Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Michael S. Blaiss, M.D.

Allergy & Immunology Physician in Roswell, GA · enumerated 2006.

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

National Provider Identifier

1891720108

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Registry record

Entity type Individual (Type 1)

Name Michael S. Blaiss

Credential M.D.

Sex Male

Practice address 1090 Windfaire Pl, Roswell, GA, 30076

Phone (901) 674-6075

Enumeration date Jul 12, 2006

Last updated in NPPES Jan 22, 2019

Taxonomy & licenses

207K00000X Allergy & Immunology Physician Allopathic & Osteopathic Physicians · License MD00010264 (TN) Primary

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

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

What is the NPI number for Michael Blaiss?

The National Provider Identifier (NPI) for Michael Blaiss is 1891720108, a Type 1 (individual) record in the CMS NPPES registry.

Where does Michael Blaiss practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-01-22.