Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Sutter Medical Group of the Redwoods

Obstetrics & Gynecology Physician in Santa Rosa, CA · enumerated 2006 · authorized official Linda Rockstroh, Credentialing Specialist.

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

National Provider Identifier

1508927070

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Registry record

Entity type Organization (Type 2)

Legal business name Sutter Medical Group of the Redwoods

Practice address 1111 Sonoma Ave, Suite 316, Santa Rosa, CA, 95405

Phone (707) 575-9167

Fax (707) 575-4819

Enumeration date Dec 12, 2006

Last updated in NPPES Apr 9, 2008

Taxonomy & classification

176B00000X Midwife Other Service Providers Secondary

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Linda Rockstroh

Title Credentialing Specialist

Phone (707) 521-8809

Other identifiers

Identifier	Type	State	Issuer
GR0055422	Medicaid	CA	-

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 is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is Sutter Medical Group of the Redwoods?

Sutter Medical Group of the Redwoods is registered in NPPES as a Obstetrics & Gynecology Physician (its primary provider taxonomy).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-04-09.