Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Sidney A Johnson Jr., MD

Radiation Oncology Physician in Jackson, MS · enumerated 2005 · practices at Oceans Behavioral Hospital of Jackson, LLC.

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

National Provider Identifier

1497757603

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Registry record

Entity type Individual (Type 1)

Name Dr. Sidney A Johnson Jr.

Credential MD

Sex Male

Practice address 2969 Curran Dr N, Jackson, MS, 39216

Phone (601) 200-3070

Enumeration date Jun 1, 2005

Last updated in NPPES Feb 13, 2023

Taxonomy & licenses

2085R0001X Radiation Oncology Physician Allopathic & Osteopathic Physicians · License 10704 (MS) 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
1497757603	Other	MS	NPI
1961809	Medicaid	LA	-
000015534	Medicaid	MS	-
0015534	Medicaid	MS	-

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

Where does Sidney Johnson practice?

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

What is the NPI number for Sidney Johnson?

The National Provider Identifier (NPI) for Sidney Johnson is 1497757603, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-02-13.