Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mrs. Mary Joanne Vollmer-Sandholm, MSN, PNP

Individual provider Pediatric Nurse Practitioner · NPI 1659575157

Mrs. Mary Joanne Vollmer-Sandholm, MSN, PNP is a Pediatric Nurse Practitioner in Loma Linda, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
PNP — Pediatric Nurse Practitioner
A nurse practitioner specialising in children.

See every abbreviation used in this directory →

Practice location Partly verified

Some contact details are missing from the federal record.

Loma Linda University School Of Nursing 11262 Campus St
Loma Linda, CA 92350-0001
Phone: (909) 558-1000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Nurse Practitioner (primary) Taxonomy 363LP0200X · Licence 533452 (CA)

Record details

NPI number1659575157
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , PNP
Sole proprietorNo
NPI enumeratedJune 11, 2007
Last updated in NPPESJuly 8, 2007

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