NPI Portal NPI Lookup & Verification

John E Asirwatham, MD

John E Asirwatham is a Anatomic Pathology & Clinical Pathology Physician provider (Pathology) practicing in Buffalo, NY, registered in the NPPES registry with NPI 1417913708 since 2006. The credential MD stands for Doctor of Medicine.

✓ Active NPI ✓ Valid NPI checksum

NPI 1417913708
Entity type Individual (Type 1)
Name John E Asirwatham
Credential MD
Sex Male
Practice address 2157 MAIN ST, Buffalo, NY, 14214
Phone 7168621000
Enumeration date 2006-04-25
Last updated in NPPES 2021-01-09

Taxonomy & licenses

Taxonomy code Specialty Primary License State
207ZP0102X Anatomic Pathology & Clinical Pathology Physician Primary 137762 NY

MD — Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Copy-ready billing details
Provider: John Asirwatham, MD
NPI: 1417913708
Taxonomy: 207ZP0102X (Anatomic Pathology & Clinical Pathology Physician)
Address: 2157 MAIN ST, Buffalo, NY, 14214

Other providers at this practice address

NPI Name Type Specialty Location
1598751547 St Catherine Laboure Medical Adult Day Healthcare Program Organization Adult Day Care Clinic/Center Buffalo, NY
1629057948 Jong-Chaur Shieh Individual Physical Medicine & Rehabilitation Physician Buffalo, NY
1457322034 Janet Newall Individual Advanced Practice Midwife Buffalo, NY
1730150384 Barbara Stefanick Individual Anatomic Pathology Physician Buffalo, NY
1366413734 Charles Tirone Individual Diagnostic Radiology Physician Buffalo, NY
1568439222 Catalina Ionita Individual Neurology Physician Buffalo, NY
1487622148 Judine Coggins Individual Obstetrics Physician Buffalo, NY
1184692816 Chad Strittmatter Individual Obstetrics & Gynecology Physician Buffalo, NY

Verify this record

Cross-check NPI 1417913708 against the authoritative CMS record: view John E Asirwatham on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

What is the NPI number for John Asirwatham?
The National Provider Identifier (NPI) for John Asirwatham is 1417913708, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Asirwatham practice?
The practice location on file with NPPES is in Buffalo, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2021-01-09.