Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Cynthia A Dreyer, M.D.

Dermatology Physician in Eugene, OR · enumerated 2007.

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

National Provider Identifier

1407038342

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Registry record

Entity type Individual (Type 1)

Name Cynthia A Dreyer

Credential M.D.

Sex Female

Practice address 743 Country Club Rd, Eugene, OR, 97401

Phone (541) 683-0878

Enumeration date Dec 3, 2007

Last updated in NPPES Dec 4, 2017

Taxonomy & licenses

207N00000X Dermatology Physician Allopathic & Osteopathic Physicians · License MD13787 (OR) 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
191759	Medicaid	OR	-

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 Cynthia Dreyer?

The National Provider Identifier (NPI) for Cynthia Dreyer is 1407038342, a Type 1 (individual) record in the CMS NPPES registry.

Where does Cynthia Dreyer practice?

The practice location on file with NPPES is in Eugene, OR. 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 2017-12-04.