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

Diethra D Cox, MD

Infectious Disease Physician in Willoughby, OH · enumerated 2006.

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

National Provider Identifier

1790796274

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Registry record

Entity type Individual (Type 1)

Name Diethra D Cox

Credential MD

Sex Female

Practice address Willoughby, OH, 44094

Phone (440) 205-0242

Fax (440) 205-9806

Enumeration date Aug 10, 2006

Last updated in NPPES May 15, 2018

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

Taxonomy & licenses

207RI0200X Infectious Disease Physician Allopathic & Osteopathic Physicians · License 35054360 (OH) 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
0702789	Medicaid	OH	-

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

How do I verify Diethra Cox's NPI record?

Cross-check NPI 1790796274 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1790796274 active?

Yes, as of the latest NPPES snapshot, NPI 1790796274 is active (record last updated 2018-05-15).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-05-15.