Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Achuta Kumar Guddati, MD

Hematology & Oncology Physician in Stony Brook, NY · enumerated 2011.

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

National Provider Identifier

1457639312

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Registry record

Entity type Individual (Type 1)

Name Achuta Kumar Guddati

Credential MD

Sex Male

Practice address 100 Nicolls Rd # T15053, Stony Brook, NY, 11794

Phone (631) 444-3655

Enumeration date Jul 26, 2011

Last updated in NPPES Jul 25, 2023

Taxonomy & licenses

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 080307 (GA) Secondary

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 315533 (NY) 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 Achuta Guddati?

The National Provider Identifier (NPI) for Achuta Guddati is 1457639312, a Type 1 (individual) record in the CMS NPPES registry.

Where does Achuta Guddati practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-07-25.