NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Ali Shirzadi, M.D.

Neurological Surgery Physician in Brentwood, TN · enumerated 2012 · practices at Neurospine Institute.

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

National Provider Identifier

1720358971

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Registry record

Entity type Individual (Type 1)
Name Dr. Ali Shirzadi
Credential M.D.
Sex Male
Practice address 1624 Westgate Cir Ste 125, Brentwood, TN, 37027
Phone (615) 807-0925
Enumeration date Jan 5, 2012
Last updated in NPPES Feb 1, 2026

Taxonomy & licenses

207T00000X Neurological Surgery Physician Allopathic & Osteopathic Physicians · License A100574 (CA) Secondary
207T00000X Neurological Surgery Physician Allopathic & Osteopathic Physicians · License 62347 (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.

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Frequently asked questions

Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Ali Shirzadi?
Ali Shirzadi is registered in NPPES with the primary taxonomy of Neurological Surgery Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-02-01.