Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marlin Sean Ryder, CRNA

Certified Registered Nurse Anesthetist in Huntsville, AL · enumerated 2005 · practices at Critical Care Pediatrics.

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

National Provider Identifier

1013999176

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Registry record

Entity type Individual (Type 1)

Name Marlin Sean Ryder

Credential CRNA

Sex Male

Practice address 911 Big Cove Rd Se, Anesthesia Dept., Huntsville, AL, 35801

Phone (256) 265-8120

Fax (256) 265-8969

Enumeration date Nov 15, 2005

Last updated in NPPES Jul 9, 2007

Taxonomy & licenses

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License R866237 (MS) Secondary

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License 1-082882 (AL) Primary

CRNA · Certified Registered Nurse Anesthetist: An advanced practice nurse specializing in anesthesia care. About the CRNA credential

Other identifiers

Identifier	Type	State	Issuer
00126815	Medicaid	MS	-
51539589	Other	AL	BCBS PTAN

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 specialty is Marlin Ryder?

Marlin Ryder is registered in NPPES with the primary taxonomy of Certified Registered Nurse Anesthetist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-09.