NPI Portal NPI Lookup & Verification

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

Mr. Caryn Welz Ritchie, RN CS MS

Psychiatric/Mental Health Registered Nurse in South Yarmouth, MA · enumerated 2006.

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

National Provider Identifier

1194748780

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Registry record

Entity type Individual (Type 1)
Name Mr. Caryn Welz Ritchie
Credential RN CS MS
Sex Female
Practice address South Yarmouth, MA, 02664
Fax (508) 394-5268
Enumeration date Jul 25, 2006
Last updated in NPPES Sep 3, 2008

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

Taxonomy & licenses

163WP0808X Psychiatric/Mental Health Registered Nurse Nursing Service Providers · License 122471 (MA) Primary

Other identifiers

Identifier Type State Issuer
104395 Other MD MAGELLEN
PN0738 Other MA BLUE CROSS/ BLUE SHIELD

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 Caryn Ritchie?
The National Provider Identifier (NPI) for Caryn Ritchie is 1194748780, a Type 1 (individual) record in the CMS NPPES registry.
Where does Caryn Ritchie practice?
The practice location on file with NPPES is in South Yarmouth, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-09-03.