Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Roger M Cass, MD PC FACP FAAA FACR

Q: What is the NPI number for Roger Cass?

The National Provider Identifier (NPI) for Roger Cass is 1326133513, a Type 1 (individual) record in the CMS NPPES registry.

Allergy & Immunology Physician in Rochester, NY · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1326133513

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Registry record

Entity type Individual (Type 1)

Name Dr. Roger M Cass

Credential MD PC FACP FAAA FACR

Sex Male

Practice address 1351 Mt Hope Ave, Ste 222, Rochester, NY, 14620

Phone (585) 473-6785

Fax (585) 473-6802

Enumeration date Oct 4, 2006

Last updated in NPPES Sep 11, 2025

Taxonomy & licenses

207K00000X Allergy & Immunology Physician Allopathic & Osteopathic Physicians · License ABIM542 (NY) Primary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 086812 (NY) Secondary

207RR0500X Rheumatology Physician Allopathic & Osteopathic Physicians · License CER26234 (NY) Secondary

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 → Validate an NPI →

Frequently asked questions

Where does Roger Cass practice?

The practice location on file with NPPES is in Rochester, NY. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Roger Cass?

The National Provider Identifier (NPI) for Roger Cass is 1326133513, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.