Ms. Mary Catherine Silver, PA

Ms. Mary Catherine Silver is a Physician Assistant provider (Physician Assistant) practicing in Eureka, CA, registered in the NPPES registry with NPI 1740284686 since 2005. The credential PA stands for Physician Assistant. Practices at Covered Bridge Medical and Counseling Services (listed at the same practice address in NPPES).

✓ Active NPI ✓ Valid NPI checksum

NPI	1740284686
Entity type	Individual (Type 1)
Name	Ms. Mary Catherine Silver
Credential	PA
Sex	Female
Practice address	2367 HARRISON AVE, Eureka, CA, 95501
Phone	7074431130
Fax	7074431572
Enumeration date	2005-06-09
Last updated in NPPES	2007-07-08

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
363A00000X	Physician Assistant	Primary	PA11268	CA

PA — Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program. About the PA credential

Copy-ready billing details

Provider: Mary Silver, PA
NPI: 1740284686
Taxonomy: 363A00000X (Physician Assistant)
Address: 2367 HARRISON AVE, Eureka, CA, 95501

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1699896951	Covered Bridge Medical and Counseling Services	Organization	Pediatric Adolescent Medicine Physician	Eureka, CA

Verify this record

Cross-check NPI 1740284686 against the authoritative CMS record: view Ms. Mary Catherine Silver on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

What specialty is Mary Silver?

Mary Silver is registered in NPPES with the primary taxonomy of Physician Assistant. 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.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.