Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Sylvia Marx, P.A-C
Physician Assistant in Folsom, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1841245321
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Registry record
Entity type Individual (Type 1)
Name Sylvia Marx
Credential P.A-C
Sex Female
Practice address 1650 Creekside Dr, Folsom, CA, 95630
Phone (916) 983-7470
Enumeration date May 23, 2006
Last updated in NPPES Mar 7, 2013
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA15836 (CA) 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.
Frequently asked questions
Where does Sylvia Marx practice?
The practice location on file with NPPES is in Folsom, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Sylvia Marx?
The National Provider Identifier (NPI) for Sylvia Marx is 1841245321, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Carlos Perez Internal Medicine Physician · Folsom, CA NPI 1356341606 Barry Young Anesthesiology Physician · Folsom, CA NPI 1902895113 Murali Adusumalli Hospitalist Physician · Folsom, CA NPI 1952387953 Dignity Health General Acute Care Hospital · Folsom, CA NPI 1356389878 Emergency Medical Group of Folsom, Inc Emergency Medicine Physician · Folsom, CA NPI 1881627495 Richard Dunbar Anesthesiology Physician · Folsom, CA NPI 1235155755 Gary Glenesk Anesthesiology Physician · Folsom, CA NPI 1679588602 Folsom Anesthesia Medical Group Inc. Anesthesiology Physician · Folsom, CA NPI 1295749620
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-03-07.