Rian Mccormack

Rian Mccormack is a Physician Assistant provider (Physician Assistant) practicing in Somerville, MA, registered in the NPPES registry with NPI 1699186312 since 2014.

✓ Active NPI ✓ Valid NPI checksum

NPI	1699186312
Entity type	Individual (Type 1)
Name	Rian Mccormack
Sex	Male
Practice address	33 BOW ST, Somerville, MA, 02143
Phone	6176259992
Fax	6176660662
Enumeration date	2014-05-15
Last updated in NPPES	2014-05-15

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
363A00000X	Physician Assistant	Primary	PA4876	MA

Copy-ready billing details

Provider: Rian Mccormack
NPI: 1699186312
Taxonomy: 363A00000X (Physician Assistant)
Address: 33 BOW ST, Somerville, MA, 02143

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1891709309	David Menon Corporation	Organization	Internal Medicine Physician	Somerville, MA
1487792560	Dr Alan Barron	Organization	Internal Medicine Physician	Somerville, MA

Verify this record

Cross-check NPI 1699186312 against the authoritative CMS record: view Rian Mccormack 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 is the NPI number for Rian Mccormack?

The National Provider Identifier (NPI) for Rian Mccormack is 1699186312, a Type 1 (individual) record in the CMS NPPES registry.

Where does Rian Mccormack practice?

The practice location on file with NPPES is in Somerville, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2014-05-15.