Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John L Peterson, MD

Hematology & Oncology Physician in Hickory, NC · enumerated 2005 · practices at Carolina Oncology Specialists, PA.

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

National Provider Identifier

1417957234

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Registry record

Entity type Individual (Type 1)

Name John L Peterson

Credential MD

Sex Male

Practice address 2406 Century Place, Hickory, NC, 28603

Phone (828) 324-9550

Fax (828) 324-4154

Enumeration date Jul 22, 2005

Last updated in NPPES Jan 28, 2026

Taxonomy & licenses

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 15487 (NH) Secondary

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 042-0012323 (VT) Secondary

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 38166 (NC) 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
32001131	Medicaid	NH	-
1019968	Medicaid	VT	-
8967241	Medicaid	NC	-

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 John Peterson?

The National Provider Identifier (NPI) for John Peterson is 1417957234, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Peterson practice?

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

Other providers at this practice address

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Carolina Oncology Specialists, PA Medical Specialty Clinic/Center · Hickory, NC NPI 1922455518

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-01-28.