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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

GEORGE ARTHUR PORTER JR. MD
NPI 1659354884
Pediatrics - Pediatric Cardiology in Buffalo, NY

Active since November 22, 2005PECOS Enrolled
818 ELLICOTT ST, BUFFALO, NY 14203(716) 323-2000(716) 323-0293 Get Directions Write a Review

NPPES record last updated: September 15, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 15, 2026, Jul 6, 2023 (2 updates tracked since 2023).

About George Arthur Porter Jr. Md NPPES

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

GEORGE ARTHUR PORTER JR. MD (NPI 1659354884) is an individual pediatric cardiology provider in Buffalo, New York, licensed in New York (251236) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and maintains a secondary practice location in Buffalo.

NPPES Registry Identity

NPI1659354884
Entity TypeIndividualMale
Primary Taxonomy2080P0202X
Provider Legal NameGEORGE ARTHUR PORTER JR.Credential: MD
Location Address818 ELLICOTT STBuffalo, NY 14203-1021
Mailing Address1001 Main St Fl 5Buffalo, NY 14203-1009 · (716) 323-0225 · Fax (716) 323-0293
Phone(716) 323-2000
Fax(716) 323-0293
Sole ProprietorNo
Enumeration DateNovember 22, 2005
Last NPPES UpdateSeptember 15, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 15, 2026
✔ NPI 1659354884 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0202X
License✔ Licensed in NY · 251236
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.
818 ELLICOTT ST, Buffalo, NY 14203
Open in Google Maps ↗

Secondary Practice Location 1

Location 12157 Main StBuffalo, NY 14214-2648 · Phone (716) 862-1000 · Fax (716) 323-0293

Other Identifiers 1

Medicaid001371939CT

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

George Arthur Porter Jr. Md 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.

Medicare Billing Reassignments

2

Medicare enrollment records show George Porter reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University At Buffalo Pediatric Associates Inc
0.1 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
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

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

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.

KUNAL CHADHA MD
Pediatrics
818 ELLICOTT ST
BUFFALO, NY 14203
Erie County (716) 323-0220
DR. N JA HPA M.D.
Pediatrics (Neonatal-Perinatal Medicine)
818 ELLICOTT ST
BUFFALO, NY 14203
Erie County (716) 323-0260
DR. JESSICA ALIOTTA DONHAUSER M.D.
Hospitalist
818 ELLICOTT ST
BUFFALO, NY 14203
Erie County (716) 323-2000
ROBERT ROSS WELLIVER MD
Student in an Organized Health Care Education/Training Program
818 ELLICOTT ST
BUFFALO, NY 14203
Erie County (716) 323-2000
BRIAN EVANS
Nurse Anesthetist, Certified Registered
818 ELLICOTT ST
BUFFALO, NY 14203
Erie County (716) 323-6570
KAITLYN HYERS
Speech-Language Pathologist
818 ELLICOTT ST
BUFFALO, NY 14203
Erie County (716) 323-2000
ALANA KOEHLER
Pediatrics
818 ELLICOTT ST
BUFFALO, NY 14203
Erie County (716) 323-2000
SUSAN J WITTMAN M.D.
Anesthesiology (Pediatric Anesthesiology)
818 ELLICOTT ST
BUFFALO, NY 14203
Erie County (443) 895-1038

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 George Porter's NPI number?

The NPI number for George Porter is 1659354884. It was assigned to this individual provider in the NPPES registry on November 22, 2005.

Where is George Porter located?

George Porter practices at 818 Ellicott St, Buffalo, NY 14203. The listed phone number is (716) 323-2000.

What is George Porter's specialty?

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

Is George Porter enrolled in Medicare?

Yes. George Porter is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for George Porter's services?

According to the CMS Revalidation Reassignment List (October 2026 release), George Porter reassigns Medicare benefits to 2 organizations: University At Buffalo Pediatric Associates Inc (Buffalo, NY) and Pediatric Cardiology (Rochester, NY). 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 George Porter'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 George Porter was last updated on September 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 days 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.