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

Randolph Cochrane Seybold, MD

Emergency Medicine Physician in San Marcos, TX · enumerated 2005.

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

National Provider Identifier

1659361954

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Registry record

Entity type Individual (Type 1)
Name Randolph Cochrane Seybold
Credential MD
Sex Male
Practice address San Marcos, TX, 78666
Enumeration date Oct 27, 2005
Last updated in NPPES Mar 26, 2008

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

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License J9803 (TX) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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.

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Frequently asked questions

What is the NPI number for Randolph Seybold?
The National Provider Identifier (NPI) for Randolph Seybold is 1659361954, a Type 1 (individual) record in the CMS NPPES registry.
Where does Randolph Seybold practice?
The practice location on file with NPPES is in San Marcos, TX. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-03-26.