Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Christopher E Johnson, MD

Specialist in Memphis, TN · enumerated 2007.

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

National Provider Identifier

1871618637

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Registry record

Entity type Individual (Type 1)

Name Dr. Christopher E Johnson

Credential MD

Sex Male

Practice address 360 E Eh Crump Blvd, Memphis, TN, 38126

Phone (901) 261-2000

Fax (901) 946-9262

Enumeration date Mar 20, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 18399 (TN) 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
3812314	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.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1871618637 active?

Yes, as of the latest NPPES snapshot, NPI 1871618637 is active (record last updated 2007-07-08).

How do I verify Christopher Johnson's NPI record?

Cross-check NPI 1871618637 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.