Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Sylvia Dolores Magallanes, CNM, RNP, MS

Obstetrics & Gynecology Nurse Practitioner in Fontana, CA · enumerated 2007 · practices at San Marcos Medical Group Inc..

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

National Provider Identifier

1043345945

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Registry record

Entity type Individual (Type 1)

Name Sylvia Dolores Magallanes

Credential CNM, RNP, MS

Sex Female

Practice address 7965 Sierra Ave, Ste E, Fontana, CA, 92336

Phone (909) 356-4459

Fax (909) 355-4261

Enumeration date Feb 22, 2007

Last updated in NPPES Mar 7, 2023

Taxonomy & licenses

363LX0001X Obstetrics & Gynecology Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 301165 (CA) Primary

367A00000X Advanced Practice Midwife Physician Assistants & Advanced Practice Nursing Providers · License 868 (CA) Secondary

CNM · Certified Nurse Midwife: An advanced practice nurse specializing in pregnancy, childbirth, and reproductive care. About the CNM credential

Other identifiers

Identifier	Type	State	Issuer
NP 17858	Other	CA	BRN
NMF 868	Other	CA	BRN
NMW 868	Other	CA	BRN
RN 301165	Other	CA	BRN

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.

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Frequently asked questions

Where does Sylvia Magallanes practice?

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

What is the NPI number for Sylvia Magallanes?

The National Provider Identifier (NPI) for Sylvia Magallanes is 1043345945, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Bernabe Marinduque Obstetrics & Gynecology Physician · Fontana, CA NPI 1467414540 San Marcos Medical Group Inc. Family Medicine Physician · Fontana, CA NPI 1639129372 Monir Katani Family Medicine Physician · Fontana, CA NPI 1760428445 Garry Raley Marriage & Family Therapist · Fontana, CA NPI 1255350310 Sherri Hull Women's Health Nurse Practitioner · Fontana, CA NPI 1992910541 Dampa Shah Family Medicine Physician · Fontana, CA NPI 1699957522 Cherry Thangaraj Family Nurse Practitioner · Fontana, CA NPI 1003584087

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-03-07.