NPI Portal NPI Lookup & Verification

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

Dr. Thomas Sheldon, M.D.

Radiation Oncology Physician in Concord, NH · enumerated 2006.

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

National Provider Identifier

1912080342

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Registry record

Entity type Individual (Type 1)
Name Dr. Thomas Sheldon
Credential M.D.
Sex Male
Practice address Concord, NH, 03301
Fax (603) 230-6105
Enumeration date Oct 21, 2006
Last updated in NPPES Jun 7, 2024

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

Taxonomy & licenses

2085R0203X Therapeutic Radiology Physician Allopathic & Osteopathic Physicians · License 7290 (NH) Secondary
2085R0001X Radiation Oncology Physician Allopathic & Osteopathic Physicians · License 7290 (NH) Primary
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
02-0449797 Other NH PHCS
000000007153 Other NH MATTHEW THORNTON
02-0449797 Other NH TRICARE
02-0449797 Other NH HEALTHCARE VALUE MANAGEME
2400069 Other NH UNITED HEALTHCARE
30001695 Medicaid NH -
3025100 Other NH HMO BLUE
360002463 Other NH RR MEDICARE
5941162 Other NH AETNA
30251000 Other NH BLUE CHOICE
3041310 Medicaid MA -
77843 Other NH HEALTHY START
02-0449797 Medicaid ME -
4371 Other NH CIGNA
795767 Other NH TUFTS
0102510YONH02 Other NH ANTHEM BCBS

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 Thomas Sheldon?
The National Provider Identifier (NPI) for Thomas Sheldon is 1912080342, a Type 1 (individual) record in the CMS NPPES registry.
Where does Thomas Sheldon practice?
The practice location on file with NPPES is in Concord, NH. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-06-07.