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DR. GLENN TAYLOR LEONARD JR. M.D.
NPI 1194766659
Pediatrics - Pediatric Cardiology in Buffalo, NY

Active since June 08, 2006PECOS EnrolledAccepts Medicare Assignment
936 DELAWARE AVE, SUITE 100, BUFFALO, NY 14209(716) 885-5437 Get Directions Write a Review

NPPES record last updated: July 5, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Glenn Taylor Leonard Jr. M.d. NPPES

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

DR. GLENN TAYLOR LEONARD JR. M.D. (NPI 1194766659) is an individual pediatric cardiology provider in Buffalo, New York, licensed in New York (240624-1) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1997).

NPPES Registry Identity

NPI1194766659
Entity TypeIndividualMale
Primary Taxonomy2080P0202X
Provider Legal NameDR. GLENN TAYLOR LEONARD JR.Credential: M.D.
Location Address936 DELAWARE AVE, SUITE 100Buffalo, NY 14209-1804
Mailing Address6313 Everwood Ct SEast Amherst, NY 14051-2031 · (716) 713-8057
Phone(716) 885-5437
Sole ProprietorNo
Medical School CMSOtherGraduated 1997
Enumeration DateJune 8, 2006
Last NPPES UpdateJuly 5, 2023
✔ NPI 1194766659 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0202X
Licenses✔ Licensed in NY · 240624-1✔ Licensed in NC · 200400902✔ Licensed in FL · ME80507✔ Licensed in NY · 240624
Definition
A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.
936 DELAWARE AVE, Buffalo, NY 14209
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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 and accepts Medicare assignment

Dr. Glenn Taylor Leonard Jr. 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 ID5991764441
PECOS Enrollment IDI20071121000338
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 Glenn Leonard reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatric Cardiology Associates Of Wny, LLC
Same address
Pediatric Cardiology
936 DELAWARE AVE, SUITE 100
Buffalo, NY 14209
  • Reassigned Medicare billing, New York enrollment
  • 3 clinicians in this Medicare group
NPI 1518023613 (716) 389-3268
University At Buffalo Pediatric Associates Inc
0.6 mi
Pediatrics
1001 MAIN ST FL 4
Buffalo, NY 14203
  • Reassigned Medicare billing, New York enrollment
  • 217 clinicians in this Medicare group
NPI 1912928599 (716) 323-0225
Kaleida Health
0.6 mi
General Acute Care Hospital
818 ELLICOTT ST
Buffalo, NY 14203
  • Reassigned Medicare billing, New York enrollment
  • 676 clinicians in this Medicare group
NPI 1245365196 (716) 323-2000
Sisters Of Charity Hospital Of Buffalo, New York
1.7 mi
Obstetrics & Gynecology
2157 MAIN ST
Buffalo, NY 14214
  • Reassigned Medicare billing, New York enrollment
  • 515 clinicians in this Medicare group
NPI 1659396380 (716) 862-1000
Mercy Hospital Of Buffalo
5.2 mi
Rehabilitation Unit
565 ABBOTT RD
Buffalo, NY 14220
  • Reassigned Medicare billing, New York enrollment
  • 499 clinicians in this Medicare group
NPI 1659310605 (716) 826-7000
Mount St. Mary's Hospital Of Niagara Falls
19 mi
General Acute Care Hospital
5300 MILITARY RD
Lewiston, NY 14092
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Mount St. Marys Hospital Of Niagara Falls
  • 289 clinicians in this Medicare group
NPI 1043394745 (716) 298-2081
Pediatric Cardiology
65 mi
Adolescent Medicine
601 ELMWOOD AVE, BOX 635
Rochester, NY 14642
  • Reassigned Medicare billing, New York enrollment
  • 25 clinicians in this Medicare group
NPI 1316986391 (585) 275-7787
Pediatric Cardiology Associates, LLC
139 mi
Pediatric Cardiology
725 IRVING AVE, SUITE 804
Syracuse, NY 13210
  • Reassigned Medicare billing, New York enrollment
  • 7 clinicians in this Medicare group
NPI 1932258985 (315) 214-7700

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.

Ultrasound of heart for congenital defect 93303
An ultrasound of the heart, also known as an echocardiogram, is a test that uses sound waves to create pictures of your heart. This test can help doctors identify any congenital heart defects, which are heart conditions present at birth. It's a safe, non-invasive procedure.
13 services13 patients
Ultrasound of heart blood flow, valves and chambers 93320
An ultrasound of your heart, also known as an echocardiogram, is a test that uses sound waves to create detailed images of your heart. It helps doctors check the health of your heart's chambers, valves, and blood flow.
13 services13 patients
Ultrasound of heart with color-depicted blood flow, rate and valve function 93325
An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.
13 services13 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
13 services13 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
12 services12 patients

Other Providers at the Same Location NPPES 7

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

PEDIATRIC CARDIOLOGY ASSOCIATES OF WNY, LLC
Pediatrics (Pediatric Cardiology)
936 DELAWARE AVE, SUITE 100
BUFFALO, NY 14209
Erie County (716) 389-3268
VIJAYAN A MENON M.D.
Pediatrics (Pediatric Cardiology)
936 DELAWARE AVE, SUITE 100
BUFFALO, NY 14209
Erie County (716) 885-5437
CHRISTINA KELLY DPT
Physical Therapist
936 DELAWARE AVE
BUFFALO, NY 14209
Erie County (716) 332-4838
JOSEPH DANIEL ORIE M.D.
Pediatrics (Pediatric Cardiology)
936 DELAWARE AVE, SUITE 100
BUFFALO, NY 14209
Erie County (716) 885-5437
DR. TIMOTHY PETER MAHONEY D.D.S.
Dentist
936 DELAWARE AVE, SUITE 405
BUFFALO, NY 14209
Erie County (716) 884-7551
DR. MEGAN BARNHART MCGREEVY MD
Pediatrics (Pediatric Cardiology)
936 DELAWARE AVE
BUFFALO, NY 14209
Erie County (716) 885-5437
MRS. MARGARET ELLEN CROTTY KELLY RN, PNP
Nurse Practitioner (Pediatrics)
936 DELAWARE AVE
BUFFALO, NY 14209
Erie County (716) 888-1311

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 Glenn Leonard's NPI number?

The NPI number for Glenn Leonard is 1194766659. It was assigned to this individual provider in the NPPES registry on June 8, 2006.

Where is Glenn Leonard located?

Glenn Leonard practices at 936 Delaware Ave Suite 100, Buffalo, NY 14209. The listed phone number is (716) 885-5437.

What is Glenn Leonard's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Is Glenn Leonard enrolled in Medicare?

Yes. Glenn Leonard 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 Glenn Leonard's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Glenn Leonard reassigns Medicare benefits to 8 organizations: Pediatric Cardiology Associates Of Wny, LLC (Buffalo, NY), University At Buffalo Pediatric Associates Inc (Buffalo, NY), Kaleida Health (Buffalo, NY), Sisters Of Charity Hospital Of Buffalo, New York (Buffalo, NY), Mercy Hospital Of Buffalo (Buffalo, 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 Glenn Leonard's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Glenn Leonard was last updated on July 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.