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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Algis Petras Sidrys, M.D.

Radiation Oncology Physician in Cookeville, TN · enumerated 2006.

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

National Provider Identifier

1104873090

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Registry record

Entity type Individual (Type 1)
Name Algis Petras Sidrys
Credential M.D.
Sex Male
Practice address Cookeville, TN, 38501
Phone (931) 783-2497
Fax (931) 783-5757
Enumeration date May 27, 2006
Last updated in NPPES Jul 23, 2024

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

2085R0001X Radiation Oncology Physician Allopathic & Osteopathic Physicians · License 28008 (TN) Primary
207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 28008 (TN) Secondary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
3806863 Medicaid TN -
3806864 Medicaid TN -

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

What is the NPI number for Algis Sidrys?
The National Provider Identifier (NPI) for Algis Sidrys is 1104873090, a Type 1 (individual) record in the CMS NPPES registry.
Where does Algis Sidrys practice?
The practice location on file with NPPES is in Cookeville, TN. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-07-23.