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

Mark Steven Schillinger, D.C.

Chiropractor in San Rafael, CA · enumerated 2008.

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

National Provider Identifier

1609053156

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Registry record

Entity type Individual (Type 1)

Name Mark Steven Schillinger

Credential D.C.

Sex Male

Practice address San Rafael, CA, 94903

Phone (415) 491-0959

Fax (415) 491-1847

Enumeration date Jan 28, 2008

Last updated in NPPES Sep 10, 2021

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

Taxonomy & licenses

111N00000X Chiropractor Chiropractic Providers · License DC 16234 (CA) Primary

DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders. About the DC credential

Other identifiers

Identifier	Type	State	Issuer
16234	Other	CA	STATE BOARD OF CHIROPRACTIC EXAMINERS

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 the NPI number for Mark Schillinger?

The National Provider Identifier (NPI) for Mark Schillinger is 1609053156, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mark Schillinger practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-09-10.