LEVITANSKY DO
Emergency Medicine
450 CLARKSON AVE
BROOKLYN, NY 11203
Kings County (245) 331-8718
MIGUEL ANGEL BARRIOS MD
Emergency Medicine
450 CLARKSON AVE
BROOKLYN, NY 11203
Kings County (718) 245-4798

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 Walfredo Leon's NPI number?

The NPI number for Walfredo Leon is 1881689313. It was assigned to this individual provider in the NPPES registry on September 12, 2005.

Where is Walfredo Leon located?

Walfredo Leon practices at 450 Clarkson Ave Suite A, Brooklyn, NY 11203. The listed phone number is (718) 270-1821.

What is Walfredo Leon's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Walfredo Leon enrolled in Medicare?

Yes. Walfredo Leon is registered in the Medicare PECOS enrollment system.

What insurance does Walfredo Leon accept?

Health plans from First Choice Next and Priority Health list Walfredo Leon 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.

When was this NPI record last updated?

The NPPES record for Walfredo Leon was last updated on October 9, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.