Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Diana C. Darcy, MS CGC

Genetic Counselor (M.S.) in San Jose, CA · enumerated 2010.

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

National Provider Identifier

1952614232

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Registry record

Entity type Individual (Type 1)

Name Ms. Diana C. Darcy

Credential MS CGC

Sex Female

Practice address 751 S Bascom Ave Ste 310, San Jose, CA, 95128

Phone (408) 885-7924

Fax (408) 885-3079

Enumeration date Jul 15, 2010

Last updated in NPPES Oct 19, 2011

Taxonomy & licenses

170300000X Genetic Counselor (M.S.) Other Service Providers Primary

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 Diana Darcy's NPI record?

Cross-check NPI 1952614232 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1952614232 active?

Yes, as of the latest NPPES snapshot, NPI 1952614232 is active (record last updated 2011-10-19).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-10-19.